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Class Information
Number: 8
Name: Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers >
Description: This class takes the characters of processes set forth below, the products of such processes where not more specifically provided for, and in the specified instances, compositions used in the processes. (Also see References to Other Classes, below.)

Class Number	Class Name	No. of Patents
8/DIG.20	-n-cl compound	1
8/541	Acylating agent or cross-linker dye additive, composition, process, or product	49
8/542	Pretreatment of substrate	34
8/913	Amphoteric emulsifiers for dyeing	6
8/914	Amino carboxylic acids	4
8/915	Amino sulfonic acids	5
8/908	Anionic emulsifiers for dyeing	42
8/912	Arylene sulfonate-formaldehyde condensate or alkyl aryl sulfonate	21
8/910	Soap	2
8/911	Sulfonated	6
8/909	Sulfonated or sulfated alphatic hydrocarbons	11
8/900	Basic emulsifiers for dyeing	9
8/901	Quaternary ammonium salts	12
8/101	Bleaching	153
8/107	Chemical	210
8/108.1	Chlorine	142
8/109	With sulfur compounds or peroxides or oxygen	53
8/111	Peroxides or oxygen	587
8/110	Sulfur compounds	93
8/102	Color stripping or subduing	103
8/103	Wave energy	50
8/488	Bonding of preform, e.g., flocking, etc., with dyeing, process or product	16
8/929	Carpet dyeing	172
8/115.51	Chemical modification of textiles or fibers or products thereof	252
8/129	Cellulose ester or ether fibers	44
8/116.1	Cellulose fibers	286
8/123	Cuprammonium treatment	1
8/120	Esterifying, etherifying or immunizing	139
8/121	Acetylation	10
8/122	Xanthogenation	3
8/125	Mercerizing or alkaline treatment	81
8/127	Wetting addition or pretreatment	21
8/118	Transparent, parchmentized, or linen finish	5
8/119	Paper	15
8/116.4	Treatment with aldehyde or ketone	84
8/181	Treatment with nitrogen-containing organic compound	175
8/194	Amide	97
8/195	Urea or thiourea	47
8/196	Amine	103
8/192	Cyano-, isocyano-, thiocyano-, or isothiocyano-group containing	52
8/193	Ethylenic radial containing	17
8/189	Heterocyclic nitrogen compound	74
8/191	Three-membered ring with two c and one n	10
8/190	Triazine	50
8/188	Quaternary ammonium compound	80
8/182	With aminoplast condensate or aminoplast condensate-former	51
8/184	Amido-aldehyde condensate	60
8/187	Carbamic-aldehyde condensate	38
8/185	Urea-aldehyde condensate	105
8/186	Alkylatedurea-aldehyde condensate	65
8/183	Triazine-aldehyde condensate	47
8/127.1	Treatment with phosphorus containing material	101
8/117	Wool-like or crinkle effects	4
8/115.7	Mixed fibers	163
8/127.5	Proteinaceous fibers	63
8/127.51	Hair	87
8/128.1	Natural wool or silk	124
8/128.3	Chemical modification in the presence of a sulfur or silicone containing material	79
8/127.6	Treatment with aldehyde or aldehyde derivative, ketone or nitrogen containing organic compound	100
8/115.54	Treating textiles or fibers from synthetic resin or natural rubber with chemical reactant	116
8/115.68	Inorganic nongaseous chemical reactant	56
8/115.69	Oxidizing or alkaline agent	57
8/115.56	Organic chemical reactant	147
8/115.64	Organic reactant contains element other than c, h, o, n or s	111
8/115.65	Organic reactant contains nitrogen	81
8/115.66	Organic reactant contains plural nitrogen atoms nonbonded to each other	49
8/115.67	Reactant contains isocyanate group	24
8/115.57	Reactant contains heterocycle	15
8/115.58	Reactant contains nitrogen heterocycle	36
8/115.59	Contains six-membered nitrogen heterocycle	39
8/115.61	Reactant contains oxygen heterocycle	31
8/115.62	Reactant contains nonaromatic carbon-carbon double bond	52
8/115.63	Reactant containing nonaromatic carbon-carbon double bond also contains sulfur atom	14
8/130	Saponifying	6
8/115.55	Single fiber or filament containing more than one synthetic organic polymer	18
8/115.52	Using wave energy, electrostatic field or electrical discharge	61
8/115.53	Ultraviolet radiation	30
8/115.6	With coating, sizing, or lubricating	575
8/137	Cleaning or laundering	846
8/140	Carbonizing	5
8/138	Degumming or desizing	72
8/142	Dry cleaning	297
8/137.5	Removing formation impurities from artifical fiber	35
8/139	Scouring, degreasing or bowking	79
8/139.1	With fat solvent	23
8/141	Waste reclaiming and conditioning	34
8/902	Coacervation or two-phase dyeing system	2
8/495	Coating or sizing with dyeing process or product	159
8/496	Aminoplast or aminoplast precursor coating	51
8/442	Color protecting process for dyed product	87
8/475	Confined gas phase superatmospheric pressure dyeing process (other than steam below 138 degrees c.)	36
8/476	Steam (at 138 degrees c. or above)	26
8/DIG.13	Cyanoethylation of fibers	2
8/505	Differential fluid pressure assisted dyeing process, e.g., air pressure, vacuum, etc.	17
8/467	Diffusion transfer dyeing process, transfer sheet and product	76
8/470	Dry heat treatment for penetration	60
8/471	Sublimation	617
8/472	Air pressure	19
8/468	Release layer utilized	25
8/469	Steam	9
8/489	Drawing or stretching of preform with dyeing, process or product	40
8/524	Dry dye composition other than mere mixture of two or more dyes alone or process of making	148
8/526	Dye in specified form other than mere powder	111
8/525	Dye soap or detergent	19
8/DIG.14	Dry mixtures of textile reagents	1
8/527	Dye concentrate composition wherein an additional amount of a constituent of the composition must be added before use	273
8/528	Highly viscous dye concentrate, e.g., paste, etc.	71
8/636	Dye or potential dye composition, additive, treatment, process, product, or ancillary dye operation	115
8/662	Azo, acridone, or quinone dye	235
8/693	-coo-alkyl or -coo-aryl hydrocarbon	37
8/675	Anthraquinone dye	98
8/679	Anilino group on the anthraquinone nucleus	55
8/677	Heterocyclic group	51
8/678	Phenoxy, phenol, mercapto, alkoxy, or thioalkyl group	44
8/676	Sulfonic acid or salt thereof or sulfonamide	112
8/694	Aryl-(o=)s(=o)-n-	23
8/666	Azo developed on the fiber	47
8/670	Heterocyclic component	32
8/671	Me-c(=o)-ch-c(=o)- group-containing	7
8/667	Nitroaromatic component	16
8/669	Polyazo component	16
8/668	Pyrazolone component	5
8/696	Carbonyl bonded directly to nitrogen	96
8/680	Dye containing -(o=)s(=o)-o-, -o(o=)s(=o)-o- or phosphorus oxide group	202
8/681	Sulfonated azo	203
8/682	Monoazo	82
8/683	Monosulfonated	58
8/684	Heterocyclic	52
8/673	Dye containing -cooh	103
8/674	Metallized, heavy metal	23
8/672	Dye containing removable solubilizing group, e.g., lactam radical, etc., or the dye is oxidized to insolubilize	10
8/690	Five-membered hetero ring having two or more ring hetero atoms of which at least one is nitrogen	57
8/692	Diazoles or triazoles (including hydrogenated)	67
8/691	Thiazoles (including hydrogenated)	71
8/695	Ho-c-c-n-	12
8/685	Metallized dye, including metallization during dyeing (i.e., including in situ forming of metallized dye)	193
8/686	Heterocyclic	80
8/663	Naphthoquinone dye	13
8/687	Polyazo dye	165
8/688	Six-membered hetero ring having two or more ring hetero atoms of which at least one is nitrogen	105
8/689	Diazines (including hydrogenated)	33
8/664	Stabilized or potential diazo compound	22
8/665	Nitrosamine or n-diazo	6
8/654	Basic (cationic) dye containing strongly basic onium or alkylene imine group	165
8/655	Heterocyclic onium group, e.g., pyridinium, etc.	76
8/657	Basic dye, including diphenylmethane, triphenylmethane, xanthene, fluorene, methine, acridine, oxazine, phenazine, flavylium, naphthoperinone, quinophthalone, etc., group-containing	200
8/658	Acid dye form, e.g., with sulfonic acid group, etc.	47
8/659	Methine group	40
8/646	Dye extracted from natural product	54
8/648	Fluorescent dye, e.g., stilbene, benzimidazole, benzoxazole, benzothiazole, pyrazoline dye, etc., optical brightner or bluing agent	300
8/645	Inorganic dye (mineral dye)	15
8/638	Mixed dyes, noncomplexed	186
8/643	Anthraquinone dye	114
8/639	Azo	282
8/641	Sulfonated azo	247
8/640	With sulfur dye or vat dye	24
8/644	Basic dye	37
8/642	Sulfur dye or vat dye	27
8/649	Oxidation dye, e.g., aniline, nitroaniline, etc.	51
8/661	Phthalocyanine dye	138
8/637.1	Pigments used as dyes (imbibition of a pigment)	115
8/647	Polymeric dye, e.g., a chromophore pendant from an addition polymer, etc.	105
8/650	Sulfur dye or vat dye	153
8/653	Indigoid dye	78
8/651	Soluble leuco ester salts	38
8/652	Sulfur dye (sulfur-organic reaction product dye)	74
8/440	Dye recovery process, other than nominal recovery	26
8/404	Dyeing involving animal-derived natural fiber material (other than solely wool or silk), e.g., leather, fur, hair, feathers, etc., composition, process, or product	80
8/405	Hair dyeing	1034
8/426	Basic dye, including diphenylmethane, triphenylmethane, xanthene, fluorene, methine, acridine, oxazine, phenazine, flavylium, naphthoperinone, quinophthalone, quaternary ammonium group, etc., containing	156
8/429	Developed on the hair	105
8/428	Dye reactive with hair	90
8/425	Mordant, solvent dye formation or metallized azo dye	42
8/406	Oxidation dye	862
8/423	Aminoheterocyclic dye	276
8/421	Aminophenol dye	319
8/416	Aryldiamine dye	232
8/414	Nitroaniline dye	108
8/415	Nitrophenylenediamine dye	92
8/424	Phenols (natural oxidation dye)	104
8/408	Plural dyes or dye and coupling agent	509
8/409	Heterocyclic amine dye	412
8/410	Paradiaminobenzene dye	489
8/412	With aminophenol dye	294
8/411	With metadiaminobenzene dye	320
8/407	With dye other than oxidation dye	456
8/435	Solvent assisted dyeing	197
8/431	With fluid treatment, e.g., bleaching with dyeing, etc.	62
8/432	-s-s- bond disruption, e.g., use of thioglycolates, etc.	24
8/433	Swelling of hair	6
8/436	Leather dyeing	135
8/437	Azo dye	203
8/503	Dyeing process involving burning of reagents	5
8/444	Dyeing process utilizing electric, magnetic, or wave energy; or product thereof	115
8/500	Dyeing process utilizing mechanical pressure, e.g., presses, etc.	25
8/536	Fiber derived from saponified cellulose esters or from nitrocellulose converted to cellulose, dye composition, process, or product	14
8/133	Fiber protecting during fluid treatment	14
8/147	Fluid treatment (manipulative)	47
8/149.1	Combined liquid and gas or vapor	186
8/148	Confined areas	26
8/149.2	Gas or vapor	85
8/149.3	Including steam	120
8/149	Intermittent length	52
8/157	Kier treatment	5
8/158	Manipulation of liquid	491
8/159	Agitating immersed material and liquid	392
8/150	Special forms and forming	54
8/150.5	Hides, skins or leather	18
8/156	Pulp or fibers (in bulk)	96
8/151	Running lenghts	221
8/151.1	Helical textile course	3
8/152	Piling	52
8/151.2	Yarns	71
8/154	Wound packages	20
8/155	Yarns	25
8/155.1	Radial liquid flow	32
8/155.2	Skeins, cakes or cheeses	12
8/477	Foam dye composition or process	72
8/497	Forming, shaping, or reshaping with dyeing process or product	65
8/403	Fugitive dye composition, process or product	41
8/538	Gelled fiber-dyeing process or product	36
8/DIG.17	Glyoxal and polyaldehyde treatment of textiles	14
8/DIG.18	Grafting textile fibers	30
8/934	High temperature and pressure dyeing	28
8/935	Immunization as a resist in dyeing	0
8/112	Improving felting properties (e.g., carroting)	10
8/618	Inorganic additive for dye composition, dye composition containing inorganic additive, process or product; other than emulsifier, ph adjuster, water, nitrous acid for azo coupling or sulfur reducing agent for vat or sulfur dye	100
8/619	Ammonia	21
8/620	Ammonium salt	37
8/630	Boron	33
8/635	Chromium	14
8/624	Group ib metal (cu, ag, au)	58
8/629	Group iib metal (zn, cd, hg)	25
8/625	Group iiia metal (al, ga, in, tl)	36
8/626	Group iv metal (sn, pb, ge, ti, zr, hf)	22
8/622	Group va metal (as, sb, bi)	5
8/627	Group vb metal (v, nb, ta)	11
8/628	Group vii metal (mn, tc, re)	21
8/623	Group viii metal (fe, co, ni, os, ir, pt, ru, rh, pd)	46
8/634	Halogen acids	30
8/621	Molybdenum, uranium, or tungsten (wolfram)	5
8/631	Nitrogen	10
8/633	Phosphorus	13
8/632	Silicon	44
8/DIG.11	Isocyanate and carbonate modification of fibers	20
8/937	Li ion in dye bath	24
8/400	Measuring, testing, or inspecting dye process	57
8/537	Mercerized cellulose fiber or parchmentized cellulose fiber dyeing composition, process, or product	17
8/905	Mixed anionic and cationic emulsifiers for dyeing	6
8/904	Mixed anionic and nonionic emulsifiers for dyeing	24
8/906	Mixed cationic and nonionic emulsifiers for dyeing	7
8/DIG.19	Molten metal	0
8/529	Multiple chemically diverse fibers or fibers with different cross section, process of dyeing or product	100
8/534	Polyacrylonitrile fiber	41
8/532	Polyester fiber and cellulose fiber	285
8/533	Polyster fiber and wool or silk fiber	93
8/530	Resisting a fiber	7
8/531	Synthetic polyamide	126
8/939	Naphtholactam dye	1
8/916	Natural fiber dyeing	29
8/918	Cellulose textile	531
8/919	Paper	197
8/917	Wool or silk	290
8/494	Nominal textile manufacture process combined with dyeing	77
8/907	Nonionic emulsifiers for dyeing	71
8/506	Nontextile, dyeing process or product, including inorganic fiber	219
8/509	Acrylate polymer substrate	78
8/510	Acrylonitrile polymer substrate	38
8/511	Contains basic addition comonomer, e.g., vinyl pyridine, etc.	3
8/516	Amide polymer substrate	62
8/517	Natural polyamide, e.g., casein, gelatin, keratin, collagen, etc.	15
8/518	Cellulose substrate other than paper	37
8/519	Cellulose ester or cellulose ether	32
8/507	Contact lens	98
8/522	Inorganic substrate	35
8/523	Silica or calcareous substrate, e.g., glass, etc.	38
8/521	Oil, fat, wax, or gasoline dyeing	27
8/513	Olefin polymer substrate or rubber	60
8/514	Styrene polymer	46
8/520	Phenol-aldehyde resin substrate	6
8/515	Polymer from isocyanate and polyol, e.g., polyurethane, etc., substrate	55
8/512	Polymer from polyol and a polycarboxylic acid or derivative substrate	106
8/508	Vinyl chloride polymer substrate	46
8/DIG.21	Nylon	47
8/550	Organic additive for dye composition, dye composition containing organic additive, process or product; other than emulsifier, ph adjuster or starch or gum print paste thickener	43
8/611	Alcohol	211
8/612	Chlorohydrin	8
8/613	Phenols	46
8/608	Aldehyde	40
8/586	Carboxamides or thiocarboxamides	102
8/582	Carboxylic acid esters, cyanates, isocyanates, or sulfur analogues thereof	119
8/583	Aromatic	64
8/594	Carboxylic acid or salt thereof	98
8/598	Acyclic	53
8/601	Halogen-containing	10
8/600	Heavy metal-containing	13
8/599	Hydroxy-containing	45
8/597	Amine	54
8/595	Tannins or tannic acid	19
8/596	Contains heavy metal	8
8/609	Ether	113
8/610	Aryl ether	49
8/551	Ethylenimine or polymer thereof or polyalkylene polyamine	58
8/580	Fats, higher fatty acids or esters, oils or waxes, other than nitrogen containing	83
8/574	Five-membered hetero ring consisting of one nitrogen and four carbon atoms	137
8/570	Five-membered hetero ring having two or more ring hetero atoms of which at least one is nitrogen	123
8/571	Hetero n ring contains a sulfur atom (including hydrogenated)	78
8/572	Hetero n ring contains an oxygen atom (including hydrogenated)	50
8/573	Hetero n ring contains at least two nitrogen hetero atoms (including hydrogenated)	150
8/614	Halogen-containing	83
8/616	Aromatic	23
8/615	Fluorine	23
8/617	Hydrocarbon	56
8/607	Ketone	91
8/564	Lactam	30
8/602	Nitrogen-containing, other than nitro or nitroso	161
8/604	Amino alkanol	77
8/605	Anilines	10
8/603	Nitrile	26
8/606	Quaternary ammonium compound	170
8/576	Oxygen-containing hetero ring	119
8/577	Furyl (including hydrogenated)	18
8/579	Hetero ring is six-membered consisting of one oxygen and five carbons	18
8/578	Lactones	26
8/584	Phosphorus-containing	85
8/552	Polymeric additive	312
8/557	Acid polymer, e.g., carboxylated or sulfonated polymer	156
8/558	Acrylic acid polymer	127
8/559	Carboxyalkylene cellulose	19
8/560	Phenol-aldehyde polymer	42
8/561	Carbohydrate	99
8/562	Cellulose ester or cellulose ether	47
8/554	Cationic polymer, e.g., aminated polymer without -coo-, -(o=)s(=o)-, -o (o=)p(=o)-o- groups, e.g., polyacrylamide, etc.	170
8/555	Acrylamide or dialkylaminoalkylacrylate polymer	78
8/556	Cyanamide- or dicyandiamide-formaldehyde polymer	20
8/553	Derived from vinyl pyrrolidone or vinyl pyridine	50
8/563	Polypeptide or protein	28
8/581	Silicon-containing	89
8/568	Six-membered hetero ring consisting of one nitrogen and five carbon atoms	141
8/569	Quinolines	14
8/565	Six-membered hetero ring having two or more ring hetero atoms of which at least one is nitrogen	78
8/567	Diazines (including hydrogenated)	76
8/566	Triazines (including hydrogenated)	85
8/575	Sulfur-containing hetero ring	71
8/587	Sulfur-containing	114
8/592	Sulfamic or sulfinic acids, salts, or esters	21
8/593	Sulfonamides	13
8/588	Sulfonic acids or sulfonic acid esters	52
8/591	Acyclic	30
8/589	Aromatic	108
8/590	Amino	20
8/585	Ureas, thioureas, pseudoureas, or pseudothioureas	82
8/DIG.5	Organic titanium compounds on textiles	2
8/114	Ornamental effects	24
8/114.5	Differential creping	8
8/114.6	With fiber destruction or removal	35
8/115	With local treatment	49
8/491	Overall dimensional modification or stabilization, e.g., creping, etc., including use of chemical additive to form at least a temporary composition, with dyeing process	27
8/493	Modification of molecular structure of substrate by chemical means, e.g., cross-linking of substrate, hydrolysis of substrate, etc.	36
8/492	Solvent treatment of synthetic fibers	25
8/DIG.8	Oxirane	13
8/478	Pattern effect dyeing, process, compositions, or products	114
8/480	Cross dyeing	22
8/481	Mixture of treated and untreated individual fibers	34
8/486	Direct contact with applicator	25
8/487	Roller or disc	18
8/479	Discontinuous or multidirectional movement of substrate	13
8/483	Random pattern effect, e.g., space dyeing, etc.	51
8/484	Differential diffusion	17
8/482	Suppress dyeing, e.g., fold, twist, wrinkle, etc.	18
8/485	Two or more sequential dye application steps	77
8/535	Phenol-aldehyde fiber dyeing composition, process, or dyed product	7
8/DIG.4	Polyester fibers	44
8/DIG.9	Polyolefin	17
8/DIG.10	Polyvinyl halide esters or alcohol fiber modification	2
8/DIG.16	Pressurized and high temperature liquid treatment of textiles	6
8/DIG.15	Pressurized gas treatment of textiles	4
8/930	Pretreatment before dyeing	85
8/931	Washing or bleaching	24
8/504	Process involving plural application steps with same dye	18
8/441	Process of color renovating a dyed product	17
8/498	Process of dyeing involving dry powder application	6
8/438	Process of extracting or purifying of natural dye	35
8/439	Logwood	1
8/490	Process of preserving substrate combined with dyeing or product thereof, e.g., biocidal or fire retardant treatment, etc.	128
8/445	Process of printing permanently on substrate, other than nominal printing, using print paste containing discharge material, resist material, or dye material; or stencil dyeing	79
8/466	Azo dye	64
8/457	Discharge utilized	17
8/463	Acid (including direct) dye, e.g., sulfonated, sulfamated, etc.	47
8/462	Basic dye, including diphenylmethane, triphenylmethane, xanthene, fluorene, methine, acridine, oxazine, phenazine, flavylium, naphthoperinone, quinophthalone, quaternary ammonium group, etc., containing	12
8/458	Chemically modified local areas	6
8/464	Disperse dye	27
8/460	Mordant dye	3
8/459	Oxidation dye, e.g., aniline, nitroaniline, etc.	4
8/461	Vat dye or sulfur dye, e.g., quinonic or indigoid reducible, or sulfur organic compound reaction product dye, etc.	13
8/446	Resist or reserve	21
8/455	Acid (including direct) dye, e.g., sulfonated, sulfamated, etc.	61
8/451	Azo dye component ground	44
8/454	Basic dye, including diphenylmethane, triphenylmethane, xanthene, fluorene, methine, acridine, oxazine, phenazine, flavylium, napthoperinone, quinophthalone, quaternary ammonium group, etc., containing	28
8/448	Chemically modified local areas	15
8/456	Disperse dye	27
8/452	Mordant dye, e.g., dye with a metal chelating group, etc.	6
8/450	Oxidation dye, e.g., aniline, nitroaniline, etc.	3
8/449	Reactive dye	22
8/453	Vat dye or sulfur dye, e.g., quinonic or indigoid reducible dye, sulfur organic reaction product dye, etc.	11
8/447	Wax	7
8/465	Vat dye or sulfur dye, e.g., quinonic or indigoid reducible dye, sulfur organic compound reaction product dye, etc.	24
8/543	Reactive dye composition, process, or product	360
8/544	1,2-epoxy terminal group dye or halohydroxdye, e.g., -ch(oh)-chcl containing	19
8/548	Alkylene phosphate or phosphite dye	13
8/549	Alkylene sulfato, halotriazine, halodiazine, haloquinoxaline, or halopyrimidine dye	552
8/547	Quaternary ammonium group containing dye	31
8/546	Thiosulfato group containing dye	20
8/474	Reactive gas or reactive vapor utilized in dye process	20
8/502	Replenishment or replacement of same bath liquor in dyeing process	15
8/DIG.6	Resin bleach	2
8/DIG.1	Silicones	64
8/936	Solubility studies on dyes	0
8/938	Solvent dyes	41
8/932	Specific manipulative continuous dyeing	32
8/499	Spray-dyeing process	58
8/473	Subambient temperature dyeing process, i.e., less than 20 degrees c.	7
8/DIG.3	Swelling and stretching	3
8/130.1	Swelling or plasticizing of artificial fibers	62
8/131	Cellulose ester or ether fibers	6
8/132	With stretching	4
8/920	Synthetic fiber dyeing	45
8/921	Cellulose ester or ether	138
8/927	Polyacrylonitrile fiber	163
8/924	Polyamide fiber	547
8/925	Aromatic polyamide	71
8/922	Polyester fiber	562
8/923	Halopolyester	2
8/928	Polyolefin fiber	74
8/926	Polyurethane fiber	60
8/539	Synthetic fiber produced from material which contains pendant -coo-, -(o=)s(=o)-o-, -o-(o=)p(=o)-o-, pyridino, dialkylaminoalkyl-, or quaternary ammonium radical, dyeing process or product	117
8/540	Quaternary ammonium, pyridino, or dialkylaminoalkyl	30
8/933	Thermosol dyeing, thermofixation or dry heat fixation or development	78
8/94.1R	Treatment of hides, skins, feathers and animal tissues	129
8/94.16	Depilating	42
8/160	Adhesive type	15
8/161	Living animal	34
8/94.12	Fish or reptile skins	6
8/94.14	Fur	26
8/94.11	Internal tissues	108
8/94.1D	Leather dehydration	7
8/94.1P	Phosphorus compounds on leather	13
8/94.13	Suede	5
8/94.19R	Tanning	91
8/94.19C	Resin condensation in situ in leather	10
8/94.24	With aldehyde-aromatic condensation product	28
8/94.29	With aluminum compound	32
8/94.3	With vegetable extract	3
8/94.31	With cellulose liberation liquor	2
8/94.25	With heavy metal compound	26
8/94.27	Chromium compound	80
8/94.28	Iron compound	16
8/94.26	With organic material	55
8/94.33	With organic material	101
8/94.2	With subsequent treatment	47
8/94.21	Organic material	122
8/94.22	Fat, fatty oil, fatty oil acid or salt thereof	68
8/94.23	Emulsions	82
8/94.32	With vegetable extract	14
8/94.15	Treatment of untanned skins or hides	75
8/94.17	Alkaline material removal	23
8/94.18	With organic material	110
8/903	Triple mixture of anionic, cationic, and nonionic emulsifiers for dyeing	3
8/501	Two-phase system dyeing composition or process	21
8/401	Using enzymes, dye process, composition, or product of dyeing	151
8/DIG.2	Vinyl sulfones and precursors thereof	9
8/DIG.12	Wave energy treatment of textiles	23
8/443	Weighting process (loading silk with metal salts)	4
8/402	Wood dyeing process	36