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Class Information
Number: 568/631
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Ethers > Benzene ring containing > Ether oxygen bonded directly to benzene ring > Plural rings containing
Description: Compounds which contain at least two rings.


Sub-classes under this class:

Class Number Class Name Patents
568/647 Halogen containing 141
568/642 Plural benzene rings bonded directly to each other 113
568/640 Plural benzene rings bonded directly to the same carbon 112
568/635 Plural benzene rings bonded directly to the same oxygen 107
568/632 Polycyclo ring system 175
568/644 Polyoxy 163


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7482494 Benzene derivative having long, linear conjugated structure, process for producing benzene derivative, and charge-transport material Jan. 27, 2009
7268252 Binaphthol derivatives and their use in optical resolution or optical transformation Sep. 11, 2007
7220784 Substituted stilbenes and their reactions May. 22, 2007
7179946 Copper complexes and their use Feb. 20, 2007
7126031 Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom Oct. 24, 2006
7122708 High-functionality polyether polyols and preparation thereof Oct. 17, 2006
7115784 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds Oct. 3, 2006
7045660 Compounds as PDE IV and TNF-inhibitors May. 16, 2006
6864397 Difluoromethyl ether derivative and process for producing the same Mar. 8, 2005
6841502 Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom Jan. 11, 2005
6835786 (Meth)acrylate compound and cured product thereof Dec. 28, 2004
6822114 Process for production of fluoroalkoxy-substituted benzamides and their intermediates Nov. 23, 2004
6770463 Process for the preparation of chiral isofluoroenes Aug. 3, 2004
6750372 Process for producing aryl ether Jun. 15, 2004
6703504 Conformationally constrained compounds as dendrimer cores Mar. 9, 2004
6689922 Vitamin D analogues Feb. 10, 2004
6610705 Process for the preparation of diaryl naphthyl methanes Aug. 26, 2003
6608212 Process for preparing vinylaromatic compounds Aug. 19, 2003
6596907 Process for the preparation of 4,4'-dihalogen-o-hydroxydiphenyl compounds Jul. 22, 2003
6583307 Convenient and efficient Suzuki-Miyaura cross-coupling catalyzed by a palladium/diazabutadiene system Jun. 24, 2003
6573278 Aryl sulfonamides and analogues thereof and their use in the treatment of neurodegenerative diseases Jun. 3, 2003
6555287 Non-subliming, difunctionalized ultraviolet dyes for use in anti-reflective coatings Apr. 29, 2003
6552213 Stereoselective route to produce tris-O-substituted-(E)-1-(3,5-dihydroxyphenyl)-2-(4-hydroxyphenyl)ethene, an intermediate in the synthesis of trans-resveratrol Apr. 22, 2003
6552214 Antimicrobial compound Apr. 22, 2003
6541673 Process for oxyalkylating phenolic compounds Apr. 1, 2003
6528676 Estrogenic compounds as anti-mitotic agents Mar. 4, 2003
6444858 Method of reducing flock during alkoxylation Sep. 3, 2002
6433227 USE OF TRIS (TRIFLUORO METHYLSULFONYL) METHANE, IN ADDITION TO ALKALINE METAL SALTS AND ALKALINE-EARTH METAL SALTS THEREOF AS CATALYSTS DURING C-C BONDING SYNTHESES AND THE NOVEL MG SALT OF TR Aug. 13, 2002
6420130 Optical molecular sensors for cytochrome P450 activity Jul. 16, 2002
6379590 Method for making unsymmetrically substituted fluorenyl compounds for nonlinear optical applications Apr. 30, 2002
6369265 Use of a catalyst system comprising nickel, palladium, or platinum and imidazoline-2-ylidene or imidazolidine-2-ylidene in kumada coupling reactions Apr. 9, 2002
6350875 Synthesis of cyclooctatetraene derivatives and their use as electron transporters in organic light emitting diodes Feb. 26, 2002
6333080 Liquid-crystal alkenyltolan derivative, liquid-crystal composition, and liquid-crystal display element Dec. 25, 2001
6323376 Process for preparing alkoxy or arylmethoxy aroxyethanes Nov. 27, 2001
6320081 O-Nitro(thio)phenol derivatives, and their preparation Nov. 20, 2001
6312618 Polar diphenyldiacetylene liquid crystals Nov. 6, 2001
6281250 Retinyl ethers, derivatives and analogues and inhibition of breast carcinogenesis Aug. 28, 2001
6239317 Process for the production of halogeno-o-hydroxydiphenyl compounds May. 29, 2001
6211416 Method for producing enol ethers Apr. 3, 2001
6198008 Process for the preparation of 5-bromo-2-fluorobenzeneboronic acid Mar. 6, 2001
6177154 Alkoxybenzene derivative, liquid-crystal composition, and liquid-crystal display element Jan. 23, 2001
6174459 Difluorophenyl derivative compound, liquid crystal composition and liquid crystal display device Jan. 16, 2001
6166226 Synthesis of aryl ethers Dec. 26, 2000
RE36849 Anisotropic compounds and liquid crystal mixtures therewith Sep. 5, 2000
6080790 Tri-substituted phenyl derivatives and processes for their preparations Jun. 27, 2000
6030746 Di- and triphenyl monoterpene hydrocarbon derivatives, dissolution inhibitors, and chemically amplified positive resist compositions Feb. 29, 2000
6018070 Two-rings-containing phenyl ester compound and anti-perroelectric liquid crystal composition containing the same Jan. 25, 2000
5998673 1, 4-diaryl-2-fluoro-2-butene insecticidal and acaricidal agents Dec. 7, 1999
5962483 Trisubstituted phenyl derivatives and processes for their preparation Oct. 5, 1999
5952386 Dihalopropene compounds, insecticides containing them as active ingredients, and intermediates for their production Sep. 14, 1999

1 2 3 4 5


 
 
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