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Class Information
Number: 422
Name: Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing >
Description: This is a generic class for (1) processes of disinfecting, deodorizing, preserving or sterilizing and (2) apparatus for (a) carrying out chemical reactions, (b) preparing or treating chemical compounds or compositions even though only a physical reaction is discernible, (c) performing an analysis which involves either a chemical reaction or a physical reaction not elsewhere provided, for and (d) carrying out the above processes not elsewhere provided for.










Class Number Class Name No. of Patents
422/50

Analyzer, structured indicator, or manipulative laboratory device

1776
422/62

Automatic analytical monitor and control of industrial process

812
422/51

Calorimeter

135
422/52

Chemiluminescent

488
422/53

Corrosion tester

154
422/54

Flame ionization detector

105
422/83

Means for analyzing gas sample

994
422/98

Analysis based on electrical measurement

927
422/84

Breath tester

249
422/85

Based on color change

71
422/94

Combustible gas detector

381
422/95

With thermoelectric detector

146
422/96

Wheatstone bridge

103
422/97

With specific coating on bridge element

101
422/93

Including means dividing sample stream into plural parallel segments having diverse treating means and the analytical result compared or combined

161
422/88

Including means for adsorbing or absorbing gas into or onto liquid or solid media

638
422/89

Gas chromatography

340
422/90

With conductiometric detector

282
422/91

With photometric detector

221
422/92

With volumetric detector

26
422/86

Including means reacting gas with color indicator

282
422/87

Strip indicator

135
422/68.1

Means for analyzing liquid or solid sample

3604
422/81

Automated system with sample fluid pressure transport means

923
422/82

And means segmenting fluid material

370
422/74

Dairy tester

29
422/72

Including centrifuge

699
422/78

Including means for pyrolysis, combustion, or oxidation

350
422/80

And means directly analyzing evolved gas

303
422/79

Biological, chemical, or total oxygen demand (i.e., bod, cod, tod)

84
422/75

Including titrator

100
422/76

Conductiometric type

59
422/77

With integrating or differentiating means

35
422/82.01

Measuring electrical property

1211
422/82.03

Ion selective electrode

293
422/82.04

Dissolved gas

98
422/82.02

Resistance or conductivity

702
422/82.05

Measuring optical property by using ultraviolet, infrared, or visible light

2386
422/82.09

Absorbance or transmittance

823
422/82.08

Fluorescence

1161
422/82.06

Optode or optrode

381
422/82.07

Fluorescence

502
422/82.11

Waveguides

621
422/82.13

Measuring pressure

70
422/82.12

Measuring temperature

135
422/69

Sorption testing

417
422/70

Liquid chromatography

889
422/71

With radioactive material

88
422/73

With coagulometer for agglutination, clotting, or prothrombin, or for particle (e.g., cell, etc.) counting, or volume or characteristics determination

885
422/99

Miscellaneous laboratory apparatus and elements, per se

1746
422/102

Container

2789
422/104

Holder, support, housing, or hood

1574
422/101

Including means for separating a constituent; e.g., filter, condenser, extractor, etc.

1960
422/100

Pipette or other volumetric fluid transfer means

2738
422/103

Valve or connector structure

824
422/63

Sample mechanical transport means in or for automated analytical system

2016
422/65

Means is conveyor and rack

1114
422/66

Means is moving tape or band

379
422/64

Means is turntable (circular)

1224
422/67

With specific analytical program control means

1146
422/55

Structured visual or optical indicator, per se

1039
422/57

Having coated reagent

1480
422/56

Having reagent in absorbent or bibulous substrate

2074
422/58

In holder or container having special form

2482
422/59

Column

202
422/60

Having plural-layered material

285
422/61

Test package or kit

1830
422/44

Blood treating device for transfusible blood

502
422/45

Oxygenator

237
422/47

Bubble or foam producing

79
422/46

Including integral heat-exchange means

198
422/48

Membrane

271
422/919

Burettes; pipettes [b01l 3/02]

38
422/920

Burettes, i.e., for withdrawing and redistributing liquids through different conduits [b01l 3/02b]

18
422/921

Plunger type [b01l 3/02b2]

31
422/930

Drop counters or drop formers [b01l 3/02d]

48
422/931

Interchangeable or disposable dispensing tips [b01l 3/02e]

60
422/932

Cooperating with positive ejection means [b01l 3/02e2]

26
422/933

Means for supplying or disposing of tips, e.g., racks or cassettes [b01l 3/02e4]

21
422/934

Mounted within a receptacle [b01l 3/02f]

23
422/922

Pipettes, i.e., with only one conduit for withdrawing and redistributing liquids [b01l 3/02c]

126
422/923

Plunger pump type [b01l 3/02c3]

53
422/924

Capillary pipettes, i.e., having a very small bore [b01l 3/02c3c]

21
422/926

Details of motor drive means [b01l 3/02c3m]

39
422/925

Having mechanical strokelength setting means, e.g., movable stops [b01l 3/02c3d]

51
422/927

Having several coaxial pistons [b01l 3/02c3p]

17
422/928

Repeating pipettes, i.e. for dispensing multiple doses from a single charge [b01l 3/02c3r]

23
422/929

Supports for pipettes [b01l 3/02c3s]

19
422/129

Chemical reactor

994
422/148

Ammonia synthesizer

146
422/130

Bench scale

305
422/187

Combined

603
422/163

Explosives synthesizer

20
422/139

Fluidized bed

574
422/147

And means mechanically separating and removing particulate bed material from fluid effluent

498
422/145

And means providing flow of particulate matter into or out of reaction chamber

720
422/144

Including means to strip reaction mass from, or to regenerate, the particulate matter (including fluidized bed regenerators, per se)

580
422/143

Including specific wind box or particulate matter support grid

324
422/141

Plural reaction beds

206
422/142

Sequentially arranged

284
422/146

With heat exchange means affecting reaction chamber or reactants located therein

412
422/140

With liquid present

322
422/185

For chemical recovery of chemicals from waste paper making liquor

67
422/184.1

For chemically destroying or disintegrating solid waste, other than burning alone

115
422/159

For radioactive reactant or product

266
422/234

Including external recycle loop

348
422/235

And means heating or cooling loop or reaction mass located therein

166
422/198

Including heat exchanger for reaction chamber or reactants located therein

1179
422/208

Apparatus operates at positive pressure

105
422/199

Electrical type

302
422/202

Heat-exchange jacket surrounding reaction chamber

333
422/205

Including baffle or stirring means disposed within jacket or chamber, the baffle means within chamber connected directly to wall thereof

149
422/203

Including fluid-transfer means connecting chamber to heat-exchange jacket

136
422/204

Means associated with jacket providing combustion gas as heat-exchange medium

143
422/200

Indirect heat-exchange tube within reaction chamber with a nonreactant heat-exchange fluid passing therethrough

389
422/201

Tube and shell type

291
422/207

Means injecting internal quench stream into reaction stream downstream of reaction stage

138
422/206

Regenerative heat sink

73
422/224

Including internal mixing or stirring means

529
422/225

Mechanical type stirring means

340
422/226

In positive pressure reactor

73
422/227

Including a draft tube for internal recirculation

95
422/228

Including flow directing baffle attached directly to reaction chamber wall

177
422/229

Longitudinally extending spiral stirring means

123
422/230

Thermosyphon or differential density mixing means; e.g., means internally recycling reaction mass via differential density pumping, etc.

39
422/231

Gas sparger type mixing means submerged in liquid reactant

155
422/209

Including means rotating reaction chamber during use

184
422/210

And means wiping or scraping interior surface of reaction chamber

46
422/236

Including means separating reaction chamber into plural reactant-containing compartments and means moving reactant therebetween

209
422/237

Movably mounted container-type separating means and means moving same

29
422/238

Solid reactant containing perforated or porous container-type separating means

55
422/188

Including plural reaction stages

430
422/189

And means providing discrete sequential reaction stages; e.g., train, etc.

550
422/190

Plural solid, extended surface, fluid contact reaction stages each containing; e.g., inert raschig rings, particulate sorbent, particulate or monolithic catalyst, etc.

561
422/192

At least one reaction stage formed of fixed, annularly shaped bed of contact material and means directing reaction stream therethrough substantially perpendicular to longitudinal axis of bed

139
422/191

Superimposed reaction stages in single reaction chamber

401
422/193

Reaction stages located within single reaction chamber

356
422/194

And means downstream of a stage for internally injecting a reactant into a reaction stream for interreaction in a subsequent stage, or injecting an internal quench stream into reaction stream passing between stages

229
422/195

Means within reaction chamber redistributing reaction stream as it passes between adjacent stages

194
422/196

Including plural parallel reaction stages with each stage in form of a reaction tube

195
422/197

Tubular stages in single reaction chamber

331
422/232

Including solid reactant and means charging solids into, or dischanging solids from, reaction chamber

280
422/233

Having both charge and discharge means along with means conveying solids therebetween located within reaction chamber

134
422/211

Including solid, extended surface, fluid contact reaction means; e.g., inert raschig rings, particulate absorbent, particulate or monolithic catalyst, etc.

1219
422/219

And means loading contact material into, or unloading contact material from, reactor or means providing internal contact material reservoir

206
422/217

And means upstream of extended surface, fluid contact means removing particulate impurities from reactant stream

67
422/220

And reactant flow distributor upstream of contact means and within reaction chamber modifying velocity profile of reactant flow

327
422/216

Compact bed of particulate, fluid contact material and means providing gravity flow of material within bed

187
422/218

Fixed annularly shaped bed of contact material and means directing reactant therethrough substantially perpendicular to longitudinal axis of bed

182
422/221

Fixed contact bed type with resilient or differential thermal expansion compensating bed support means

174
422/213

Particulate contact material type and means providing flow of particulate material into or out of reaction chamber with reactants or products

180
422/215

And internal mixing means

51
422/214

Transfer line type reaction chamber

91
422/222

Unitary (i.e., nonparticulate) contact bed, (e.g., monolithic catalyst bed, etc.)

450
422/223

With contact material regenerating means, per se, or combined with reactor

145
422/212

With means removing and recovering product from extended surface contact material

122
422/240

Including specific material of construction

232
422/241

Reactor liner

236
422/162

Inorganic hydrator

55
422/160

Inorganic sulfur acid or anhydride producing type

82
422/161

Acid is final product

77
422/131

Organic polymerization

722
422/132

Closed loop

215
422/133

Generating foamed plastic

208
422/134

Including plural sequential reaction stages

300
422/135

Including reactant agitating means in reaction chamber

402
422/136

And means rotatably mounting reaction chamber

54
422/137

Horizontal reaction chamber with screw or worm agitator

76
422/138

With heat exchanger for reaction chamber or reactants located therein

261
422/150

Pigment or carbon black producer

134
422/158

Vapor phase reaction type

55
422/151

With means injecting quench stream into reaction chamber downstream of reaction site

69
422/152

With particulate product collecting surface and means mechanically removing product therefrom

13
422/153

Moving collecting surface

5
422/154

Rotary collecting surface

6
422/155

Disk or plate

6
422/156

With plural sequential reaction zones or chambers

86
422/157

With movably or removably mounted plug means for converting reactor from (n) to (n+1) reaction stages

4
422/242

Positive pressure type

184
422/239

Reaction chamber includes at least one perforated, porous, or semipermeable wall and is adapted for holding solid reactant

255
422/129.1

Soap making

5
422/164

Solid reactant type (i.e., absence of fluid reactants)

73
422/165

Including ignition means for reactant

89
422/166

Electrically actuated

95
422/167

Including reactor cooling means surrounding reactor

40
422/168

Waste gas purifier

884
422/182

Including means injecting combustion fuel into reaction chamber in direct contact with waste gas

296
422/183

And means mixing combustion fuel with waste gas upstream of reaction site

116
422/169

Including means providing sequential purification stages

595
422/170

Plural chemical reaction stages

522
422/172

And means downstream of a stage for injecting a reactant into waste gas for interreaction in subsequent stage

524
422/171

Solid, extended surface, fluid contact type

1002
422/177

Including solid, extended surface, fluid contact reaction means; e.g., inert raschig rings, particulate absorbent, particulate or monolithic catalyst, etc.

1760
422/178

And contact regenerating means or means for cleaning an internal surface of the reaction chamber

306
422/181

Fixed annularly shaped bed of contact material and means directing gas therethrough substantially perpendicular to longitudinal axis of bed

265
422/179

Fixed bed with resilient or differential thermal expansion compensating bed support means

595
422/180

Unitary (i.e., nonparticulate) contact bed (e.g., monolithic catalyst bed, etc.)

1511
422/176

Including waste gas flow distributor upstream of reaction site and within reaction chamber modifying velocity profile of gas

318
422/173

With heat exchanger for reaction chamber or reactants located therein

543
422/174

Electrical type

374
422/175

Regenerative heat sink

145
422/186

With means applying electromagnetic wave energy or corpuscular radiation to reactants for initiating or perfecting chemical reaction

749
422/186.04

Electrostatic field or electrical discharge

617
422/186.21

Arc or spark discharge means

161
422/186.28

With current control means

20
422/186.26

With electrode moving means

32
422/186.27

With current control means

6
422/186.22

With electrode or reaction space heating or cooling means

65
422/186.23

With preparatory or product-treating means

38
422/186.25

With cooling or pressurizing means

19
422/186.24

With nitrogen fixation means

8
422/186.07

Ozonizers

473
422/186.18

Cylindrical electrode

139
422/186.19

With heating or cooling means

88
422/186.15

With current control or special electrical supply means

91
422/186.16

With pulse generating means

53
422/186.13

With electrode moving means

24
422/186.14

With fluent reactant flow control means

66
422/186.2

With heating or cooling means

70
422/186.08

With preparatory or product-treating means

73
422/186.11

With cooling, compression, condensation, or liquefying means

64
422/186.09

With drying means

17
422/186.1

With filtering or particle removal means

69
422/186.12

With subsequent use means

108
422/186.05

Treating surface of solid substrate

218
422/186.06

Surface is metal

51
422/186.29

With rf input means

106
422/186.01

Magnetic

115
422/186.02

Object protection

13
422/186.03

With electrical discharge

84
422/186.3

With ultraviolet radiation generating means

784
422/149

With means simultaneously carrying out conjugated reactions within single reactor

45
422/939

Containers for the purpose of retaining a material to be analyzed [b01l 3/00c]

87
422/944

Made of a flexible material [b01l 3/00c4]

44
422/945

With identification means, e.g., coded [b01l 3/00c4b]

6
422/940

Made of a rigid material [b01l 3/00c2]

75
422/942

For multiple samples, e.g., micro-titration plate [b01l 3/00c2d]

88
422/943

Specially adapted for heating or cooling samples [b01l 3/00c2d2]

17
422/941

With identification means, e.g., coded [b01l 3/00c2b]

19
422/946

With fluid transport, e.g., multi-compartment structure [b01l 3/00c6]

8
422/948

For multiple samples, e.g., multi-well filtration [b01l 3/00c6d]

66
422/947

Using capillary action, including fluid transfer through absorbent matrix [b01l 3/00c6c]

141
422/105

Control element responsive to a sensed operating condition

625
422/107

Control element directly mechanically linked to separate sensor

133
422/114

Control element is a binary responsive valve

98
422/115

Valve diverts flow from a contact zone

77
422/112

Control element is fluid pressure sensitive

337
422/113

Pressure-relief valve (e.g., pop-off valve) or check valve

140
422/108

Control element responds proportionally to a variable signal from a sensor

410
422/110

Controls flow rate of a material to or from a contact zone

532
422/111

Material is an input to contact zone

576
422/109

Controls heat transfer

399
422/106

Responsive to liquid level

199
422/116

Sensed condition is operating time and control is operation sequencer

299
422/907

Corona or glow discharge means

138
422/908

Crucibles [b01l 3/04]

27
422/909

Crystallizing dishes [b01l 3/06]

2
422/900

Decreasing pollution or environmental impact

84
422/310

Elements or adjuncts

207
422/311

Bed support means (e.g., support grid or plate for supporting particulate bed of contact material, etc.)

179
422/312

Tube element containing extended surface contact reaction means (e.g., a tube internally coated or packed with a catalyst, etc.)

102
422/910

Flasks [b01l 3/08]

5
422/935

Fluid transferring glassware [b01l 3/00b]

15
422/937

Joints; seals [b01l 3/00b4]

27
422/938

Stopcocks; valves [b01l 3/00b6]

10
422/936

Tubes; conduits [b01l 3/00b2]

7
422/120

For deodorizing of, or chemical purification of, or generation of, life-sustaining environmental gas

406
422/123

Including means adding material into environmental gas

356
422/124

And mechanical means creating forced draft at addition site

406
422/125

With material-heating means

224
422/126

Material is combusted

113
422/122

Including solid, extended surface, fluid contact reaction means (e.g., raschig rings, particulate or monolithic catalyst, etc.)

412
422/121

With means exposing gas to electromagnetic wave energy or corpuscular radiation

393
422/912

Gas jars or cylinders [b01l 3/12]

6
422/49

Including means facilitating part replacement or repair other than solid, extended surface, fluid contact means

55
422/905

Miscellaneous liquid sterilization means

54
422/904

Nitrogen fixation means

14
422/243

Physical type apparatus

96
422/292

Apparatus for treating solid article or material with fluid chemical

833
422/293

Fluid having simultaneous diverse function

35
422/294

Including flexible or collapsible treating chamber

125
422/295

Including pressure treating chamber (above ambient)

321
422/297

And rack, support or handling means

352
422/298

And vaporizer; e.g., boiler, etc.

129
422/299

Constituting treating chamber

78
422/296

Fluid pressure maintains closure or seal

58
422/300

Including rack, support or handling means

732
422/301

Apparatus closure operates means immersing article or material in liquid chemical

102
422/302

For treating container or covers therefor

174
422/303

Container is inverted

41
422/304

Including endless conveyor

124
422/291

Combined

64
422/245.1

Crystallizer

265
422/250.1

Crucible-free zone refiner

14
422/252

Hydraulic classifier with crystallizer

44
422/253

Including feed compartment for introducing nutrient

54
422/251

Including means separating and conveying crystals to a melting zone

45
422/254

Movable crystallizer or scraping means

70
422/307

Heat treating vessel with heating means

365
422/309

Including comminuting, kneading, or surface-wiping means interior or vessel

79
422/308

Including multiple stages

76
422/305

Including gas generating means

451
422/306

Including means for adding a material to a gas

221
422/244

Including serially disposed vaporizing heating means (sublimer) and solid material deposition means maintained at a temperature lower than said heating means (condenser)

41
422/255

Means separating or dissolving a material constituent

174
422/285

And heating means

57
422/288

Including means removing vapor from treated material

38
422/289

And direct contact heating fluid means within separating or dissolving chamber vessel

11
422/290

And indirect contact heating fluid means in separating or dissolving chamber

12
422/286

Including mechanical comminuting or conveying means

22
422/287

Within treating vessel

21
422/256

Liquid-liquid contact means

216
422/260

Including heating and cooling means

40
422/257

Including pulsator, adjustable plates, or plural inlets; e.g., spraying, etc.

84
422/258

Including rotating chamber or rotating member within chamber; e.g., mixer-settler, etc.

67
422/259

Having rotating member within chamber

76
422/261

Liquid-solid contact means

337
422/265

Buoyant holder

76
422/268

Conveyor support for solid material during contact; e.g., bucket, etc.

40
422/282

Including bypass

75
422/283

Including dip tube for inlet or outlet of fluid solvent

35
422/264

Including means restricting solvent contact to one end of body of solute

184
422/267

Including means to remove solids from a filter

39
422/263

Including monolithic nonporous body of solute

100
422/275

Including parallel perforated members perpendicular to, or parallel to, major axis of container

80
422/274

Including perforated member which is nonlinear or inclined with respect to the major axis of container

53
422/278

Including plural orifice inlet, or deflector adjacent inlet for solvent flow

118
422/279

Having inlet submerged within body of a solid solute

30
422/269

Including rotating member

93
422/273

Member conveys material into and out of container; e.g., screw propeller, etc.

59
422/270

Member is container

42
422/271

Including internal rotating member

32
422/272

Partitions divide container

31
422/284

Internal heater; e.g., steam coil, etc.

14
422/266

Manual or mountable holder; e.g., soap holder, etc.

144
422/281

Means recirculating solvent

90
422/276

Side wall of holder perforated

67
422/277

Perforations of holder form inlet for solvent

110
422/280

Solvent vapor condenser

18
422/262

Sulfur extraction

19
422/906

Plasma or ion generation means

131
422/901

Polymer dissolver

36
422/1

Process disinfecting, preserving, deodorizing, or sterilizing

714
422/4

A gas is substance acted upon

381
422/6

Affecting structure, article, etc., submerged in marine environment

108
422/39

By sudden release of pressure

47
422/5

Deodorizing

591
422/25

Including additional step of preventing damage to sealed container

81
422/7

Maintaining environment nondestructive to metal

397
422/12

Aqueous acid environment (i.e.,ph

318
422/13

Aqueous alkali environment (i.e., ph >> 8.4)

183
422/14

Essentially pure water environment

204
422/19

Using heavy metal or compound thereof

126
422/18

Using inorganic silicon or phosphorus compound

121
422/17

Using organic carboxylic acid or salt thereof

250
422/15

Using organic compound having phosphorus

262
422/16

Using organic nitrogen compound other than ammonium salt

499
422/9

Using gaseous preservative, preservative added to gaseous phase of environment, or maintaining gaseous phase nondestructive

77
422/10

Manipulating gaseous environment for preservative purpose

25
422/11

Steam environment

47
422/8

Using protective article (e.g., antitarnish fabric, etc.)

54
422/3

Process control in response to analysis

263
422/40

Process of storage or protection

333
422/41

Of liquid

124
422/42

By preventing evaporation

39
422/43

Of water

44
422/2

Step of warning or decreasing hazard of process

49
422/26

Using direct contact steam to disinfect or sterilize

442
422/27

And additional disinfecting or sterilizing agent

141
422/22

Using direct contact with electrical or electromagnetic radiation

767
422/23

In atmosphere other than air

190
422/24

Ultraviolet

870
422/28

Using disinfecting or sterilizing substance

1790
422/31

And recovering or reusing the agent

108
422/30

And removing the agent by chemical reaction or sorption

170
422/29

In situ generation of agent other than aldehyde or glycol

355
422/32

Treating bulk material

284
422/36

Using aldehyde

94
422/34

Using alkylene oxide

168
422/35

Using cyanide

19
422/37

Using halogen or halogen-containing compound

536
422/33

With positive pressure or vacuum

347
422/38

Using fluent heat transfer medium other than air

128
422/21

Using microwave energy

247
422/20

Using sonic or ultrasonic energy

194
422/903

Radioactive material apparatus

102
422/127

Shock or sound wave

80
422/128

Including supersonic or ultrasonic energy generation means

191
422/902

Sodium chloride and potassium chloride dissolver

22
422/913

Test tubes [b01l 3/14]

96
422/916

Closing or opening means, e.g., corks, bungs [b01l 3/14c]

119
422/917

With identification means, e.g., coded [b01l3/14c2]

5
422/918

Specially adapted for centrifugation [b01l 3/14d]

175
422/914

Specific test tube, per se [b01l 3/14b]

21
422/915

With identification means, e.g., coded [b01l 3/14b2]

26
422/911

Wash bottles [b01l 3/10]

0
422/119

With indicating, signalling, recording, sampling, or inspection means

417
422/117

With safety feature

137
422/118

Preventing opening of closure of pressurized apparatus at unsafe pressure

17
 
 
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