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Class Information
Number: 442
Name: Fabric (woven, knitted, or nonwoven textile or cloth, etc.) >
Description: This is the class for woven, knitted, nonwoven, or felt article claimed as a fabric, having structural integrity resulting from forced interassociation of fibers, filaments, or strands, the forced interassociation resulting from processes such as weaving, knitting, needling hydroentangling, chemical coating or impregnation, autogenous bonding (i.e., heat- and/or pressure-promoted welding or solvent bonding) or felting, but not articles such as paper, fiber-reinforced plastic matrix materials (FRP), or other fiber-reinforced materials wherein fibers are present only as a filler material.










Class Number Class Name No. of Patents
442/59

Coated or impregnated woven, knit, or nonwoven fabric which is not (a) associated with another preformed layer or fiber layer or, (b) with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer

397
442/172

Coated or impregnated inorganic fiber fabric

141
442/179

Coated or impregnated carbon or carbonaceous fiber fabric

158
442/178

Coated or impregnated ceramic fiber fabric

71
442/180

Coated or impregnated glass fiber fabric

430
442/176

Coating or impregnation contains aldehyde or ketone condensation product

31
442/177

Amide-aldehyde condensate

4
442/175

Coating or impregnation contains epoxy polymer or copolymer or polyether

70
442/173

Coating or impregnation contains vinyl polymer or copolymer

56
442/174

Vinyl acetate polymer or copolymer

15
442/152

Coated or impregnated natural fiber fabric (e.g., cotton, wool, silk, linen, etc.)

146
442/153

Coated or impregnated cellulosic fiber fabric

159
442/155

Coating or impregnation contains a vinyl polymer or copolymer

63
442/160

Coating or impregnation contains aldehyde or ketone condensation product

14
442/163

Amide-aldehyde condensate (e.g., modified urea-aldehyde condensate, etc.)

12
442/162

Melamine-aldehyde condensate

5
442/161

Phenol-aldehyde condensate

14
442/154

Coating or impregnation contains an acrylic polymer or copolymer (e.g., polyacrylonitrile, polyacrylic acid, etc.)

66
442/156

Coating or impregnation contains an epoxy polymer or copolymer or polyether

20
442/159

Coating or impregnation contains natural gum, rosin, natural oil, or wax

19
442/158

Coating or impregnation contains polyimide or polyamide

22
442/157

Polymeric coating or impregnation from a silane or siloxane not specified as lubricant or water repellent

46
442/164

Coated or impregnated synthetic organic fiber fabric

447
442/167

Coated or impregnated acrylic fiber fabric

47
442/168

Coated or impregnated polyamide fiber fabric

221
442/169

Aromatic polyamide fiber fabric

114
442/170

Coated or impregnated polyolefin fiber fabric

139
442/171

Polypropylene fiber fabric

117
442/166

Coated or impregnated polyvinyl alcohol fiber fabric

21
442/165

Coated or impregnated regenerated cellulose fiber fabric

68
442/121

Coating or impregnation absorbs chemical material other than water

101
442/122

Chemical material is one used in biological or chemical warfare

19
442/120

Coating or impregnation absorbs sound

22
442/78

Coating or impregnation collects radionuclide or heavy metal

3
442/130

Coating or impregnation contains an optical bleach or brightener or functions as an optical bleach or brightener (e.g., it masks fabric yellowing, etc.)

30
442/63

Coating or impregnation formed in situ (e.g., by interfacial condensation, coagulation, precipitation, etc.)

99
442/123

Coating or impregnation functions biologically (e.g., insect repellent, antiseptic, insecticide, bactericide, etc.)

290
442/124

Inhibits mildew

35
442/125

Insect repellent

29
442/102

Coating or impregnation functions to soften the feel of or improve the "hand" of the fabric

173
442/104

Coating or impregnation improves elasticity, bendability, resiliency, flexibility, or shape retention of the fabric

158
442/107

Coating or impregnation provides crease-resistance or wash and wear characteristics

43
442/105

Improves elasticity

35
442/106

Improves shrink resistance

20
442/109

Coating or impregnation improves snag or pull resistance of the fabric

16
442/93

Coating or impregnation improves soil repellency, soil release, or anti- soil redeposition qualities of fabric

141
442/94

Fluorocarbon containing

79
442/95

Linear polyether group chain containing

18
442/103

Coating or impregnation improves stiffness of the fabric other than specified as a size

69
442/110

Coating or impregnation increases electrical conductivity or anti-static quality

117
442/111

Elemental carbon containing

35
442/112

Linear polyether group chain containing

23
442/113

Nitrogen and phosphorus containing

7
442/115

Nitrogen containing

54
442/114

Phosphorus containing

16
442/116

Sulphur containing

14
442/149

Coating or impregnation intended to function as an adhesive to solid surfaces subsequently associated therewith

327
442/150

Heat-activatable adhesive

115
442/151

Pressure-sensitive adhesive

157
442/97

Coating or impregnation is a lubricant or a surface friction reducing agent other than specified as improving the "hand" of the fabric or increasing the softness thereof

90
442/98

Fluorocarbon containing

27
442/100

Natural oil or wax containing

19
442/99

Organosilicon containing

51
442/101

Coating or impregnation is anti-slip or friction-increasing other than specified as an abrasive

102
442/126

Coating or impregnation is chemically inert or of stated nonreactance

36
442/129

Acid or alkali resistant

20
442/128

Organic solvent resistant (e.g., dry cleaning fluid, etc.)

38
442/127

Oxygen or ozone resistant

15
442/117

Coating or impregnation is electrical insulation-providing, -improving, or -increasing, or conductivity-reducing

113
442/91

Coating or impregnation is oil repellent but not oil or stain release

25
442/92

Fluorocarbon containing

30
442/134

Coating or impregnation is resistant to penetration by solid implements

121
442/135

Ballistic resistant

138
442/86

Coating or impregnation is specified as water proof

147
442/88

Fluorocarbon containing

55
442/90

Natural oil or wax containing

21
442/89

Nitrogen containing

45
442/87

Organosilicon containing

27
442/85

Coating or impregnation is specified as weather proof, water vapor resistant, or moisture resistant

159
442/118

Coating or impregnation is water absorbency-increasing or hydrophilicity-increasing or hydrophilicity-imparting

221
442/119

Polyether group containing

44
442/96

Coating or impregnation provides a fragrance or releases an odor intended to be perceptible to humans

45
442/136

Coating or impregnation provides heat or fire protection

285
442/139

Antimony containing

29
442/140

Boron containing

21
442/137

Coated or impregnated asbestos fabric

7
442/138

Coating or impregnation is specified as an intumescent material

36
442/146

Halogen containing

67
442/147

Nitrogen containing

67
442/141

Phosphorus containing

50
442/145

A phosphorus containing compound and a halogen containing compound

10
442/143

A phosphorus containing compound and a nitrogen containing compound

25
442/144

Phosphorus and halogen containing compound

25
442/142

Phosphorus and nitrogen containing compound

59
442/131

Coating or impregnation provides protection from radiation (e.g., u.v., visible light, i.r., microwave, high energy particle, etc.) or heat retention thru radiation absorption

110
442/133

Radiation absorptive

49
442/132

Radiation reflective

51
442/148

Coating or impregnation provides wear or abrasion resistance

169
442/108

Coating or impregnation specified as a size

64
442/76

Coating or impregnation specified as porous or permeable to a specific substance (e.g., water vapor, air, etc.)

255
442/77

Coating or impregnation is specified as microporous but is not a foam

79
442/79

Coating or impregnation specified as water repellent

138
442/80

Also specified as oil repellent

70
442/82

Fluorocarbon containing

99
442/84

Natural oil or wax containing

21
442/83

Nitrogen containing

31
442/81

Organosilicon containing

61
442/62

Coating produced by extrusion

109
442/60

Fabric composed of a fiber or strand which is of specific structural definition

147
442/61

Impregnation is confined to a plane disposed between both major fabric surfaces which are essentially free of impregnating material

29
442/64

Two or more non-extruded coatings or impregnations

83
442/74

At least one coating or impregnation contains particulate material

67
442/75

At least one coating or impregnation functions to fix pigments or particles on the surface of a coating or impregnation

30
442/71

At least two coatings or impregnations of different chemical composition

148
442/72

At least one coating or impregnation contains particulate material

82
442/73

At least one coating or impregnation functions to fix pigments or particles on the surface of a coating or impregnation

53
442/65

Each major face of the fabric has at least one coating or impregnation

105
442/70

At least one coating or impregnation contains particulate material

51
442/66

At least two coatings or impregnations of different chemical composition

68
442/68

At least one coating or impregnation contains particulate material

57
442/69

At least one coating or impregnation functions to fix pigments or particles on the surface of a coating or impregnation

28
442/67

Different coatings or impregnations on opposite faces of the fabric

78
442/320

Felt fabric

78
442/326

At least three layers

76
442/321

From natural organic fiber (e.g., wool, etc.)

16
442/323

At least three layers

19
442/322

Including particulate material other than fiber

9
442/324

From synthetic organic fiber

92
442/325

Including particulate material other than fiber

22
442/304

Knit fabric (i.e., knit strand or strip material)

175
442/315

Including a foamed layer or component

76
442/316

Including a free metal or alloy constituent

59
442/317

Chemically deposited metal layer (e.g., chemical precipitation or electrochemical deposition or plating, etc.)

17
442/319

Including a nonwoven fabric layer other than paper

108
442/318

Including an additional knit fabric layer

71
442/306

Including an elastic strand

65
442/305

Including parallel strips

22
442/307

Including strand precoated with other than free metal or alloy

32
442/308

Including strand which is of specific structural definition

75
442/309

Cross-sectional configuration of strand material is specified

34
442/310

Strand material formed of individual filaments having different chemical compositions

43
442/312

Knit fabric is characterized by a particular or differential knit pattern other than open knit fabric or a fabric in which the strand denier is specified

103
442/313

Including additional strand inserted within knit fabric

62
442/314

Warp knit insert strand

62
442/311

Strand is a monofilament composed of two or more polymeric materials in physically distinct relationship (e.g., sheath-core, side-by-side, islands-in-sea, fibrils-in-matrix, etc.) or composed of physical blend of chemically different polymeric materials or a physical blend of a polymeric material and a filler material

67
442/327

Nonwoven fabric (i.e., nonwoven strand or fiber material)

405
442/409

Autogenously bonded nonwoven fabric

317
442/411

Containing at least two chemically different strand or fiber materials

148
442/410

Inorganic strand or fiber material only

27
442/415

Containing at least two chemically different strand or fiber materials

307
442/416

Containing polymeric and natural strand or fiber materials

130
442/408

Hydroentangled nonwoven fabric

220
442/370

Including a foamed layer or component

219
442/371

Including a free metal or alloy constituent

16
442/374

Nonwoven fabric is coated, impregnated, or autogenously bonded

149
442/375

Including particulate material other than fiber

42
442/373

Plural fabric layers

123
442/372

Plural foamed layers

39
442/376

Including a free metal or alloy constituent

65
442/377

Metal or metal-coated strand or fiber material

75
442/380

Particulate free metal or alloy constituent

25
442/378

Preformed metallic film or foil or sheet (film or foil or sheet had structural integrity prior to association with the nonwoven fabric)

177
442/379

Vapor, chemical, or spray deposited metal layer

40
442/412

Including a paper layer

100
442/413

Including a wood containing layer

72
442/381

Including an additional nonwoven fabric

494
442/382

Additional nonwoven fabric is a spun-bonded fabric

232
442/384

Hydroentangled

61
442/383

Needled

70
442/386

Including a layer derived from a water-settable material (e.g., cement, gypsum, etc.)

44
442/385

Including a wood fiber containing layer

68
442/393

Including particulate material other than fiber

101
442/387

Mechanically interengaged by needling or impingement of fluid (e.g., gas or liquid stream, etc.)

82
442/388

Needled

149
442/391

Multiple nonwoven fabric layers composed of the same inorganic strand or fiber material

161
442/392

Multiple nonwoven fabric layers composed of the same polymeric strand or fiber material

209
442/389

Separate nonwoven fabric layers comprise chemically different strand or fiber material

240
442/390

At least one layer of inorganic strand or fiber material and at least one layer of synthetic polymeric strand or fiber material

37
442/366

Including parallel strand or fiber material within the nonwoven fabric

107
442/367

Parallel strand or fiber material is glass

47
442/368

Parallel strand or fiber material is inorganic (e.g., rock wool, mineral wool, etc.)

14
442/369

Parallel strand or fiber material is naturally occurring (e.g., cotton, wool, etc.)

10
442/417

Including particulate material other than strand or fiber material

372
442/330

Including strand or fiber material precoated with other than free metal or alloy

29
442/331

Strand or fiber material is glass

64
442/332

Strand or fiber material is inorganic

22
442/333

Strand or fiber material is synthetic polymer

93
442/361

Including strand or fiber material which is a monofilament composed of two or more polymeric materials in physically distinct relationship (e.g., sheath-core, side-by-side, islands-in-sea, fibrils-in-matrix, etc.) or composed of physical blend of chemically different polymeric materials or a physical blend of a polymeric material and a filler material

368
442/363

Islands-in-sea multicomponent strand or fiber material

92
442/364

Sheath-core multicomponent strand or fiber material

288
442/362

Side-by-side multicomponent strand or fiber material

138
442/365

Strand or fiber material is a blend of polymeric material and a filler material

57
442/334

Including strand or fiber material which is of specific structural definition

224
442/335

Cross-sectional configuration of strand or fiber material is specified

64
442/337

Cross-sectional configuration of strand or fiber material is other than circular

75
442/336

Cross-sectional configuration varies longitudinally along strand or fiber material

40
442/338

Hollow strand or fiber material

50
442/339

Microcellular strand or fiber material

9
442/352

Strand or fiber material is specified as non-linear (e.g., crimped, coiled, etc.)

94
442/358

A nonwoven fabric having a layer comprising non-linear synthetic polymeric strand or fiber material and a separate and distinct layer comprising strand or fiber material which is not specified as non-linear

10
442/356

A single nonwoven layer comprising non-linear synthetic polymeric strand or fiber material and strand or fiber material not specified as non-linear

18
442/357

Synthetic polymeric strand or fiber material is of staple length

22
442/354

Carbon or carbonaceous strand or fiber material

24
442/353

Composite strand or fiber material

49
442/355

Glass strand or fiber material

21
442/359

Synthetic polymeric strand or fiber material

33
442/360

Synthetic polymeric strand or fiber material is of staple length

24
442/340

Strand or fiber material specified as having micro dimensions (i.e., microfiber)

188
442/350

Autogenously bonded

46
442/345

Including another chemically different microfiber in a separate layer

34
442/346

Including other strand or fiber material in a different layer not specified as having micro dimensions

76
442/344

Including other strand or fiber material in the same layer not specified as having micro dimensions

78
442/347

Microfiber is a composite fiber

46
442/349

Microfiber is carbon or carbonaceous

22
442/348

Microfiber is glass

37
442/351

Microfiber is synthetic polymer

153
442/341

Strand or fiber material is blended with another chemically different microfiber in the same layer

61
442/343

Blend of chemically different inorganic microfibers

10
442/342

Blend of synthetic polymeric and inorganic microfibers

17
442/414

Including strand or fiber material which is stated to have specific attributes (e.g., heat or fire resistance, chemical or solvent resistance, high absorption for aqueous compositions, water solubility, heat shrinkability, etc.)

451
442/400

Melt-blown nonwoven fabric

349
442/402

Needled nonwoven fabric

196
442/403

Containing at least two chemically different strand or fiber materials

53
442/404

Containing inorganic and polymeric strand or fiber materials

11
442/406

Containing inorganic strand or fiber material

20
442/405

Containing polymeric and natural strand or fiber materials

33
442/407

Containing polymeric strand or fiber material

66
442/328

Nonwoven fabric has an elastic quality

208
442/329

Nonwoven fabric comprises an elastic strand or fiber material

167
442/394

Nonwoven fabric with a preformed polymeric film or sheet

546
442/395

Ester condensation polymer sheet or film (e.g., polyethylene terephthalate, etc.)

103
442/397

Fluorinated olefin polymer or copolymer sheet or film (e.g., teflonr, etc.)

53
442/399

Natural or synthetic rubber sheet or film

81
442/398

Olefin polymer or copolymer sheet or film (e.g., polypropylene, polyethylene, ethylene-butylene copolymer, etc.)

285
442/396

Vinyl polymer or copolymer sheet or film (e.g., polyvinyl chloride, polyvinylidene chloride, polyvinyl acetate, etc.)

99
442/401

Spun-bonded nonwoven fabric

427
442/1

Scrim (e.g., open net or mesh, gauze, loose or open weave or knit, etc.)

96
442/50

Nonwoven scrim

138
442/58

Coated or impregnated

149
442/51

Comprising a composite fiber

21
442/56

Including a foam layer

37
442/57

Including a nonwoven fabric which is not a scrim

67
442/54

Inorganic fiber-containing scrim

34
442/55

Including a foam layer

19
442/52

Metal or metal-coated fiber-containing scrim

33
442/53

Including a paper layer

4
442/2

Woven scrim

120
442/43

Coated or impregnated

168
442/48

Bitumen coating or impregnation

16
442/44

Including particulate material other than fiber in coating or impregnation

48
442/46

Synthetic polymeric fiber

72
442/47

Nylon fiber

18
442/45

Three or more layers

68
442/4

Comprising a composite fiber

26
442/5

Comprising at least two chemically different fibers

32
442/30

Including a foam layer

64
442/31

Including a free metal or alloy constituent

26
442/42

Including a layer derived from a water-settable material (e.g., cement, gypsum, etc.)

29
442/3

Including a multifilament fiber precoated with other than free metal or alloy prior to weaving

24
442/37

Including a natural or synthetic rubber layer

28
442/35

Including a nonwoven fabric which is not a scrim

134
442/36

Two or more nonwoven layers

56
442/33

Including a paper layer

18
442/34

Two or more paper layers

7
442/38

Including a preformed film, foil, or sheet

96
442/39

Cellulose acetate film or sheet

2
442/40

Fluorinated polyolefin film or sheet

20
442/41

Polyolefin film or sheet

46
442/32

Including an additional scrim layer

44
442/20

Inorganic fiber-containing scrim

59
442/21

Including a carbon or carbonized fiber

26
442/29

Including a coating or impregnation containing particulate material other than fiber

16
442/22

Including a foam layer

17
442/23

Including a metal layer

20
442/28

Including a mica layer

3
442/26

Including a nonwoven fabric which is not a scrim

23
442/27

Including a preformed film, foil, or sheet

16
442/25

Including a woven fabric which is not a scrim

6
442/24

Including an additional scrim layer

17
442/6

Metal or metal-coated fiber-containing scrim

78
442/18

Including a ceramic or glass layer

21
442/19

Including a coating or impregnation of synthetic polymeric material

55
442/9

Including a foam layer

15
442/17

Including a layer derived from a water-settable material (e.g., cement, gypsum, etc.)

4
442/15

Including a natural or synthetic rubber layer

15
442/13

Including a nonwoven fabric which is not a scrim

19
442/14

Two or more nonwoven fabric layers

5
442/12

Including a paper layer

3
442/16

Including a preformed film, foil, or sheet

38
442/10

Including a woven fabric which is not a scrim

14
442/11

Including a nonwoven fabric which is not a scrim

5
442/7

Including an additional free metal or alloy constituent

29
442/8

Particulate free metal or alloy constituent

11
442/49

Synthetic polymeric fiber

101
 

Web or sheet containing structurally defined element or component (428/221)

 
442/181

Woven fabric (i.e., woven strand or strip material)

200
442/221

Including a foamed layer or component

110
442/222

Including a free metal or alloy constituent

26
442/224

Plural fabric layers

67
442/225

Including a nonwoven fabric layer

42
442/223

Plural foam layers

32
442/226

Woven fabric is coated, impregnated, or autogenously bonded

89
442/227

Coating or impregnation includes particulate material other than fiber

34
442/228

Including a free metal or alloy constituent

79
442/231

Chemically deposited metal layer (e.g., chemical precipitation or electrochemical deposition or plating, etc.)

33
442/229

Metal or metal-coated strand

108
442/238

Plural fabric layers

26
442/232

Preformed metallic film or foil or sheet (film or foil or sheet had structural integrity prior to association with the woven fabric)

90
442/236

Including a preformed synthetic polymeric film or sheet (i.e., film or sheet having structural integrity prior to association with the woven fabric)

38
442/237

Including particulate material other than fiber

21
442/234

Plural fabric layers

58
442/235

Including a nonwoven fabric layer

34
442/233

Plural metallic films or foils or sheets

42
442/230

Vapor or sputter deposited metal layer

29
442/295

Including a paper or wood pulp layer

27
442/298

Including a bituminous layer

1
442/300

Including a natural or synthetic rubber layer

3
442/299

Including an outermost adhesive layer

4
442/296

Mica paper layer

11
442/297

Plural paper or wood pulp layers

3
442/185

Including a strip or ribbon

47
442/186

Woven fabric comprises strips or ribbons only

63
442/187

Including strand precoated with other than free metal or alloy

114
442/188

Multiple coatings

12
442/189

Including strand which is of specific structural definition

202
442/192

Cross-sectional configuration of strand material is specified

46
442/195

Cross-sectional configuration of the strand material is other than circular

68
442/196

Cross-sectional configuration is multi-lobal

24
442/193

Cross-sectional configuration varies longitudinaly along the strand

19
442/194

Hollow strand material

32
442/197

Strand material formed of individual filaments having different chemical compositions

66
442/198

Including inorganic filament

30
442/190

Strand material is core-spun (not sheath-core bicomponent strand)

30
442/191

Core is synthetic polymeric material

31
442/301

Including strand which is stated to have specific attributes (e.g., heat or fire resistance, chemical or solvent resistance, high absorption for aqueous composition, water solubility, heat shrinkability, etc.)

227
442/303

Strand is heat shrinkable

14
442/302

Strand is other than glass and is heat or fire resistant

70
442/199

Strand material is composed of two or more polymeric materials in physically distinct relationship (e.g., sheath-core, side-by-side, islands-in-sea, fibrils-in-matrix, etc.) or composed of physical blend of chemically different polymeric materials or a physical blend of a polymeric material and a filler material

141
442/201

Islands-in-sea multicomponent strand material

24
442/200

Sheath-core multicomponent strand material

81
442/202

Strand material is a blend of polymeric material and a filler material

26
442/182

Woven fabric has an elastic quality

65
442/183

Including a preformed layer other than the elastic woven fabric (e.g., fabric or film or foil or sheet layer, etc.)

58
442/184

Including elastic strand or strip

62
442/268

Woven fabric including a nonwoven fabric layer other than paper

130
442/277

Coated, impregnated, or autogenously bonded

44
442/282

Coating or impregnation contains bituminous material

7
442/280

Coating or impregnation contains natural or synthetic rubber

9
442/281

Coating or impregnation contains synthetic polymeric material

83
442/279

Coating or impregnation is derived from a water-settable material (e.g., cement, gypsum, etc.)

9
442/283

Four or more layers

20
442/284

Including particulate material other than fiber

9
442/285

Including particulate material other than fiber

11
442/278

Plural nonwoven fabric layers

24
442/276

Hydroentangled

13
442/270

Needled

111
442/275

Coated, impregnated, or autogenously bonded

39
442/271

Including an additional nonwoven fabric

57
442/272

Additional nonwoven fabric comprises chemically different strand material than the first nonwoven fabric

11
442/273

Including inorganic strand material

5
442/274

Nonwoven fabric layer comprises at least two chemically different fibers

16
442/269

Nonwoven fabric layer comprises parallel arrays of strand material

26
442/239

Woven fabric including an additional woven fabric layer

154
442/240

Mechanically needled or hydroentangled

37
442/242

Coated, impregnated, or autogenously bonded

29
442/241

Four or more layers

19
442/255

Three or more distinct layers

62
442/262

At least one layer comprises ceramic or glass material in other than particulate form

15
442/259

At least one layer comprises paper

9
442/258

At least one layer contains bituminous material (e.g., tar, pitch, asphalt, etc.)

4
442/260

At least one layer contains natural or synthetic rubber

31
442/257

At least one layer contains wood or cork

4
442/261

At least one layer is a preformed synthetic polymeric film or sheet

59
442/256

At least one layer is derived from water-settable material (e.g., cement, gypsum, etc.)

19
442/263

Composite consisting of at least two woven fabrics bonded by an interposed adhesive layer (but not two woven fabrics bonded together by an impregnation which penetrates through the thickness of at least one of the woven fabric layers)

54
442/265

Fabric layer contains carbon or carbonaceous strand material

14
442/266

Fabric layer contains glass strand material

17
442/264

Fabric layer contains natural strand material

5
442/267

Including particulate material other than fiber

23
442/246

Three or more fabric layers

100
442/247

One of which is a nonwoven fabric layer

76
442/248

Woven fabric layers impregnated with a blend of thermosetting and thermoplastic resins

14
442/250

Woven fabric layers impregnated with a natural or synthetic rubber

20
442/254

Woven fabric layers impregnated with a thermoplastic resin (e.g., vinyl polymer, etc.)

38
442/251

Woven fabric layers impregnated with a thermosetting resin

56
442/253

Epoxy resin

40
442/252

Phenolic resin

24
442/249

Woven fabric layers impregnated with an organosilicon resin

11
442/243

Woven fabric layers comprise chemically different strand material

34
442/244

Three or more fabric layers

44
442/245

One of which is a nonwoven fabric layer

19
442/203

Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified

254
442/218

Coated, impregnated, or autogenous bonded

77
442/219

Woven fabric contains inorganic strand material

39
442/220

Woven fabric contains synthetic polymeric strand material

68
442/205

Three-dimensional weave (e.g., x-y-z planes, multi-planar warps and/or wefts, etc.)

158
442/206

Multi-planar warp layers

93
442/207

Multi-planar weft layers

69
442/204

Triaxially woven fabric

33
442/217

Warp and weft are identical and contain at least two chemically different strand materials

44
442/208

Warp differs from weft

155
442/209

Materials differ

66
442/210

Including inorganic strand material

35
442/211

Including natural strand material (e.g., cotton, wool, etc.)

17
442/212

Including synthetic polymeric strand material

57
442/213

Including synthetic polymeric strand material

55
442/214

Including natural strand material

44
442/215

Including polyamide strand material

41
442/216

Including polyester strand material

44
442/286

Woven fabric with a preformed polymeric film or sheet

204
442/291

Amide condensation polymer sheet or film (e.g., nylon 6, etc.)

24
442/287

Ester condensation polymer sheet or film (e.g., polyethylene terephthalate, etc.)

57
442/289

Fluorinated olefin polymer or copolymer sheet or film (e.g., teflon™, etc.)

62
442/294

Including particulate material other than fiber

31
442/293

Natural or synthetic rubber sheet or film

48
442/290

Olefin polymer or copolymer sheet or film (e.g., polypropylene, polyethylene, ethylene-butylene copolymer, etc.)

94
442/292

Polyimide sheet or film

13
442/288

Vinyl polymer or copolymer sheet or film (e.g., polyvinyl chloride, polyvinylidene chloride, polyvinyl acetate, etc.)

62
 
 
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