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Class Information
Number: 552/302
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Cyclohexadiene having atoms double bonded directly at the 1- and 4- positions (e.g., paraquinones, etc.) > Nitrogen double bonded directly at the 1- or 4- positions
Description: Compounds wherein the 1- or 4- position of the cyclohexadiene has nitrogen double bonded directly thereto.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7521006 |
Diimmonium compound and use thereof |
Apr. 21, 2009 |
| 7056349 |
Agent containing quinonimine derivatives and used to color keratin fibres, and associated method |
Jun. 6, 2006 |
| 6187937 |
Preparation of N-phenyl-benzoquinoneimine from hydroxydiphenylamines |
Feb. 13, 2001 |
| 6114554 |
Preparation of quinonediimines from phenylenediamines using a hypochlorite as an oxidation agent |
Sep. 5, 2000 |
| 6072061 |
Preparation of quinoneimines from hydroxyphenylamines using a hypochlorite as an oxidation agent |
Jun. 6, 2000 |
| 6043384 |
Preparation of quinoneimines from hydroxyphenylamines using hydrogen peroxide and a catalyst |
Mar. 28, 2000 |
| 5959126 |
Formation of quinonedimines from phenylenediamines by catalytic oxidation |
Sep. 28, 1999 |
| 5919846 |
Colorant having isocyanate substituent |
Jul. 6, 1999 |
| 5811370 |
Azamethine dyes |
Sep. 22, 1998 |
| 5773623 |
Methine dyes containing a 5- or 6- membered carbocyclic or heterocyclic radical |
Jun. 30, 1998 |
| 5514819 |
Oxalylamino substituted indoaniline dyes |
May. 7, 1996 |
| 5292905 |
Cyan dyes |
Mar. 8, 1994 |
| 5273906 |
Protein staining compositions and methods |
Dec. 28, 1993 |
| 5178637 |
Tinctorial composition based on 5,6-dihydroxyindolines and method for dyeing keratinous fibres |
Jan. 12, 1993 |
| 5132438 |
Bichromophoric methine and azamethine dyes and process for transferring them |
Jul. 21, 1992 |
| 5132439 |
Protein staining compositions and methods |
Jul. 21, 1992 |
| 5091545 |
Catalytic oxidation of hydroxy containing aromatic compounds |
Feb. 25, 1992 |
| 5013857 |
Process for the preparation of sulpho-free triphenyl-methane dyestuffs |
May. 7, 1991 |
| 4830786 |
Squaraine dyes |
May. 16, 1989 |
| 4789630 |
Ionic compounds containing the cationic meriquinone of a benzidine |
Dec. 6, 1988 |
| 4702863 |
Indoaniline and indophenol compounds, a process for their preparation, dyeing compositions containing them and a hair-dyeing process |
Oct. 27, 1987 |
| 4675130 |
Process for producing indoanilines and keratin fiber dye composition containing the same |
Jun. 23, 1987 |
| 4552697 |
Compound useful in detecting ions and method of preparing it |
Nov. 12, 1985 |
| 4540520 |
Compound useful in detecting ion and method of preparing it |
Sep. 10, 1985 |
| 4477635 |
Polymeric triarylmethane dyes |
Oct. 16, 1984 |
| 4361516 |
N-Monosubstituted indoanilines |
Nov. 30, 1982 |
| 4295848 |
Composition for hair dyeing which contains a para base and an ortho base |
Oct. 20, 1981 |
| 4291054 |
Insecticidal carbamoyl sulfides |
Sep. 22, 1981 |
| 4288622 |
N,N-Dialkylamino diphenylamines and the use thereof in compositions for dyeing keratinic fibers |
Sep. 8, 1981 |
| 4268264 |
Composition for hair dyeing which contains a para base and an ortho base |
May. 19, 1981 |
| 4248591 |
Indoanilines, process for producing the same and keratinic fiber dye composition containing the same |
Feb. 3, 1981 |
| 4242277 |
Nitrosation process |
Dec. 30, 1980 |
| 4228259 |
Water-soluble cationic polymer dye compounds and process for producing the same |
Oct. 14, 1980 |
| 4221729 |
Indoanilines |
Sep. 9, 1980 |
| 4046786 |
Indoanilines |
Sep. 6, 1977 |
| 4045170 |
Hair dye composition containing an indoaniline |
Aug. 30, 1977 |
| 4042627 |
Diphenylamines for dyeing keratinous fibers |
Aug. 16, 1977 |
| 4023926 |
Diaminobenzoquinones in hair dye compositions |
May. 17, 1977 |
| 4007747 |
N-monosubstituted indoanilines as dyestuffs for keratinic fibers |
Feb. 15, 1977 |
| 3984402 |
Indoanilines for dyeing keratinous fibers |
Oct. 5, 1976 |
| 3977825 |
Indoanilines in keratinic fiber dye cmpositions |
Aug. 31, 1976 |
| 3972905 |
Quinonemonoxime-arylacylhydrazones |
Aug. 3, 1976 |
| 3963498 |
Silver halide element containing an organic semiconductor |
Jun. 15, 1976 |
| 3963764 |
Indoanilines |
Jun. 15, 1976 |
| 3953508 |
Diphenylamines for dyeing keratinous fibers |
Apr. 27, 1976 |
| 3944632 |
Phosphoric acid anilides |
Mar. 16, 1976 |
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