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Class Information
Number: 552/293
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.)
Description: Compounds under Class 532, ... , wherein atoms are double bonded directly at the 1- and 4- positions of a cyclohexadiene ring.
Sub-classes under this class:
| Class Number |
Class Name |
Patents |
| 552/309 |
Carbon donded directly at the 2-, 3-, 5- or 6- position |
58 |
| 552/303 |
Carbon double bonded directly at the 1- and 4- positions |
26 |
| 552/304 |
Carbon double bonded directly at the 1- or 4- position |
48 |
| 552/308 |
Halogen bonded directly at the 2-, 3-, 5-, or 6- position |
27 |
| 552/306 |
Nitrogen bonded directly at the 2-, 3-, 5- or 6- position |
11 |
| 552/301 |
Nitrogen double bonded directly at the 1- and 4- positions |
24 |
| 552/302 |
Nitrogen double bonded directly at the 1- or 4- positions |
46 |
| 552/307 |
Oxygen bonded directly at the 2-, 3-, 5-, or 6- position |
56 |
| 552/294 |
Phosphorus, heavy metal or aluminum containing |
16 |
| 552/295 |
Polycyclo ring system having the cyclohexadiene as one of the cyclos |
22 |
| 552/305 |
Sulfur bonded directly at the 2-, 3-, 5- or 6- position |
4 |
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7528271 |
Intermediates, process for their preparation and synthesis of 1,4-benzoquiones |
May. 5, 2009 |
| 7495097 |
Rhodium quinonoid catalysts |
Feb. 24, 2009 |
| 7432305 |
Tail variants of redox-active therapeutics for treatment of mitochondrial diseases and other conditions and modulation of energy biomarkers |
Oct. 7, 2008 |
| 7355055 |
Compounds for treatment of lipase-mediated diseases |
Apr. 8, 2008 |
| 7253207 |
Quinones as disease therapies |
Aug. 7, 2007 |
| 7145044 |
Method of producing reduced coenzyme Q.sub.10 using solvent with high oxidation-protective effect |
Dec. 5, 2006 |
| 7122543 |
Substituted benzoic acid derivatives having NF-.kappa.B inhibiting action |
Oct. 17, 2006 |
| 7105709 |
Method of producing reduced coenzyme q10 |
Sep. 12, 2006 |
| 7070625 |
Agent and method for coloring keratin fibers containing 2-benzothiazolinone-hydrazone and quinone derivatives |
Jul. 4, 2006 |
| 7064124 |
NF-.kappa.B inhibitor containing substituted benzoic acid derivative as active ingredient |
Jun. 20, 2006 |
| 7022441 |
Silver-free black-and-white thermographic materials containing a benzoquinone and methods of imaging |
Apr. 4, 2006 |
| 7002047 |
Biocatalytic synthesis of quinic acid and conversion to hydroquinone |
Feb. 21, 2006 |
| 6943196 |
NF-.kappa.B inhibitor comprising phenylmethyl benzoquinone as the active ingredient |
Sep. 13, 2005 |
| 6872857 |
Process for conversion of phenol to hydroquinone and quinones |
Mar. 29, 2005 |
| 6815565 |
Method for preparing hydroquinones and dihydroxybiphenyl compounds from mixtures of bromophenols and benzoquinones |
Nov. 9, 2004 |
| 6693221 |
Method of preparing mixtures of bromophenols and benzoquinones |
Feb. 17, 2004 |
| 6600077 |
Biocatalytic synthesis of quinic acid and conversion to hydroquinone |
Jul. 29, 2003 |
| 6506915 |
Synthesis of coenzyme Q10 ubiquinone |
Jan. 14, 2003 |
| 6346633 |
Anti-tumuor agents |
Feb. 12, 2002 |
| 6303801 |
Process for producing alkyl-substituted hydroquinones |
Oct. 16, 2001 |
| 6280893 |
Electrophotographic photoreceptor |
Aug. 28, 2001 |
| 5932753 |
Process for producing 2-methyl-1,4-benzoquinone |
Aug. 3, 1999 |
| 5869522 |
Antiviral naphthoquinone compounds, compositions and uses thereof |
Feb. 9, 1999 |
| 5686635 |
Tetrahydro-alkenyl-methanonaphthalene-5,8-dione derivatives |
Nov. 11, 1997 |
| 5672725 |
Process for preparing quinones |
Sep. 30, 1997 |
| 5616734 |
Process for the catalytic oxidation of aromatic compounds |
Apr. 1, 1997 |
| 5476955 |
Process for the preparation of a quinone derivative |
Dec. 19, 1995 |
| 5318993 |
Antihyperlipidemic benzoquinones |
Jun. 7, 1994 |
| 5262552 |
Optically active compounds and intermediates thereof, and process for manufacturing same |
Nov. 16, 1993 |
| 5220042 |
1,4-benzoquinone derivatives and benzene derivatives, and process for preparing the same |
Jun. 15, 1993 |
| 5180842 |
Purification of quinones |
Jan. 19, 1993 |
| 5180400 |
Method for dyeing keratinous fibres using an aminoindole in combination with a quinone derivative |
Jan. 19, 1993 |
| 5149849 |
Process for the preparation of quinhydrones |
Sep. 22, 1992 |
| 5118823 |
Oxidation of dihydroxyaromatic compounds to quinones |
Jun. 2, 1992 |
| 5110995 |
Preparation of phenol or phenol derivatives |
May. 5, 1992 |
| 5107003 |
Preparation of quinones by the ceric-catalyzed oxidation of aromatic diols |
Apr. 21, 1992 |
| 5104874 |
Benzoquinone antiallergy and antinflammatory agents |
Apr. 14, 1992 |
| 5053053 |
Process for dyeing keratinous fibres with a hydroxyindole in combination with a quinone derivative; and novel 1,4-benzoquinones |
Oct. 1, 1991 |
| 4973720 |
Process for the preparation of p-benzoquinone |
Nov. 27, 1990 |
| 4853186 |
Water-compatible reducible compounds and their use in analytical compositions and methods |
Aug. 1, 1989 |
| 4772755 |
1,2-1,4 addition reaction sequence leading to disubstituted acelylenes |
Sep. 20, 1988 |
| 4568494 |
Process for the preparation of TCNQ complexes |
Feb. 4, 1986 |
| 4522757 |
Process for oxidizing a phenol to a p-benzoquinone |
Jun. 11, 1985 |
| 4482493 |
Method for preparing benzoquinones |
Nov. 13, 1984 |
| 4478752 |
Process for oxidizing phenol to p-benzoquinone |
Oct. 23, 1984 |
| 4442036 |
Process for oxidizing phenol to benzoquinone |
Apr. 10, 1984 |
| 4317745 |
Catalytic oxidation of phenols to 1,4-benzoquinones |
Mar. 2, 1982 |
| 4292047 |
Benzoquinone and amine reaction product for fuels and mineral oils |
Sep. 29, 1981 |
| T100903 |
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 |
Aug. 4, 1981 |
| 4257851 |
Purification of naphthoquinone |
Mar. 24, 1981 |
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