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Class Information
Number: 552/301
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- and 4- positions
Description: Compounds wherein the 1- and 4- positions of the cyclohexadiene have nitrogen double bonded directly thereto.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6828450 |
Triptycene analogs |
Dec. 7, 2004 |
| 6384249 |
Compounds and methods for stabilization of furfural compositions |
May. 7, 2002 |
| 6187937 |
Preparation of N-phenyl-benzoquinoneimine from hydroxydiphenylamines |
Feb. 13, 2001 |
| 6147239 |
Process for preparing n, n'-disubstituted p-quinonediimines, their use and organosilanes containing methacryloxy or acryloxy groups, processes for their stabilization and their preparation |
Nov. 14, 2000 |
| 6114554 |
Preparation of quinonediimines from phenylenediamines using a hypochlorite as an oxidation agent |
Sep. 5, 2000 |
| 6071908 |
Radiation-activated cytotoxin therapy of neoplastic disease |
Jun. 6, 2000 |
| 6025508 |
Preparation of quinonediimines from phenylenediamines using oxygen and a metal or metal salt catalyst |
Feb. 15, 2000 |
| 5959126 |
Formation of quinonedimines from phenylenediamines by catalytic oxidation |
Sep. 28, 1999 |
| 5919846 |
Colorant having isocyanate substituent |
Jul. 6, 1999 |
| 5847171 |
Molecular organic compound with ferromagnetic properties and a method of producing it |
Dec. 8, 1998 |
| 5840935 |
Unsaturated polymerizable TTF, TCNQ and DCQDI monomers |
Nov. 24, 1998 |
| 5714622 |
Molecular organic compound with ferromagnetic properties and a method of producing it |
Feb. 3, 1998 |
| 5053540 |
Preparation of a para-aminodiphenylamine |
Oct. 1, 1991 |
| 4999441 |
Tetrakis(dialkylamino)aromatics and their charge transfer complexes |
Mar. 12, 1991 |
| 4578220 |
Charge transfer complexes of tetrathio/seleno-fulvalene derivatives and biscyanimine derivatives; biscyanimine derivatives and method for producing same |
Mar. 25, 1986 |
| 4246181 |
Quinonediimine intermediates for indoanilines |
Jan. 20, 1981 |
| 4201638 |
Triple ions of 1,2- and 1,4-dicarbonyl compounds and analogs thereof containing nitrogen and containing two strategic oxygen or nitrogen groups and process for producing same |
May. 6, 1980 |
| 4023926 |
Diaminobenzoquinones in hair dye compositions |
May. 17, 1977 |
| 4007747 |
N-monosubstituted indoanilines as dyestuffs for keratinic fibers |
Feb. 15, 1977 |
| 3984443 |
Indamines for dyeing keratinic fibers |
Oct. 5, 1976 |
| 3972905 |
Quinonemonoxime-arylacylhydrazones |
Aug. 3, 1976 |
| 3963498 |
Silver halide element containing an organic semiconductor |
Jun. 15, 1976 |
| 3962290 |
Process for N,N,N',N'-tetraarylquinone diimonium salts |
Jun. 8, 1976 |
| 3953874 |
Organic electronic rectifying devices |
Apr. 27, 1976 |
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