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Class Information
Number: 552/303
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.) > Carbon double bonded directly at the 1- and 4- positions
Description: Compounds wherein the 1- and 4- positions of the cyclohexadiene have carbon double bonded directly thereto.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7179928 |
Synthesis of triphenylphosphonium quinols and quinones |
Feb. 20, 2007 |
| 6828450 |
Triptycene analogs |
Dec. 7, 2004 |
| 6506539 |
Dye complex and optical information recording medium |
Jan. 14, 2003 |
| 6346633 |
Anti-tumuor agents |
Feb. 12, 2002 |
| 6039895 |
Benzoquinoneimines as vinyl aromatic polymerization inhibitors |
Mar. 21, 2000 |
| 5932753 |
Process for producing 2-methyl-1,4-benzoquinone |
Aug. 3, 1999 |
| 5677292 |
Derivatives of estra 1,3,5(10)triene-17-one,3-amino compounds and their use |
Oct. 14, 1997 |
| 5616728 |
Organic charge transfer complex |
Apr. 1, 1997 |
| 5559256 |
Aminediol protease inhibitors |
Sep. 24, 1996 |
| 5281730 |
Substituted tetracyanoquinodimethanes, processes for their preparation and their use |
Jan. 25, 1994 |
| 5030387 |
Organic conductive complex |
Jul. 9, 1991 |
| 4999441 |
Tetrakis(dialkylamino)aromatics and their charge transfer complexes |
Mar. 12, 1991 |
| 4990634 |
Novel tetracyanoanthraquinodimethane derivatives and process for producing same |
Feb. 5, 1991 |
| 4950774 |
2-5,disubstituted-7,7,8,8-tetracyanoquinodimethanes |
Aug. 21, 1990 |
| 4772432 |
7,7,8,8,tetracyanoquinodimethane-2,5-ylene-(3-propionic acid) and derivatives thereof |
Sep. 20, 1988 |
| 4769448 |
Electrically conductive liquid crystalline substance and polymer |
Sep. 6, 1988 |
| 4758381 |
7,7,8,8-tetracyanoquinodimethane and method for preparing the same |
Jul. 19, 1988 |
| 4731449 |
Meltable, electrically conducting TCNQ complexes |
Mar. 15, 1988 |
| 4659177 |
Organic nonlinear optical media |
Apr. 21, 1987 |
| 4640800 |
Quinodimethane compositions |
Feb. 3, 1987 |
| 4518535 |
Preparation of electrically conductive systems from substituted phenalenes, and the products obtained |
May. 21, 1985 |
| 4478751 |
Complex salts having high electric conductivity |
Oct. 23, 1984 |
| 4368140 |
Halogenation process in the presence of cyanoquinone catalyst |
Jan. 11, 1983 |
| 4229364 |
Synthesis of 1,4-bis(dicyanomethylene) cyclohexane |
Oct. 21, 1980 |
| 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 |
| 3953874 |
Organic electronic rectifying devices |
Apr. 27, 1976 |
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