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Class Information
Number: 552/296
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.) > Polycyclo ring system having the cyclohexadiene as one of the cyclos > Oxygen double bonded directly at the 1- and 4- positions
Description: Compounds wherein oxygen is double bonded directly at the 1- and 4- positions.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7439402 |
Method for producing quinone compound |
Oct. 21, 2008 |
| 7060686 |
Anti-inflammatory compounds derived from Pseudopterogorgia elisabethae |
Jun. 13, 2006 |
| 6846941 |
Process for separating unsaponifiable valuable products from raw materials |
Jan. 25, 2005 |
| 6828450 |
Triptycene analogs |
Dec. 7, 2004 |
| 6787571 |
Anti-inflammatory compounds derived from Pseudopterorgorgia elisabethae |
Sep. 7, 2004 |
| 6500972 |
Synthesis of TMBQ with transition metal-containing molecular sieve as catalysts |
Dec. 31, 2002 |
| 6365762 |
Method for catalytic and selective oxidation of aromatic compounds |
Apr. 2, 2002 |
| 6346634 |
Chemical compound containing a superoxide scavenger and an organic nitrate or nitrite moiety |
Feb. 12, 2002 |
| 6180804 |
Reversion of expoxide in the production of Hydrogen peroxide |
Jan. 30, 2001 |
| 6162799 |
Pesticidal compounds |
Dec. 19, 2000 |
| 6103700 |
Fluoro labelled anthracyclinone and anthracycline derivatives |
Aug. 15, 2000 |
| 5977389 |
Naphthoquinone derivative |
Nov. 2, 1999 |
| 5710292 |
Process for the selective oxidation of aromatic compounds |
Jan. 20, 1998 |
| 5639718 |
Multifunctional viscosity modifiers for lubricating oil compositions with improved dispersancy and antioxidancy derived from adducts of quinone |
Jun. 17, 1997 |
| 5616734 |
Process for the catalytic oxidation of aromatic compounds |
Apr. 1, 1997 |
| 5608092 |
1,4,4.sub.a 5,8,9.sub.a -hexahydro-1.alpha.,4.alpha.-methanoan-thraquinone derivative(s) |
Mar. 4, 1997 |
| 5304658 |
Quinone derivatives, their production and use |
Apr. 19, 1994 |
| 5187195 |
Anthraquinone derivatives and preparation thereof |
Feb. 16, 1993 |
| 5175318 |
Process for the preparation of quinones |
Dec. 29, 1992 |
| 5153339 |
Process for separation of naphthoquinone and phthalic acid |
Oct. 6, 1992 |
| 5149849 |
Process for the preparation of quinhydrones |
Sep. 22, 1992 |
| 5049236 |
Lignin derived quinonic compound mixtures useful for the delignification of cellulosic materials |
Sep. 17, 1991 |
| 4960914 |
Method for the preparation of naphthoquinone |
Oct. 2, 1990 |
| 4952495 |
Hydrolyzable compounds which release electron transfer agents and analytical use of same |
Aug. 28, 1990 |
| 4701245 |
Oxidation of organic compounds using a catalyzed cerium (IV) composition |
Oct. 20, 1987 |
| 4678583 |
Use of hydrates for aqueous solution treatment |
Jul. 7, 1987 |
| 4670108 |
Oxidation of organic compounds using ceric methanesulfonate in an aqueous organic solution |
Jun. 2, 1987 |
| 4647349 |
Oxidation of organic compounds using ceric ions in aqueous trifluoromethanesulfonic acid |
Mar. 3, 1987 |
| 4639298 |
Oxidation of organic compounds using ceric ions in aqueous methanesulfonic acid |
Jan. 27, 1987 |
| 4632782 |
Oxidizing an organic compound |
Dec. 30, 1986 |
| 4536337 |
Process for the preparation of quinones |
Aug. 20, 1985 |
| 4515664 |
Electro organic method |
May. 7, 1985 |
| 4394315 |
Method for manufacturing p- and o-benzoquinone derivatives |
Jul. 19, 1983 |
| 4369140 |
Process for producing hydroanthraquinones |
Jan. 18, 1983 |
| 4360469 |
Preparation of quinones by salcomine-catalyzed oxidation of phenols |
Nov. 23, 1982 |
| 4284576 |
Preparation of anthraquinone from tetrahydroanthraquinone |
Aug. 18, 1981 |
| 4203906 |
Process for catalytic vapor phase oxidation |
May. 20, 1980 |
| 4202828 |
Process for separation of naphthoquinone and phthalic acid |
May. 13, 1980 |
| 4161481 |
Process for the isolation of purified anthraquinone |
Jul. 17, 1979 |
| 4155922 |
Process for the purification of crude anthraquinone |
May. 22, 1979 |
| 4145353 |
Process for removing 1,4-naphthoquinone from phthalic anhydride |
Mar. 20, 1979 |
| 4111967 |
Silicon containing catalysts |
Sep. 5, 1978 |
| 4038293 |
Silicone-compatible tris(trimethylsilyloxy)silylalkylamino-substituted quinoncid dyestuffs |
Jul. 26, 1977 |
| 4035399 |
Process for the preparation of 1,4-naphthoquinone |
Jul. 12, 1977 |
| 4033987 |
Isolating naphthoquinone and phthalic anhydride from naphthalene oxidation product |
Jul. 5, 1977 |
| 4032548 |
Process for preparing 1,4-naphthoquinone |
Jun. 28, 1977 |
| 3987068 |
Oxidation of monohydroxy aryl compounds to 1,4-quinones |
Oct. 19, 1976 |
| 3966776 |
Process for preparing parabenzoquinones |
Jun. 29, 1976 |
| 3941811 |
Oxidation process |
Mar. 2, 1976 |
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