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Class Information
Number: 8/618
Name: Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers > 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
Description: Subject matter involving inorganic dye additives (assistants) which are added to the dye to assist in or improve the dyeing.










Sub-classes under this class:

Class Number Class Name Patents
8/619 Ammonia 33
8/620 Ammonium salt 51
8/630 Boron 34
8/635 Chromium 14
8/624 Group ib metal (cu, ag, au) 63
8/629 Group iib metal (zn, cd, hg) 33
8/625 Group iiia metal (al, ga, in, tl) 37
8/626 Group iv metal (sn, pb, ge, ti, zr, hf) 23
8/622 Group va metal (as, sb, bi) 6
8/627 Group vb metal (v, nb, ta) 11
8/628 Group vii metal (mn, tc, re) 29
8/623 Group viii metal (fe, co, ni, os, ir, pt, ru, rh, pd) 57
8/634 Halogen acids 30
8/621 Molybdenum, uranium, or tungsten (wolfram) 6
8/631 Nitrogen 10
8/633 Phosphorus 18
8/632 Silicon 64


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8460399 Weak acid based concrete stain Jun. 11, 2013
8262742 Reduction or prevention of dye bleeding Sep. 11, 2012
7553339 Method of dyeing or printing textile fibre materials using reactive dyes Jun. 30, 2009
7425235 Color compositions and methods of manufacture Sep. 16, 2008
7320766 Overdyeable pigmented polymeric fiber and yarns and articles made therefrom Jan. 22, 2008
7101407 Sulfur dye protection systems and compositions and methods employing same Sep. 5, 2006
7094263 Composition of matter comprising a dye Aug. 22, 2006
7060108 Hair dyeing process Jun. 13, 2006
7048771 Dyeing textiles using nanoparticles May. 23, 2006
7018424 Sulfur dye protection systems and compositions and methods employing same Mar. 28, 2006
6830593 Fabric care compositions Dec. 14, 2004
6821302 Permanent coloring of hair using carbonate salts and bicarbonate salts and using percarbamic acid precursors Nov. 23, 2004
6790241 Mediator systems based on mixed metal complexes, used for reducing dyes Sep. 14, 2004
6773464 Hair coloring compositions Aug. 10, 2004
6773462 Method of coloring hair Aug. 10, 2004
6733542 Method for darkening black clothing May. 11, 2004
6712862 Granular compacts, their production and use Mar. 30, 2004
6689175 Process for enhancing the dyed appearance of a microdenier fabric Feb. 10, 2004
6530961 Alkaline aqueous solutions and use thereof in processes for dyeing cellulosic textile materials Mar. 11, 2003
6503317 Dye based aqueous pigment dispersions Jan. 7, 2003
6432147 Hair coloring compositions Aug. 13, 2002
6398821 Hair coloring compositions Jun. 4, 2002
6221113 Liquid dyestuff compositions Apr. 24, 2001
6214059 Liquid alkali for reactive dyeing of textiles Apr. 10, 2001
6179883 2-imino-2,3-dihydro-1H-indole derivatives for dyeing keratin fibers Jan. 30, 2001
6045591 Process for the two-step direct dyeing of keratin fibres using basic direct dyes Apr. 4, 2000
6004358 Batchwise dyeing of cellulosic textile material with indigo by the exhaust method Dec. 21, 1999
5972042 Method for dyeing a material with a dyeing system which contains an enzymatic oxidizing agent Oct. 26, 1999
5961668 4-(2,4-diaminophenoxymethyl)-1,3-dioxolane secondary intermediates, processes for their production, and hair colorants Oct. 5, 1999
5942009 Same-day waving and coloring of hair Aug. 24, 1999
5900029 Reaction of carbon black with diazonium salts, resultant carbon black products and their uses May. 4, 1999
5897673 Fine metallic particles-containing fibers and method for producing the same Apr. 27, 1999
5882936 Method of making a sensor with improved drift stability Mar. 16, 1999
5873911 Water-soluble urea derivative polymers with quaternary ammonium groups and their use Feb. 23, 1999
5858024 Composition for dyeing keratin fibres containing a substance P antagonist Jan. 12, 1999
5846266 Fabric printing Dec. 8, 1998
5772696 Process for purification of water soluble dyes via water insoluble metal salt intermediate Jun. 30, 1998
5772697 Process for preparing a liquid caustic composition for use in reactive dyeing which has target total and active alkalinities Jun. 30, 1998
5746778 Wood stain containing a stabilizing agent May. 5, 1998
5725604 Thermofixing of dyes in presence of polymerizable compound and an initiator Mar. 10, 1998
5667532 Liquid alkali for reactive dyeing of textiles Sep. 16, 1997
5662716 Process for increasing stain-resistance of cationic-dyeable modified polyamide fibers Sep. 2, 1997
5653770 Antique-looking and feeling fabrics and garments and method of making same Aug. 5, 1997
5637116 Leucoindigo preparatations in granule form Jun. 10, 1997
5616150 Isatin-containing formulations for coloring keratin-containing fibers Apr. 1, 1997
5609650 Dyeing of keratin fibres with indolines using metal salts as catalysts Mar. 11, 1997
5603736 Liquid alkali for reactive dyeing of textiles Feb. 18, 1997
5567206 Stain and method for staining wood Oct. 22, 1996
5540738 Oxidative hair coloring composition and process for dyeing human keratinous fibers Jul. 30, 1996
5525123 Composition for simultaneous dyeing and brightening of human hair Jun. 11, 1996

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