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Class Information
Number: 8/550
Name: Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers > 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
Description: Subject matter involving organic dye additives (assistants) added to the dye to assist in or improve this dyeing.

Sub-classes under this class:

Class Number Class Name Patents
8/611 Alcohol 237
8/608 Aldehyde 44
8/586 Carboxamides or thiocarboxamides 104
8/582 Carboxylic acid esters, cyanates, isocyanates, or sulfur analogues thereof 126
8/594 Carboxylic acid or salt thereof 125
8/609 Ether 124
8/551 Ethylenimine or polymer thereof or polyalkylene polyamine 66
8/580 Fats, higher fatty acids or esters, oils or waxes, other than nitrogen containing 126
8/574 Five-membered hetero ring consisting of one nitrogen and four carbon atoms 159
8/570 Five-membered hetero ring having two or more ring hetero atoms of which at least one is nitrogen 157
8/614 Halogen-containing 85
8/617 Hydrocarbon 66
8/607 Ketone 97
8/564 Lactam 30
8/602 Nitrogen-containing, other than nitro or nitroso 181
8/576 Oxygen-containing hetero ring 139
8/584 Phosphorus-containing 94
8/552 Polymeric additive 443
8/581 Silicon-containing 122
8/568 Six-membered hetero ring consisting of one nitrogen and five carbon atoms 181
8/565 Six-membered hetero ring having two or more ring hetero atoms of which at least one is nitrogen 104
8/575 Sulfur-containing hetero ring 88
8/587 Sulfur-containing 152
8/585 Ureas, thioureas, pseudoureas, or pseudothioureas 86

Patents under this class:
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Patent Number Title Of Patent Date Issued
8653279 Dye for dye-sensitized solar cell, and solar cell prepared from same Feb. 18, 2014
8491671 Mixture of dispersing agents Jul. 23, 2013
8419808 Dye compound and photoelectric component using the same Apr. 16, 2013
8349024 Hair treatment composition Jan. 8, 2013
8324338 Oligomer removing agent for polyester-based fiber material Dec. 4, 2012
8192993 Formulations for imparting traceability and/or trackability to one or more chemicals Jun. 5, 2012
8097048 Polyphenylene sulfide member and method for producing the same Jan. 17, 2012
8053240 Formulations for imparting traceability and/or trackability to one or more chemicals Nov. 8, 2011
8048517 Composition for application to a surface Nov. 1, 2011
8012221 Process for surface colouration of paper Sep. 6, 2011
8007548 Pretreatment fluid and method of making and using the same Aug. 30, 2011
7976586 1-phenoxy-2-propanol as a formulating aid for dyes Jul. 12, 2011
7780744 Carpet decor and setting solution compositions Aug. 24, 2010
7776108 Composition for application to a surface Aug. 17, 2010
7763083 Composition for application to a surface Jul. 27, 2010
7731762 Dye composition and dyeing method Jun. 8, 2010
7727289 Composition for application to a surface Jun. 1, 2010
7699897 Method of coloring hair Apr. 20, 2010
7678160 Colorant for foliage of humic and/or fulvic acid, and dye Mar. 16, 2010
7431743 Colorant for foliage of humic and/or fulvic acid, and dye Oct. 7, 2008
7425235 Color compositions and methods of manufacture Sep. 16, 2008
7332477 Photocleavable DNA transfer agent Feb. 19, 2008
7320766 Overdyeable pigmented polymeric fiber and yarns and articles made therefrom Jan. 22, 2008
7306633 Pre-treatment composition for oxidative coloring keratin fibres and process therefore Dec. 11, 2007
7238210 Non-oxidative hair coloring using yogurt Jul. 3, 2007
7084208 N-halamine vinyl compounds and their polymeric biocides Aug. 1, 2006
6743263 Method for coloring keratin fibers Jun. 1, 2004
6712862 Granular compacts, their production and use Mar. 30, 2004
6656985 Coloring material and color filter Dec. 2, 2003
6620208 Wetfast polyamide fiber with high amino end group content Sep. 16, 2003
6503317 Dye based aqueous pigment dispersions Jan. 7, 2003
6238441 Hydrophilic yarn dyed polyester process May. 29, 2001
5900029 Reaction of carbon black with diazonium salts, resultant carbon black products and their uses May. 4, 1999
5888251 Method of coloring hair or eyelashes with compositions which contain metal containing pigments and a copaiba resin Mar. 30, 1999
5746778 Wood stain containing a stabilizing agent May. 5, 1998
5714452 Whitening agent particle composition Feb. 3, 1998
5714456 Process for making discrete whitening agent particles Feb. 3, 1998
5686296 Yeast debris products Nov. 11, 1997
5567206 Stain and method for staining wood Oct. 22, 1996
5545557 Water insoluble coloring agent Aug. 13, 1996
5509940 Processes and compositions for dyeing hydrophobic polymer products with disperse dyes and terpene/terpenoid solvents Apr. 23, 1996
5462565 Process for dyeing delustered polyamide fibers with acid dyestuffs and metal salts Oct. 31, 1995
5403357 Hair coloring composition containing stearate derivatives as drying inhibitors Apr. 4, 1995
5338319 Process for the photochemical and thermal stabilization of polyamide fibre material with a copper complex having fibre-affinity and an oxalic acid diarylamide Aug. 16, 1994
5320647 Fluent polyazo dye preparations and method of dying leather or wool therewith Jun. 14, 1994
5298035 Process for preparing thermosensitive fibrous structure Mar. 29, 1994
5221288 Thermochromic dyeing method and cellulose product dyed thereby Jun. 22, 1993
5174791 Process for dyeing and printing blend fabrics of polyester and natural fibre materials with disperse dye and polyether-polyester to inhibit soilins with disperse dye Dec. 29, 1992
5160348 Mixtures of blue azo disperse dyestuffs Nov. 3, 1992
4970066 Hair dye or bleach supports of quaternized polymers Nov. 13, 1990

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