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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

276
442/172

Coated or impregnated inorganic fiber fabric

112
442/179

Coated or impregnated carbon or carbonaceous fiber fabric

142
442/178

Coated or impregnated ceramic fiber fabric

64
442/180

Coated or impregnated glass fiber fabric

352
442/176

Coating or impregnation contains aldehyde or ketone condensation product

30
442/177

Amide-aldehyde condensate

3
442/175

Coating or impregnation contains epoxy polymer or copolymer or polyether

66
442/173

Coating or impregnation contains vinyl polymer or copolymer

48
442/174

Vinyl acetate polymer or copolymer

12
442/152

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

123
442/153

Coated or impregnated cellulosic fiber fabric

132
442/155

Coating or impregnation contains a vinyl polymer or copolymer

56
442/160

Coating or impregnation contains aldehyde or ketone condensation product

13
442/163

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

9
442/162

Melamine-aldehyde condensate

4
442/161

Phenol-aldehyde condensate

12
442/154

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

59
442/156

Coating or impregnation contains an epoxy polymer or copolymer or polyether

14
442/159

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

17
442/158

Coating or impregnation contains polyimide or polyamide

16
442/157

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

41
442/164

Coated or impregnated synthetic organic fiber fabric

380
442/167

Coated or impregnated acrylic fiber fabric

44
442/168

Coated or impregnated polyamide fiber fabric

199
442/169

Aromatic polyamide fiber fabric

105
442/170

Coated or impregnated polyolefin fiber fabric

122
442/171

Polypropylene fiber fabric

105
442/166

Coated or impregnated polyvinyl alcohol fiber fabric

19
442/165

Coated or impregnated regenerated cellulose fiber fabric

65
442/121

Coating or impregnation absorbs chemical material other than water

81
442/122

Chemical material is one used in biological or chemical warfare

16
442/120

Coating or impregnation absorbs sound

22
442/78

Coating or impregnation collects radionuclide or heavy metal

2
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.)

28
442/63

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

84
442/123

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

216
442/124

Inhibits mildew

27
442/125

Insect repellent

26
442/102

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

166
442/104

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

141
442/107

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

42
442/105

Improves elasticity

29
442/106

Improves shrink resistance

19
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

121
442/94

Fluorocarbon containing

70
442/95

Linear polyether group chain containing

17
442/103

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

63
442/110

Coating or impregnation increases electrical conductivity or anti-static quality

95
442/111

Elemental carbon containing

29
442/112

Linear polyether group chain containing

22
442/113

Nitrogen and phosphorus containing

7
442/115

Nitrogen containing

49
442/114

Phosphorus containing

14
442/116

Sulphur containing

12
442/149

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

280
442/150

Heat-activatable adhesive

104
442/151

Pressure-sensitive adhesive

142
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

73
442/98

Fluorocarbon containing

23
442/100

Natural oil or wax containing

16
442/99

Organosilicon containing

38
442/101

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

92
442/126

Coating or impregnation is chemically inert or of stated nonreactance

35
442/129

Acid or alkali resistant

18
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

97
442/91

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

19
442/92

Fluorocarbon containing

27
442/134

Coating or impregnation is resistant to penetration by solid implements

81
442/135

Ballistic resistant

76
442/86

Coating or impregnation is specified as water proof

114
442/88

Fluorocarbon containing

43
442/90

Natural oil or wax containing

20
442/89

Nitrogen containing

43
442/87

Organosilicon containing

24
442/85

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

125
442/118

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

199
442/119

Polyether group containing

40
442/96

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

42
442/136

Coating or impregnation provides heat or fire protection

222
442/139

Antimony containing

29
442/140

Boron containing

18
442/137

Coated or impregnated asbestos fabric

6
442/138

Coating or impregnation is specified as an intumescent material

28
442/146

Halogen containing

65
442/147

Nitrogen containing

61
442/141

Phosphorus containing

41
442/145

A phosphorus containing compound and a halogen containing compound

10
442/143

A phosphorus containing compound and a nitrogen containing compound

20
442/144

Phosphorus and halogen containing compound

25
442/142

Phosphorus and nitrogen containing compound

57
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

83
442/133

Radiation absorptive

43
442/132

Radiation reflective

42
442/148

Coating or impregnation provides wear or abrasion resistance

147
442/108

Coating or impregnation specified as a size

59
442/76

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

213
442/77

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

61
442/79

Coating or impregnation specified as water repellent

113
442/80

Also specified as oil repellent

60
442/82

Fluorocarbon containing

89
442/84

Natural oil or wax containing

21
442/83

Nitrogen containing

26
442/81

Organosilicon containing

55
442/62

Coating produced by extrusion

102
442/60

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

136
442/61

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

25
442/64

Two or more non-extruded coatings or impregnations

58
442/74

At least one coating or impregnation contains particulate material

51
442/75

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

23
442/71

At least two coatings or impregnations of different chemical composition

134
442/72

At least one coating or impregnation contains particulate material

69
442/73

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

49
442/65

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

90
442/70

At least one coating or impregnation contains particulate material

38
442/66

At least two coatings or impregnations of different chemical composition

54
442/68

At least one coating or impregnation contains particulate material

47
442/69

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

25
442/67

Different coatings or impregnations on opposite faces of the fabric

67
442/320

Felt fabric

75
442/326

At least three layers

73
442/321

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

16
442/323

At least three layers

18
442/322

Including particulate material other than fiber

9
442/324

From synthetic organic fiber

88
442/325

Including particulate material other than fiber

21
442/304

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

151
442/315

Including a foamed layer or component

70
442/316

Including a free metal or alloy constituent

57
442/317

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

16
442/319

Including a nonwoven fabric layer other than paper

97
442/318

Including an additional knit fabric layer

60
442/306

Including an elastic strand

47
442/305

Including parallel strips

20
442/307

Including strand precoated with other than free metal or alloy

30
442/308

Including strand which is of specific structural definition

63
442/309

Cross-sectional configuration of strand material is specified

30
442/310

Strand material formed of individual filaments having different chemical compositions

32
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

81
442/313

Including additional strand inserted within knit fabric

58
442/314

Warp knit insert strand

56
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

54
442/327

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

305
442/409

Autogenously bonded nonwoven fabric

277
442/411

Containing at least two chemically different strand or fiber materials

127
442/410

Inorganic strand or fiber material only

24
442/415

Containing at least two chemically different strand or fiber materials

246
442/416

Containing polymeric and natural strand or fiber materials

104
442/408

Hydroentangled nonwoven fabric

179
442/370

Including a foamed layer or component

201
442/371

Including a free metal or alloy constituent

15
442/374

Nonwoven fabric is coated, impregnated, or autogenously bonded

139
442/375

Including particulate material other than fiber

41
442/373

Plural fabric layers

105
442/372

Plural foamed layers

35
442/376

Including a free metal or alloy constituent

56
442/377

Metal or metal-coated strand or fiber material

67
442/380

Particulate free metal or alloy constituent

23
442/378

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

161
442/379

Vapor, chemical, or spray deposited metal layer

36
442/412

Including a paper layer

87
442/413

Including a wood containing layer

64
442/381

Including an additional nonwoven fabric

366
442/382

Additional nonwoven fabric is a spun-bonded fabric

201
442/384

Hydroentangled

49
442/383

Needled

62
442/386

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

25
442/385

Including a wood fiber containing layer

57
442/393

Including particulate material other than fiber

95
442/387

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

65
442/388

Needled

139
442/391

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

144
442/392

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

189
442/389

Separate nonwoven fabric layers comprise chemically different strand or fiber material

199
442/390

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

29
442/366

Including parallel strand or fiber material within the nonwoven fabric

85
442/367

Parallel strand or fiber material is glass

41
442/368

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

12
442/369

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

9
442/417

Including particulate material other than strand or fiber material

325
442/330

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

26
442/331

Strand or fiber material is glass

55
442/332

Strand or fiber material is inorganic

19
442/333

Strand or fiber material is synthetic polymer

79
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

271
442/363

Islands-in-sea multicomponent strand or fiber material

60
442/364

Sheath-core multicomponent strand or fiber material

232
442/362

Side-by-side multicomponent strand or fiber material

107
442/365

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

50
442/334

Including strand or fiber material which is of specific structural definition

181
442/335

Cross-sectional configuration of strand or fiber material is specified

40
442/337

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

58
442/336

Cross-sectional configuration varies longitudinally along strand or fiber material

36
442/338

Hollow strand or fiber material

47
442/339

Microcellular strand or fiber material

7
442/352

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

82
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

9
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

17
442/357

Synthetic polymeric strand or fiber material is of staple length

19
442/354

Carbon or carbonaceous strand or fiber material

21
442/353

Composite strand or fiber material

42
442/355

Glass strand or fiber material

18
442/359

Synthetic polymeric strand or fiber material

31
442/360

Synthetic polymeric strand or fiber material is of staple length

20
442/340

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

136
442/350

Autogenously bonded

44
442/345

Including another chemically different microfiber in a separate layer

30
442/346

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

70
442/344

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

68
442/347

Microfiber is a composite fiber

42
442/349

Microfiber is carbon or carbonaceous

20
442/348

Microfiber is glass

27
442/351

Microfiber is synthetic polymer

131
442/341

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

52
442/343

Blend of chemically different inorganic microfibers

9
442/342

Blend of synthetic polymeric and inorganic microfibers

15
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.)

376
442/400

Melt-blown nonwoven fabric

285
442/402

Needled nonwoven fabric

151
442/403

Containing at least two chemically different strand or fiber materials

38
442/404

Containing inorganic and polymeric strand or fiber materials

9
442/406

Containing inorganic strand or fiber material

19
442/405

Containing polymeric and natural strand or fiber materials

23
442/407

Containing polymeric strand or fiber material

52
442/328

Nonwoven fabric has an elastic quality

146
442/329

Nonwoven fabric comprises an elastic strand or fiber material

120
442/394

Nonwoven fabric with a preformed polymeric film or sheet

447
442/395

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

93
442/397

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

45
442/399

Natural or synthetic rubber sheet or film

65
442/398

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

235
442/396

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

91
442/401

Spun-bonded nonwoven fabric

337
442/1

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

83
442/50

Nonwoven scrim

118
442/58

Coated or impregnated

119
442/51

Comprising a composite fiber

15
442/56

Including a foam layer

34
442/57

Including a nonwoven fabric which is not a scrim

62
442/54

Inorganic fiber-containing scrim

28
442/55

Including a foam layer

18
442/52

Metal or metal-coated fiber-containing scrim

26
442/53

Including a paper layer

2
442/2

Woven scrim

88
442/43

Coated or impregnated

141
442/48

Bitumen coating or impregnation

12
442/44

Including particulate material other than fiber in coating or impregnation

41
442/46

Synthetic polymeric fiber

62
442/47

Nylon fiber

18
442/45

Three or more layers

56
442/4

Comprising a composite fiber

23
442/5

Comprising at least two chemically different fibers

27
442/30

Including a foam layer

61
442/31

Including a free metal or alloy constituent

25
442/42

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

20
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

21
442/35

Including a nonwoven fabric which is not a scrim

120
442/36

Two or more nonwoven layers

50
442/33

Including a paper layer

14
442/34

Two or more paper layers

5
442/38

Including a preformed film, foil, or sheet

84
442/39

Cellulose acetate film or sheet

2
442/40

Fluorinated polyolefin film or sheet

19
442/41

Polyolefin film or sheet

42
442/32

Including an additional scrim layer

36
442/20

Inorganic fiber-containing scrim

43
442/21

Including a carbon or carbonized fiber

22
442/29

Including a coating or impregnation containing particulate material other than fiber

12
442/22

Including a foam layer

13
442/23

Including a metal layer

14
442/28

Including a mica layer

2
442/26

Including a nonwoven fabric which is not a scrim

21
442/27

Including a preformed film, foil, or sheet

12
442/25

Including a woven fabric which is not a scrim

6
442/24

Including an additional scrim layer

13
442/6

Metal or metal-coated fiber-containing scrim

68
442/18

Including a ceramic or glass layer

21
442/19

Including a coating or impregnation of synthetic polymeric material

51
442/9

Including a foam layer

14
442/17

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

3
442/15

Including a natural or synthetic rubber layer

11
442/13

Including a nonwoven fabric which is not a scrim

19
442/14

Two or more nonwoven fabric layers

4
442/12

Including a paper layer

3
442/16

Including a preformed film, foil, or sheet

37
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

27
442/8

Particulate free metal or alloy constituent

10
442/49

Synthetic polymeric fiber

80
 

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

 
442/181

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

153
442/221

Including a foamed layer or component

100
442/222

Including a free metal or alloy constituent

25
442/224

Plural fabric layers

57
442/225

Including a nonwoven fabric layer

38
442/223

Plural foam layers

29
442/226

Woven fabric is coated, impregnated, or autogenously bonded

84
442/227

Coating or impregnation includes particulate material other than fiber

32
442/228

Including a free metal or alloy constituent

61
442/231

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

31
442/229

Metal or metal-coated strand

86
442/238

Plural fabric layers

21
442/232

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

82
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)

32
442/237

Including particulate material other than fiber

19
442/234

Plural fabric layers

51
442/235

Including a nonwoven fabric layer

30
442/233

Plural metallic films or foils or sheets

36
442/230

Vapor or sputter deposited metal layer

24
442/295

Including a paper or wood pulp layer

22
442/298

Including a bituminous layer

1
442/300

Including a natural or synthetic rubber layer

2
442/299

Including an outermost adhesive layer

3
442/296

Mica paper layer

9
442/297

Plural paper or wood pulp layers

3
442/185

Including a strip or ribbon

39
442/186

Woven fabric comprises strips or ribbons only

57
442/187

Including strand precoated with other than free metal or alloy

110
442/188

Multiple coatings

11
442/189

Including strand which is of specific structural definition

170
442/192

Cross-sectional configuration of strand material is specified

40
442/195

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

60
442/196

Cross-sectional configuration is multi-lobal

19
442/193

Cross-sectional configuration varies longitudinaly along the strand

19
442/194

Hollow strand material

29
442/197

Strand material formed of individual filaments having different chemical compositions

59
442/198

Including inorganic filament

27
442/190

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

25
442/191

Core is synthetic polymeric material

30
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.)

184
442/303

Strand is heat shrinkable

10
442/302

Strand is other than glass and is heat or fire resistant

57
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

113
442/201

Islands-in-sea multicomponent strand material

19
442/200

Sheath-core multicomponent strand material

68
442/202

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

19
442/182

Woven fabric has an elastic quality

45
442/183

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

49
442/184

Including elastic strand or strip

48
442/268

Woven fabric including a nonwoven fabric layer other than paper

98
442/277

Coated, impregnated, or autogenously bonded

34
442/282

Coating or impregnation contains bituminous material

6
442/280

Coating or impregnation contains natural or synthetic rubber

5
442/281

Coating or impregnation contains synthetic polymeric material

72
442/279

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

5
442/283

Four or more layers

15
442/284

Including particulate material other than fiber

8
442/285

Including particulate material other than fiber

11
442/278

Plural nonwoven fabric layers

20
442/276

Hydroentangled

12
442/270

Needled

100
442/275

Coated, impregnated, or autogenously bonded

32
442/271

Including an additional nonwoven fabric

49
442/272

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

9
442/273

Including inorganic strand material

5
442/274

Nonwoven fabric layer comprises at least two chemically different fibers

14
442/269

Nonwoven fabric layer comprises parallel arrays of strand material

18
442/239

Woven fabric including an additional woven fabric layer

117
442/240

Mechanically needled or hydroentangled

37
442/242

Coated, impregnated, or autogenously bonded

27
442/241

Four or more layers

17
442/255

Three or more distinct layers

52
442/262

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

14
442/259

At least one layer comprises paper

9
442/258

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

3
442/260

At least one layer contains natural or synthetic rubber

29
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

57
442/256

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

14
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)

52
442/265

Fabric layer contains carbon or carbonaceous strand material

13
442/266

Fabric layer contains glass strand material

16
442/264

Fabric layer contains natural strand material

5
442/267

Including particulate material other than fiber

21
442/246

Three or more fabric layers

84
442/247

One of which is a nonwoven fabric layer

66
442/248

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

13
442/250

Woven fabric layers impregnated with a natural or synthetic rubber

18
442/254

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

33
442/251

Woven fabric layers impregnated with a thermosetting resin

48
442/253

Epoxy resin

37
442/252

Phenolic resin

22
442/249

Woven fabric layers impregnated with an organosilicon resin

11
442/243

Woven fabric layers comprise chemically different strand material

26
442/244

Three or more fabric layers

41
442/245

One of which is a nonwoven fabric layer

17
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

207
442/218

Coated, impregnated, or autogenous bonded

61
442/219

Woven fabric contains inorganic strand material

36
442/220

Woven fabric contains synthetic polymeric strand material

62
442/205

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

119
442/206

Multi-planar warp layers

77
442/207

Multi-planar weft layers

53
442/204

Triaxially woven fabric

25
442/217

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

35
442/208

Warp differs from weft

134
442/209

Materials differ

55
442/210

Including inorganic strand material

31
442/211

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

14
442/212

Including synthetic polymeric strand material

55
442/213

Including synthetic polymeric strand material

49
442/214

Including natural strand material

43
442/215

Including polyamide strand material

36
442/216

Including polyester strand material

41
442/286

Woven fabric with a preformed polymeric film or sheet

167
442/291

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

23
442/287

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

55
442/289

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

55
442/294

Including particulate material other than fiber

27
442/293

Natural or synthetic rubber sheet or film

44
442/290

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

81
442/292

Polyimide sheet or film

11
442/288

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

56
 
 
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