Patents for C09B 49 - Sulfur dyes (429)
10/2004
10/21/2004WO2004090760A1 Competition entry
10/21/2004WO2004090047A1 Water-based dithiolene infrared inkjet inks
10/21/2004US20040210397 Competition entry
10/21/2004US20040210319 Printing coded data
10/21/2004US20040207700 preselecting said dye such that it includes at least one moiety for reducing intermolecular interactions; invisible ink
10/21/2004US20040206827 Handheld laser scanner
10/21/2004US20040206824 Hand-wearable coded data reader
10/21/2004CA2519411A1 Obtaining product item assistance
10/07/2004US20040199428 Shopping receptacle with in-built user interface
10/07/2004US20040199424 Dynamic user registration
10/07/2004US20040199280 Robotic assembly
10/07/2004US20040196501 Laser scanning device for printed product identification codes
10/07/2004US20040196489 Coupon redemption
10/07/2004US20040196345 preselecting said dye such that it includes at least one moiety for reducing intermolecular interactions; invisible ink
10/07/2004US20040196344 Water-based dithiolene infrared inkjet inks
10/07/2004US20040195342 Product identity data
10/07/2004US20040195341 Symmetric data tags
10/07/2004US20040195337 Laser scanner using rotating holographic optical element
10/07/2004US20040195336 Transparent conveyor for check-out scanning
10/07/2004US20040195334 Multi-angle laser scanner
10/07/2004US20040195333 Combined sensing device
10/07/2004US20040195330 Orientation determination
10/07/2004US20040195329 Face determination
10/07/2004US20040195321 Product item status
10/07/2004US20040195318 Automatic packaging system
10/07/2004US20040195317 Shopping receptacle with in-built scales
10/07/2004US20040195311 Token redemption
10/07/2004US20040195310 Facilitating user interaction
10/07/2004US20040194225 Lanthanide salt oxidation inhibitor and fabric softener; bleach resistance; kits
06/2004
06/30/2004EP1274804B1 Sulfur dye protection systems and compositions and methods employing same
05/2004
05/19/2004EP1419191A1 Process for the preparation of activated polyethylene glycols
05/11/2004US6733540 Use of 2-(sulphonylamino)phenols as couplers in oxidation coloring
08/2003
08/21/2003US20030154565 Sulfur dye protection systems and compositions and methods employing same
08/14/2003US20030150070 Sulfur dye protection systems and compositions and methods employing same
06/2003
06/25/2003CN1426441A Sulfur dye protection systems and compositions and methods employing same
03/2003
03/06/2003WO2003018665A1 Process for the preparation of activated polyethylene glycols
01/2003
01/29/2003EP1012210B1 Process for reducing sulphide dyestuffs
01/15/2003EP1274804A2 Sulfur dye protection systems and compositions and methods employing same
08/2002
08/01/2002US20020100125 Use of 2-(sulphonylamino) phenols as couplers in oxidation colouring
07/2002
07/04/2002US20020083534 Sulfur dye protection systems and compositions and methods employing same
05/2002
05/15/2002EP1205176A1 Use of 2-sulphonylaminophenols as coupling agents in oxidation dyeing
05/14/2002CA2363323A1 Use of 2-sulphonylamino-phenols as coupling agents in oxidation coloration
02/2002
02/21/2002WO2001081479A3 Sulfur dye protection systems and compositions and methods employing same
11/2001
11/06/2001US6312583 Process for reducing sulphide dyestuffs
11/01/2001WO2001081479A2 Sulfur dye protection systems and compositions and methods employing same
11/01/2001CA2403649A1 Sulfur dye protection systems and compositions and methods employing same
04/2001
04/25/2001EP0943030B1 Process for reducing sulfur and vat dyes
07/2000
07/25/2000US6093221 Process for reducing sulfur and vat dyes
06/2000
06/28/2000EP1012210A1 Process for reducing sulphide dyestuffs
04/2000
04/26/2000CN1051785C Dry leuco sulphur dyes, and production method and use
01/2000
01/12/2000CN1048271C Method for preparing dry leuco sulphur dyes, obtained dyes and use thereof
10/1999
10/05/1999US5961670 Sulfur dyes
09/1999
09/22/1999EP0943030A1 Process for reducing sulfur and vat dyes
03/1999
03/11/1999WO1999011716A1 Process for reducing sulphide dyestuffs
06/1998
06/16/1998US5766269 Cationic dyes, their production and use
06/11/1998WO1998024967A1 Process for reducing sulfur and vat dyes
06/10/1998DE19650825A1 Verfahren zur Reduktion von Schwefel- und Küpenfarbstoffen A process for the reduction of sulfur and vat dyes
03/1997
03/18/1997US5611818 Dry leuco sulphur dyes in particulate form
03/05/1997EP0562080B1 Sulphur dye compositions and their production
02/1997
02/19/1997CN1143098A Sulphur dyes
11/1996
11/06/1996EP0741168A1 Sulphur dyes
11/05/1996CA1338689C Sulfur-containing nitroaminobenzene dyes, process and hair dye compositions
09/1996
09/11/1996EP0731146A2 Cationic dyes, their production and use
08/1996
08/13/1996US5545235 Thermal transfer of pyridone dyes
08/06/1996US5542952 Dye composition containing sulphur-containing p-phenylenediamines and corresponding dyeing processes, novel sulphur-containing p-phenylenediamines and process for the preparation thereof
02/1996
02/29/1996DE19530188A1 Antioxidantien Antioxidants
11/1995
11/28/1995US5470356 Sulfur dye compositions and their production
11/08/1995EP0680834A1 Thermotransfer of pyridone dyes
10/1995
10/25/1995EP0678012A1 Compositions and methods for temporarily coloring hair using solubilized melanin
06/1995
06/07/1995EP0656202A1 Dyeing composition containing sulphurous p-phenylene-diamines, novel sulphurous p-phenylenediamines and method of preparation
06/02/1995CA2137026A1 Dye composition with sulfur-containing p-phenylenediamines and corresponding dyeing process, novel sulfur-containing p-phenylenediamines and their preparation process
01/1995
01/24/1995US5383961 Water-soluble sulphur dyes, their preparation and use
12/1994
12/20/1994US5374302 Water-insoluble sulphur dyes, their preparation and use
11/1994
11/29/1994US5368637 Black ink jet ink
06/1994
06/22/1994CN1088236A Dry leuco sulphur dyes in particulate form
05/1994
05/26/1994WO1994010968A1 Compositions and methods for temporarily coloring hair using solubilized melanin
05/26/1994DE4338312A1 Trockene Leukoschwefelfarbstoffe in Teilchenform Dry leuco sulfur in particulate
05/26/1994CA2154750A1 Compositions and methods for temporarily coloring hair using solubilized melanin
05/18/1994EP0597292A1 Waterinsoluble sulphar dyes, their preparation and use
04/1994
04/27/1994EP0593923A1 Water-insoluble sulfur dyes, their preparation and their use
04/20/1994EP0592838A1 Water-soluble sulphur dyes, their preparation and use
04/05/1994US5300148 Pigments, their production and use
11/1993
11/24/1993CN1078726A Dye leuco sulphur dyes
09/1993
09/29/1993EP0562080A1 Sulphur dye compositions and their production.
06/1993
06/02/1993CN1072697A Sulphur dye compositions and their production
04/1993
04/12/1993WO1993007221A1 Sulphur dye compositions and their production
04/12/1993CA2095347A1 Sulphur dye compositions and their production
11/1992
11/26/1992DE4215678A1 Trockene leukoschwefelfarbstoffe Dry leuco
11/11/1992CN1019019B Process for synthesizing cobalt phthalocyanine desulfating catalyst
10/1992
10/18/1992CA2066078A1 Pigments, their production and use
09/1991
09/19/1991DE4007751A1 Continuous sulphur dyestuff mfr. - by baking process in double-screw reactor, followed by two=stage digestion
09/1990
09/19/1990CN1045414A Process for synthesizing cobalt phthalocyanine desulfating catalyst
07/1990
07/17/1990US4941923 Water-insoluble black pigment
08/1989
08/22/1989US4859206 Hair dye preparations containing nitrodiphenylamine derivative
07/1989
07/26/1989EP0325172A2 Water-insoluble black pigment
05/1989
05/03/1989EP0314162A2 Sulfur-containing nitroamino-benzene dyes, process and hair dye compositions
01/1989
01/24/1989US4799934 Sulfur-containing nitroaminobenzene dyes, process and hair dye compositions
08/1988
08/31/1988EP0280187A1 Hair dyeing compositions with direct-dyeing nitro-diphenyl amine derivatives
10/1986
10/08/1986EP0196574A2 4,4'-Diaminodiphenyl compounds, process for their preparation and their use
12/1984
12/04/1984US4486350 Reduction of sulfochloride with reducing agent in presence of hydriodic acid
1 2 3 4 5