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Class Information
Number: 8/504
Name: Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers > Process involving plural application steps with same dye
Description: Processes involving plural applications of the same dye to a substrate.

Patents under this class:

Patent Number Title Of Patent Date Issued
8167958 Multiple step dyeing textile with concentrated dye systems May. 1, 2012
7972388 Methods and kits for maintaining the condition of colored hair Jul. 5, 2011
7959687 Hair dyeing process comprising a post-treatment using at least one organic silicon compound Jun. 14, 2011
7749285 Process for colouring and permanent shaping keratin fibres Jul. 6, 2010
7708785 Process for colouring and permanent shaping keratin fibres May. 4, 2010
7503940 Method and system for spot-dyeing textiles Mar. 17, 2009
7398660 Dyeing apparatus and method therefor Jul. 15, 2008
6533824 Method for restoring original color to bleached regions of nylon carpets Mar. 18, 2003
6383231 Mixture for the oxidation tinting of keratin fibres containing a laccase and tinting method using said mixture May. 7, 2002
6056790 Method for automated dyebath reuse May. 2, 2000
5431698 Process for oxidative dyeing and re-dyeing of human hair Jul. 11, 1995
5366511 Wool dyeing utilizing controlled dye addition Nov. 22, 1994
5330538 Salt-and-pepper denim Jul. 19, 1994
5318598 Nonaqueous polyamide dyeing process utilizing controlled dye addition Jun. 7, 1994
5268005 Method for ring-dyeing nylon filaments with indigotine dye for tooth-brushes Dec. 7, 1993
5230709 Polyamide dyeing process utilizing controlled anionic dye addition Jul. 27, 1993
5061290 Rope dyeing process using halogen indigo derivative and dyed article thus obtained Oct. 29, 1991
4715863 Process for dyeing hydrophobic fibre material from aqueous bath containing untreated disperse dye and to adjust the exhausted dye bath for further use Dec. 29, 1987
4681594 Process for disperse dyeing dry-spun atactic polyvinyl chloride-based filaments and fibres before drawing Jul. 21, 1987
4613336 Knitted fabric produced from indigo-dyed yarn Sep. 23, 1986
4152113 System for dyeing hosiery goods May. 1, 1979
3993435 Gradient dyeing of lenses Nov. 23, 1976
3958929 Dyestuff preparations May. 25, 1976

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