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Class Information
Number: 552/304
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- or 4- position
Description: Compounds wherein the 1- or 4- position of the cyclohexadiene has carbon double bonded directly thereto.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7083883 |
Polymer having stilbenquinone structure and electrophotographic photoreceptor containing the same |
Aug. 1, 2006 |
| 6891072 |
Process for production of dimers or aromatic monohydroxyl compounds |
May. 10, 2005 |
| 6280893 |
Electrophotographic photoreceptor |
Aug. 28, 2001 |
| 5863688 |
Naphthoquinone derivative |
Jan. 26, 1999 |
| 5466839 |
Preparation of p-fuchsones and synthesis of p-dihydroxylated aromatic compounds therefrom |
Nov. 14, 1995 |
| 5466839 |
Preparation of p-fuchsones and synthesis of p-dihydroxylated aromatic compounds therefrom |
Nov. 14, 1995 |
| 5374749 |
Red dye and its solution |
Dec. 20, 1994 |
| 5372996 |
Method of treatment of androgen-related diseases |
Dec. 13, 1994 |
| 5328819 |
Silver halide photographic material containing isomethine dyes |
Jul. 12, 1994 |
| 5283347 |
Dye and its solution |
Feb. 1, 1994 |
| 5176976 |
Organic electronic material and electrophotographic photosensitive member containing same |
Jan. 5, 1993 |
| 5130356 |
Molding for optical purposes |
Jul. 14, 1992 |
| 5095130 |
Novel 23-keto-steroids |
Mar. 10, 1992 |
| 5013857 |
Process for the preparation of sulpho-free triphenyl-methane dyestuffs |
May. 7, 1991 |
| 5011956 |
Polymer latexes containing metal ions and complexes |
Apr. 30, 1991 |
| 4915875 |
Oxidation products of paramethyl-substituted hindered phenols |
Apr. 10, 1990 |
| 4909966 |
Naphthoquinone derivatives |
Mar. 20, 1990 |
| 4397785 |
Preparation of 3,3'5,5'-tetratertiary butyl diphenoquinone |
Aug. 9, 1983 |
| 4354048 |
Copper chromite catalysts for oxidative coupling of phenols |
Oct. 12, 1982 |
| 4354047 |
Nickel catalysts for oxidative coupling of phenols |
Oct. 12, 1982 |
| 4243601 |
Cyano substituted diphenoquinones and a process for preparing them |
Jan. 6, 1981 |
| 4234706 |
Quinone-coupled polyphenylene oxides |
Nov. 18, 1980 |
| 4216158 |
Process for the preparation of 2,6-di-tert.-alkyl-4-alkylidene-2,5-cyclohexadien-ones |
Aug. 5, 1980 |
| 4201639 |
Processes for preparing cyclohexadiene derivatives |
May. 6, 1980 |
| 4195189 |
Preparation of biphenols by the oxidative coupling of alkylphenols |
Mar. 25, 1980 |
| 4180686 |
Oxidative coupling of alkylphenols |
Dec. 25, 1979 |
| 4140675 |
Process of forming quinone-coupled polyphenylene oxides |
Feb. 20, 1979 |
| 4139544 |
Oxidative coupling of alkylphenols catalyzed by metal complexes of polyimino acids |
Feb. 13, 1979 |
| 4133821 |
Alkylidenediquinocyclopropanes and Diarylcyclopropenes and method for preparation |
Jan. 9, 1979 |
| 4132722 |
Oxidative coupling of alkylphenols catalyzed by metal complexes of diimino acid |
Jan. 2, 1979 |
| 4108908 |
Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of thio-acid compounds |
Aug. 22, 1978 |
| 4101561 |
Oxidative coupling of alkylphenols catalyzed by metal complexes of imino acid compounds |
Jul. 18, 1978 |
| 4100202 |
Oxidative coupling of alkylphenols or 1-naphthols catalyzed by cupric complexes |
Jul. 11, 1978 |
| 4100203 |
Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of an oxime of a keto or aldehyde compound |
Jul. 11, 1978 |
| 4100204 |
Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of a hydroxy- or keto-acid compound |
Jul. 11, 1978 |
| 4100205 |
Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of aminoketo compounds |
Jul. 11, 1978 |
| 4100206 |
Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of keto alcohol compounds |
Jul. 11, 1978 |
| 4098830 |
Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of dicarboxylic acid compounds |
Jul. 4, 1978 |
| 4098766 |
Method of oxidatively coupling alkyl phenols utilizing a tetravalent manganese-carbon catalyst |
Jul. 4, 1978 |
| 4096190 |
Oxidative coupling of alkylphenols catalyzed by metal ammonia complexes |
Jun. 20, 1978 |
| 4086253 |
3,3',5,5'-Tetra-substituted diphenoquinone from 2,6-disubstituted phenol by phase-transfer catalysis |
Apr. 25, 1978 |
| 4085124 |
Oxidative coupling of alkylphenols, alkoxyphenols and 1-naphthols catalyzed by metal complexes of amino compounds |
Apr. 18, 1978 |
| 4070383 |
Oxidative coupling of phenols and naphthols |
Jan. 24, 1978 |
| 4067890 |
Oxidative coupling of alkylphenols, alkoxyphenols and naphthols catalyzed by metal complexes of amino carboxylic and amino sulfonic acids |
Jan. 10, 1978 |
| 4052209 |
Semiconductive and sensitized photoconductive compositions |
Oct. 4, 1977 |
| 4032547 |
Quinone alkide synthesis system |
Jun. 28, 1977 |
| 4012529 |
Control of marine borer attack on wood |
Mar. 15, 1977 |
| 3956403 |
Brominated biphenols |
May. 11, 1976 |
| 3935247 |
Oxidation of alkylated phenols to p-benzoquinones |
Jan. 27, 1976 |
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