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Class Information
Number: 8/681
Name: Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers > Dye or potential dye composition, additive, treatment, process, product, or ancillary dye operation > Azo, acridone, or quinone dye > Dye containing -(o=)s(=o)-o-, -o(o=)s(=o)-o- or phosphorus oxide group > Sulfonated azo
Description: Subject matter wherein an azo dye contains an -SO3- group.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7572301 |
Fibre-reactive dyes, their preparation and their use |
Aug. 11, 2009 |
| 7559959 |
Bridged monoazo dyes |
Jul. 14, 2009 |
| 7553340 |
Reactive dyes, a process for their preparation and their use |
Jun. 30, 2009 |
| 7553359 |
Stable liquid formulations of anionic dyes |
Jun. 30, 2009 |
| 7540883 |
Reactive yellow dye composition |
Jun. 2, 2009 |
| 7531009 |
6-azo-5,5'-dihydroxy-7,7'-disulfo-2-2' dinaphthylamine derivatives |
May. 12, 2009 |
| 7455699 |
Dye mixtures of fiber-reactive azo dyes, their preparation and use |
Nov. 25, 2008 |
| 7438753 |
Diazo dyestuff compounds and their use |
Oct. 21, 2008 |
| 7429279 |
Dye mixtures of fiber-reactive AZO dyes, their preparation and their use |
Sep. 30, 2008 |
| 7387647 |
Dye composition and the use thereof |
Jun. 17, 2008 |
| 7381228 |
Mono-, Di- or Trichromatic Dyeing or Printing of Natural or Synthetic Polyamide Fiber Materials |
Jun. 3, 2008 |
| 7364597 |
Metal complex colorant comprising azo moiety |
Apr. 29, 2008 |
| 7341607 |
Yellow anionic disazo dyes |
Mar. 11, 2008 |
| 7276268 |
Poly-azo compound, and polarization film having said compound |
Oct. 2, 2007 |
| 7247195 |
Dye sets for ink-jet ink imaging |
Jul. 24, 2007 |
| 7220843 |
Methanesulfonamide azo dyes |
May. 22, 2007 |
| 7217803 |
Benzimidazole-pyridone-based azo dyes |
May. 15, 2007 |
| 7078497 |
Disazo dyes, and copper complexes thereof, for dyeing paper |
Jul. 18, 2006 |
| 6997978 |
Magneta ink-jet inks |
Feb. 14, 2006 |
| 6991676 |
Dye sets and ink sets for ink-jet ink imaging |
Jan. 31, 2006 |
| 6984723 |
Use of copper complexes of disazo dyes for dyeing natural and synthetic material |
Jan. 10, 2006 |
| 6930178 |
1:2 chromium complex dyes |
Aug. 16, 2005 |
| 6844428 |
Use of disazo compounds |
Jan. 18, 2005 |
| 6767394 |
Dye composition |
Jul. 27, 2004 |
| 6727351 |
Azoxy dyes and their Cu complexes |
Apr. 27, 2004 |
| 6712862 |
Granular compacts, their production and use |
Mar. 30, 2004 |
| 6660048 |
Aqueous dye solutions |
Dec. 9, 2003 |
| 6511535 |
Method for printing fibrous textile materials using the ink jet technique |
Jan. 28, 2003 |
| 6365719 |
Bridged disazo compounds |
Apr. 2, 2002 |
| 6254671 |
Very green-shade yellow metallized disazo pigment |
Jul. 3, 2001 |
| 6221114 |
Colorant salts and their use in dyeing polymeric material |
Apr. 24, 2001 |
| 6130320 |
Acid disazo dyes as well as sulphonamides as their intermediate product |
Oct. 10, 2000 |
| 6120561 |
Process for the preparation of low-salt, liquid dyestuff preparations |
Sep. 19, 2000 |
| 6084078 |
Disazo dyestuffs for dyeing cellulosic materials |
Jul. 4, 2000 |
| 6080209 |
Stable colorant compositions |
Jun. 27, 2000 |
| 6031083 |
Disazo dyestuffs |
Feb. 29, 2000 |
| 5922085 |
Preparation of a dye for coloring protein-based fibers and cellulose-based materials from the oxidation products of the manufacture of a triphenylmethane dye |
Jul. 13, 1999 |
| 5883234 |
Process for dyeing cellulosic materials with disazo dyestuffs |
Mar. 16, 1999 |
| 5834602 |
Acid disazo dyes |
Nov. 10, 1998 |
| 5808016 |
Disazo dyestuffs |
Sep. 15, 1998 |
| 5704951 |
Mixtures of blue-dyeing fiber-reactive dyes and their use for dyeing hydroxy-and/or carboxamido-containing fiber material |
Jan. 6, 1998 |
| 5700296 |
Azo compound and a polarizing film containing the same |
Dec. 23, 1997 |
| 5697985 |
Process for the preparation storage-stable dye dispersions |
Dec. 16, 1997 |
| 5668259 |
Metallizable disazo compounds having 1, 3-dihydroxybenzene bis-coupling component radicals, iron complexes thereof and mixtures of such iron complexes |
Sep. 16, 1997 |
| 5665124 |
Process for dyeing and printing materials containing hydroxyl and/or carboxamide groups |
Sep. 9, 1997 |
| 5650497 |
Azo dyes, processes for their preparation and their use |
Jul. 22, 1997 |
| 5632783 |
Mixtures of reactive dyes for navy shades |
May. 27, 1997 |
| 5611821 |
Black reactive dye composition |
Mar. 18, 1997 |
| 5597387 |
Water-soluble polyazo dyestuffs |
Jan. 28, 1997 |
| 5559217 |
Disazo dyes and a process of dyeing paper therewith |
Sep. 24, 1996 |
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