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Class Information
Number: 8/538
Name: Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers > Gelled fiber-dyeing process or product
Description: Subject matter relating to processes for dyeing gelled fibers and product thereof.










Patents under this class:

Patent Number Title Of Patent Date Issued
7686852 Monoazo dyes Mar. 30, 2010
7156885 Hair coloring device Jan. 2, 2007
7074245 Modified regenerated cellulose fiber and fiber product thereof Jul. 11, 2006
6821304 Modified regenerated cellulose fiber and fiber product thereof Nov. 23, 2004
6797015 Method for producing transparent, colored cellulose sleeves Sep. 28, 2004
6793689 Dyed cellulosic moulded bodies Sep. 21, 2004
5865858 Aminated cellulosic synthetic fibers Feb. 2, 1999
5851239 Spin dyeing process with dyeing salts Dec. 22, 1998
5725607 Method for reducing the toxicity of spent liquors and novel cationic dyes Mar. 10, 1998
5651794 Dyeing of cellulose Jul. 29, 1997
5613987 Colored high-tenacity filaments of polyethylene and process for their production Mar. 25, 1997
5580354 Process for reducing the fibrillation tendency of solvent-spun cellulose fibre Dec. 3, 1996
5565007 Amination of rayon Oct. 15, 1996
5542955 Dyeing modified viscose fibers with acid or direct dyes Aug. 6, 1996
5538519 Production of colored silk filament Jul. 23, 1996
5538519 Production of colored silk filament Jul. 23, 1996
5529585 Rayon modified with polymeric amine compounds Jun. 25, 1996
5074889 Aromatic polyamide fibers and method of printing such fibers with acid dyes in the presence of hexamethylene diamine dihydrochloride impregnated in fiber Dec. 24, 1991
4985046 Process for preparing poly (paraphenylene terephthalamide) fibers dyeable with cationic dyes Jan. 15, 1991
4976744 Preparation of concentrated solutions of cationic dyes as mono-carboxylates in glycol ether Dec. 11, 1990
4732573 Novel dye salts of cationic dyes, having thiocyanatometallate or cyanatometallate complex anions for spin dyeing acid modified polyacrylonitrile Mar. 22, 1988
4681595 Process for disperse dyeing dry-spun atactic polyvinyl chloride-based filaments and fibres after drawing the wet tow Jul. 21, 1987
4681594 Process for disperse dyeing dry-spun atactic polyvinyl chloride-based filaments and fibres before drawing Jul. 21, 1987
4668234 Aromatic polyamide fibers and process for stabilizing such fibers with surfactants May. 26, 1987
4607071 Process for spin-dyeing of acid-modified polymers of copolymers of acrylonitrile using rapid-fixing di-quaternary cationic dyes Aug. 19, 1986
4600407 Process for the production of swellable filaments, fibers and shaped structures of acrylic polymers, and the products obtained thereby Jul. 15, 1986
4591361 Method of producing acrylonitrile-base in-line dyed fibers using rapidly alternating dye solution cross flow May. 27, 1986
4563191 Process for dyeing, in the gel state, fiber material composed of wet spun acrylonitrile polymers using dyes with two basic groups Jan. 7, 1986
4557732 Process for spin-dyeing of acid-modified polymers of acrylonitrile by the wet-spinning procedure using quaternary ammonium or cyclammonium dyestuffs of low M value and high cation weight havin Dec. 10, 1985
4445904 Process for continuously dyeing in the gel state fiber material of acrylonitrile polymers spun from organic solvents with carbinol- or anhydro base of basic dye May. 1, 1984
4382801 Process for spin dyeing polymers or copolymers of acrylonitrile with quaternized heterocyclic diazo dye and tetrafluoro-borate anion May. 10, 1983
4266940 Method for dyeing acrylonitrile polymer and copolymer fibres May. 12, 1981
4108936 Process for dyeing wet-spun aromatic polyamides in gel form Aug. 22, 1978
4066396 Dyeing dry-spun aromatic polyamides Jan. 3, 1978
4059403 Process for dyeing wet-spun aromatic polyamides in gel form Nov. 22, 1977
4013406 Process for continuously dyeing filaments of slivers of wet-spun acrylonitrile polymers Mar. 22, 1977
3979176 Process for the continuous level processing of poly-acrylonitrile in the hydrated condition Sep. 7, 1976
3944386 Process for dyeing filaments of acrylic polymer Mar. 16, 1976











 
 
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