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Class Information
Number: 568/642
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 > Plural benzene rings bonded directly to each other
Description: Compounds which contain at least two benzene rings bonded directly to each other.










Sub-classes under this class:

Class Number Class Name Patents
568/643 Polyoxy 127


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8652353 Liquid crystal carbonate and liquid crystal medium containing the same with positive or negative dielectric anisotropy Feb. 18, 2014
8603359 Four-ring compound having a plurality of CF.sub.2O bonding groups, liquid crystal composition and liquid crystal display device Dec. 10, 2013
8580142 Liquid crystal compound, liquid crystal composition and liquid crystal display device Nov. 12, 2013
8580146 Liquid crystal compound, liquid crystal composition and liquid crystal display device Nov. 12, 2013
8551359 Liquid-crystalline compounds and liquid-crystalline media Oct. 8, 2013
8530689 Processes for the preparation of biphenyl compounds Sep. 10, 2013
8507724 Compounds for use in the treatment of pain Aug. 13, 2013
8415504 Catalyst carrier, catalyst thereon and C-C coupling method use the same Apr. 9, 2013
8372975 Liquid crystal compound having difluoropropenyleneoxy bonding group Feb. 12, 2013
8187494 Four- or five-ring liquid crystal compound having lateral fluorine, liquid crystal composition, and liquid crystal display device May. 29, 2012
8101095 Antiferroelectric orthoconic liquid crystalline material with long pitch and the method of its preparation Jan. 24, 2012
7951432 Five-ring liquid crystal compound having cyclohexane ring, liquid crystal composition, and liquid crystal display device May. 31, 2011
7851032 Liquid crystal composition and liquid crystal display device Dec. 14, 2010
7790929 Chiral phenol derivative, liquid crystal medium containing said chiral phenol derivative Sep. 7, 2010
7767277 Fluorophenyl compounds for liquid-crystalline mixtures Aug. 3, 2010
7527916 Photopolymerizable composition May. 5, 2009
7524992 Carbon-carbon bond creation method comprising the coupling of a transferable group and an acceptor group Apr. 28, 2009
7220783 Para-terphenyl compounds May. 22, 2007
7126031 Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom Oct. 24, 2006
7101915 P-terphenyl compounds Sep. 5, 2006
7091292 Bridged bi-aromatic catalysts, complexes, and methods of using the same Aug. 15, 2006
7074836 Para-terphenyl compounds Jul. 11, 2006
7041856 Coupling catalyst and process using the same May. 9, 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
6784322 Oligomeric and polymeric OLED materials produced via arylation of quinones Aug. 31, 2004
6762330 Catalysis using phosphine oxide and sulfoxide compounds Jul. 13, 2004
6605747 Difluoromethyl ether derivative and process for producing the same Aug. 12, 2003
6586599 Catalyzed coupling reactions of aryl halides with silanes Jul. 1, 2003
6583307 Convenient and efficient Suzuki-Miyaura cross-coupling catalyzed by a palladium/diazabutadiene system Jun. 24, 2003
6444858 Method of reducing flock during alkoxylation Sep. 3, 2002
6417357 Coupling reactions with palladium catalysts Jul. 9, 2002
6291722 Catalysis using phosphine oxide compounds Sep. 18, 2001
6278028 Liquid crystal compounds, mixtures and devices Aug. 21, 2001
6218564 Process for the preparation of substituted aromatic compounds Apr. 17, 2001
RE37087 Insecticidal triffluormethyl alkane derivatives Mar. 6, 2001
6124462 Catalysis using phosphine oxide compounds Sep. 26, 2000
RE36849 Anisotropic compounds and liquid crystal mixtures therewith Sep. 5, 2000
6066766 Process for the preparation of 4-chlorobiphenyls May. 23, 2000
5969147 Substituted biphenyloxazolines Oct. 19, 1999
5827333 Substituted biphenyl ethers and fuel compositions containing the same Oct. 27, 1998
5723621 Process for processing biaryl compound Mar. 3, 1998
5686608 Process for cross-coupling aromatic boron compounds with aromatic halogen compounds or perfluoroalkylsulfonates Nov. 11, 1997
5679285 Vinylene compounds and liquid-crystalline medium Oct. 21, 1997
5599952 Methods of producing carboxylic acid ester derivatives and intermediates for use in the methods Feb. 4, 1997
5550236 Process for cross-coupling aromatic boronic acids with aromatic halogen compounds or perfluoroalkylsulfonates Aug. 27, 1996
5494605 P-terphenyl derivatives and liquid crystalline compositions Feb. 27, 1996
5399291 Liquid crystal compounds having a fluoroether terminal portion Mar. 21, 1995
5397504 Biphenyl compound Mar. 14, 1995
5382380 P-terphenyl derivatives and liquid crystalline compositions Jan. 17, 1995

1 2 3










 
 
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