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Class Information
Number: 552/309
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 donded directly at the 2-, 3-, 5- or 6- position
Description: Compounds wherein carbon is bonded directly to any of the remaining positions of the cyclohexadiene ring (i.e., 2-, 3-, 5-, or 6- position).
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7432305 |
Tail variants of redox-active therapeutics for treatment of mitochondrial diseases and other conditions and modulation of energy biomarkers |
Oct. 7, 2008 |
| 7064124 |
NF-.kappa.B inhibitor containing substituted benzoic acid derivative as active ingredient |
Jun. 20, 2006 |
| 6815565 |
Method for preparing hydroquinones and dihydroxybiphenyl compounds from mixtures of bromophenols and benzoquinones |
Nov. 9, 2004 |
| 6696585 |
Functionalized nanoparticles |
Feb. 24, 2004 |
| 6695617 |
Methods of dental repair using functionalized nanoparticles |
Feb. 24, 2004 |
| 6693221 |
Method of preparing mixtures of bromophenols and benzoquinones |
Feb. 17, 2004 |
| 6506539 |
Dye complex and optical information recording medium |
Jan. 14, 2003 |
| 6410765 |
Methods of making functionalized nanoparticles |
Jun. 25, 2002 |
| 6303801 |
Process for producing alkyl-substituted hydroquinones |
Oct. 16, 2001 |
| 6258974 |
Metal oxide compositions composites thereof and method |
Jul. 10, 2001 |
| 5932753 |
Process for producing 2-methyl-1,4-benzoquinone |
Aug. 3, 1999 |
| 5712402 |
Catalytic applications of mesoporous metallosilicate molecular sieves and methods for their preparation |
Jan. 27, 1998 |
| 5616734 |
Process for the catalytic oxidation of aromatic compounds |
Apr. 1, 1997 |
| 5399277 |
Fuel and lubricant additives derived from dihydroxyaromatic compounds |
Mar. 21, 1995 |
| 5318993 |
Antihyperlipidemic benzoquinones |
Jun. 7, 1994 |
| 5304658 |
Quinone derivatives, their production and use |
Apr. 19, 1994 |
| 5288752 |
Compound effective as cerebral insufficiency improver |
Feb. 22, 1994 |
| 5262552 |
Optically active compounds and intermediates thereof, and process for manufacturing same |
Nov. 16, 1993 |
| 5208391 |
Tetracyano-1,4-hydroquinone and tetracyano-1,4-benzoquinone |
May. 4, 1993 |
| 5180842 |
Purification of quinones |
Jan. 19, 1993 |
| 5180742 |
Quinone derivatives, their production and use |
Jan. 19, 1993 |
| 5175318 |
Process for the preparation of quinones |
Dec. 29, 1992 |
| 5149849 |
Process for the preparation of quinhydrones |
Sep. 22, 1992 |
| 5107003 |
Preparation of quinones by the ceric-catalyzed oxidation of aromatic diols |
Apr. 21, 1992 |
| 5091545 |
Catalytic oxidation of hydroxy containing aromatic compounds |
Feb. 25, 1992 |
| 5075463 |
Preparation of quinones |
Dec. 24, 1991 |
| 5075462 |
Process for the preparation of quinones |
Dec. 24, 1991 |
| 5068367 |
Tetracyano-1,4-hydroquinone and tetracyano-1, 4-benzoquinone |
Nov. 26, 1991 |
| 5041572 |
Preparation of 2,3,5-trimethyl-p-benzoquinone |
Aug. 20, 1991 |
| 4943645 |
Benzoquinone derivatives and production thereof |
Jul. 24, 1990 |
| 4913851 |
Asymmetric synthesis of natural vitamin E. |
Apr. 3, 1990 |
| 4909965 |
Salcomine-catalyzed oxidation of phenols |
Mar. 20, 1990 |
| 4900476 |
Quinone intermediates for asymmetric synthesis of natural vitamin E |
Feb. 13, 1990 |
| 4853186 |
Water-compatible reducible compounds and their use in analytical compositions and methods |
Aug. 1, 1989 |
| 4853156 |
Process for the manufacture of quinone derivatives |
Aug. 1, 1989 |
| 4797357 |
Light-stable reducible compounds and analytical compositions, elements and methods utilizing same |
Jan. 10, 1989 |
| 4632782 |
Oxidizing an organic compound |
Dec. 30, 1986 |
| 4608435 |
Benzo-1,4-quinones |
Aug. 26, 1986 |
| 4590301 |
Polymerization inhibitors |
May. 20, 1986 |
| 4533554 |
Quinone derivatives and use |
Aug. 6, 1985 |
| 4522757 |
Process for oxidizing a phenol to a p-benzoquinone |
Jun. 11, 1985 |
| 4519948 |
Process for oxidizing a phenol to a p-benzoquinone |
May. 28, 1985 |
| 4482493 |
Method for preparing benzoquinones |
Nov. 13, 1984 |
| 4477380 |
Oxidation process of reactive aromatics with reactivation of the catalyst using potassium permanganate |
Oct. 16, 1984 |
| 4394315 |
Method for manufacturing p- and o-benzoquinone derivatives |
Jul. 19, 1983 |
| 4388312 |
Quinone derivatives, their production and use |
Jun. 14, 1983 |
| 4379939 |
Preparation of nitrogen fertilizers from oxalate esters prepared by the oxidative carbonylation of alcohols over noble metal catalysts utilizing regenerable 2,5-cyclohexadiene-1,4-dione oxidan |
Apr. 12, 1983 |
| 4368140 |
Halogenation process in the presence of cyanoquinone catalyst |
Jan. 11, 1983 |
| 4360469 |
Preparation of quinones by salcomine-catalyzed oxidation of phenols |
Nov. 23, 1982 |
| 4292047 |
Benzoquinone and amine reaction product for fuels and mineral oils |
Sep. 29, 1981 |
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