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Class Information
Number: 568/735
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Hydroxy containing (h of -oh may be replaced by a group ia or iia light metal) > Benzene ring containing > Phenols (h of -oh may be replaced by a group ia or iia light metal) > Additional ring containing > Polycyclo ring system > Bicyclo ring system > Naphthols
Description: Compounds wherein the bicyclo ring system consists of the phenolic nucleus and another benzene ring.










Sub-classes under this class:

Class Number Class Name Patents
568/736 Acyclic hydrocarbyl group bonded directly to the bicyclo ring system 40
568/737 Halogen or polyhydroxy containing 40
568/740 Preparing by dehydrogenation 11
568/738 Preparing from aryl sulfonate 8
568/739 Preparing from compound which includes halogen bonded directly to a benzene ring 10
568/741 Preparing from peroxide or preparing by oxidation 81
568/742 Purification or recovery 14


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7449608 Naphthol derivative and charge control agent comprising the same Nov. 11, 2008
7151070 Chiral catalyst, process for preparing the same and its use in the oxidate coupling of naphthols Dec. 19, 2006
7135590 Gallic acid derivative and process of preparing the same Nov. 14, 2006
6911563 Reaction method utilizing diaphram type catalyst and apparatus therefor Jun. 28, 2005
6838583 Non-halogenated naphthol compounds, antimicrobial compositions containing the same, and the methods of using the same Jan. 4, 2005
6784228 Epoxy resin composition, cured article thereof, novel epoxy resin, novel phenol compound, and process for preparing the same Aug. 31, 2004
6563008 Biphenyl compounds and their use as oestrogenic agents May. 13, 2003
6395904 Binuclear non-heme iron catalysts May. 28, 2002
6252124 Wasteless economic method of production of phenol and acetone Jun. 26, 2001
6090969 Process for the preparation of an asymmetric compound using a metal complex Jul. 18, 2000
5981806 Process for the preparation of hydroxynapthalenes Nov. 9, 1999
5962002 Pesticidal compounds Oct. 5, 1999
5952532 Hydroxylation of aromatics using molecular oxygen as the terminal oxidant without coreductant Sep. 14, 1999
5907069 Production of nabumetone or precursors thereof May. 25, 1999
5892038 Hydroxy-amino acid amides Apr. 6, 1999
5883218 Optically active spirobiindane polymers Mar. 16, 1999
5874588 Process for the preparation of diketopyrrolopyrrolecarboxylic acids and their esters and amides Feb. 23, 1999
5872289 Hydrolysis of carboxylic acid alkyl esters in the liquid phase Feb. 16, 1999
5859067 Use of natural products and related synthetic compounds for the treatment of cardiovascular disease Jan. 12, 1999
5847233 Naphthol derivatives and process for producing the same Dec. 8, 1998
5840999 Asymmetric benzoxanthene dyes Nov. 24, 1998
5798443 Reaction and dissolving medium for peptides and synthesis method using this medium Aug. 25, 1998
5786523 Naphthol derivatives and process for producing the same Jul. 28, 1998
5716624 Polyaromatic propynyl compounds and pharmaceutical/cosmetic compositions comprised thereof Feb. 10, 1998
5543564 Process for releasing acidic organic compounds from salts thereof by carbon dioxide Aug. 6, 1996
5510520 Optical resolution method Apr. 23, 1996
5426243 Process for preparing 1,6-dibromo-2-naphthylene compounds Jun. 20, 1995
5422038 Optically active naphthalene derivative, process for preparation thereof, liquid crystal composition containing the same as effective component, and liquid crystal element using the same Jun. 6, 1995
5420362 Synthesis of 2-methyl-1-naphthol May. 30, 1995
5395962 Optical resolution method Mar. 7, 1995
5256829 Debromination of dibromonaphthols Oct. 26, 1993
5233097 Oxidation of aromatics to hydroxyaromatics using aluminosilicates containing framework titanium Aug. 3, 1993
5180742 Quinone derivatives, their production and use Jan. 19, 1993
5087769 Preparation of 6-substituted-2-vinylnaphthalene Feb. 11, 1992
5043483 Process for the alkylation of phenols Aug. 27, 1991
5041639 Polysubstituted derivatives of naphtalene, their process of preparation and their application in the cosmetic and pharmaceutical fields Aug. 20, 1991
4962241 Process for producing dihydroxynaphthalenes Oct. 9, 1990
4879421 Method for preparing optically active binaphthol and spiroibiindanol Nov. 7, 1989
4861920 Process for the preparation of 2,6-dihydroxynaphthalene Aug. 29, 1989
4820879 Preparation of hydrocarbyloxy magnesium halides Apr. 11, 1989
4783557 Processes for preparing hydroxynaphthalenes Nov. 8, 1988
4652635 Method for converting ether groups to hydroxyl groups and ester groups to acid groups Mar. 24, 1987
4581380 2,6-disubstituted naphthalene derivatives, a process for preparing the same and pharmaceutical and cosmetic compositions containing the same Apr. 8, 1986
4473713 Hydrolysis of aryl-aliphatic ethers Sep. 25, 1984
4460779 Method for preparing 2-lower alkyl-substituted naphthoxazoles by way of non-toxic intermediates Jul. 17, 1984
4346240 Hydrogenation of esters using alkali doped heterogeneous group VIII transition metal catalysts Aug. 24, 1982
4324925 Process for the preparation of polyhydric phenols Apr. 13, 1982
4320235 Preparation of 1-(aralkyl)-2-naphthols Mar. 16, 1982
4316985 Cyclic compounds Feb. 23, 1982
4182915 Preparation of substituted aromatic compounds Jan. 8, 1980

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