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Class Information
Number: 568/640
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 the same carbon
Description: Compounds wherein two or more benzene rings are bonded directly to the same carbon.

Sub-classes under this class:

Class Number Class Name Patents
568/641 Polyoxy and halogen containing 78

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8618321 Derivatives of tris(2-hydroxyphenyl)methane, their preparation and use Dec. 31, 2013
8541624 Palladium catalyst and process for production of bisaryl compound using same Sep. 24, 2013
8378148 Alcoholic hydroxyl-containing compounds and making method Feb. 19, 2013
8318699 Tumor necrosis factor inhibitors Nov. 27, 2012
8293947 Method for the preparation of therapeutically valuable triphenylbutene derivatives Oct. 23, 2012
8110710 Process for producing bis-alkoxylated diols of bisphenol a from spent polycarbonate discs(PC) or PC waste Feb. 7, 2012
8043789 Photosensitive compound and photoresist composition including the same Oct. 25, 2011
7951877 Process for the production of vinyl compound May. 31, 2011
7910284 Materials for photoresist, photoresist composition and method of forming resist pattern Mar. 22, 2011
7538249 Tolterodine, compositions and uses thereof, and preparation of the same May. 26, 2009
7371887 Oligo(p-phenylene vinylene) amphiphiles and methods for self-assembly May. 13, 2008
7193019 Process for the production of vinyl compound Mar. 20, 2007
7122708 High-functionality polyether polyols and preparation thereof Oct. 17, 2006
6864397 Difluoromethyl ether derivative and process for producing the same Mar. 8, 2005
6806395 Process for preparation of 3,5-bisalkylphenols Oct. 19, 2004
6790868 Non-halogenated phenoxy and/or benzyloxy substituted phenols, antimicrobial compositions containing the same, and methods of using the same Sep. 14, 2004
6767923 Benzhydryl derivatives Jul. 27, 2004
6670512 Substituted tetraarylethylene compounds Dec. 30, 2003
6541673 Process for oxyalkylating phenolic compounds Apr. 1, 2003
6281250 Retinyl ethers, derivatives and analogues and inhibition of breast carcinogenesis Aug. 28, 2001
6211416 Method for producing enol ethers Apr. 3, 2001
6207835 Process for the preparation of arylmetal compounds and their reaction with electrophilic reagents Mar. 27, 2001
6093517 Calixarenes for use as dissolution inhibitors in lithographic photoresist compositions Jul. 25, 2000
5780403 Ash-free detergents their preparation and use in lubricating oil compositions Jul. 14, 1998
5618984 Phenol aralkyl resins, preparation process thereof and epoxy resin compositions Apr. 8, 1997
5510540 Polyfunctional vinyl ether compound and photoresist resin composition containing the same Apr. 23, 1996
5493050 Diphenyl dialkyl methane surfactants Feb. 20, 1996
5463133 Phenethyl alcohol derivative and recording material containing the same Oct. 31, 1995
5386058 Method of producing polymethine dyes Jan. 31, 1995
5362822 Mesogenic adducts Nov. 8, 1994
5288923 Preparation of ethers of diphenols Feb. 22, 1994
5258410 Aromatic compounds, their production processes and their compositions for the control of insect pests Nov. 2, 1993
5250742 Process for the production of propargyl ethers and new propargyl ethers Oct. 5, 1993
5243087 Pyridine derivatives, their production processes and their compositions for the control of insect pests Sep. 7, 1993
5242996 Modified epoxy resins having acetylenically unsaturated functions Sep. 7, 1993
5235091 Process for preparing diphenylmethane compounds Aug. 10, 1993
5151531 Dihydric phenols Sep. 29, 1992
5132437 Synthesis of 1-aminoanthraquinone Jul. 21, 1992
5130435 Preparation of vinyl ethers Jul. 14, 1992
5117010 Process for the preparation of addition products of epoxides and alcohols May. 26, 1992
5091416 Insecticidal compounds Feb. 25, 1992
5070117 Aromatic vinyl ether compounds and compositions, and method of making the same Dec. 3, 1991
5068457 Method for making hydroxy-terminated arylene ethers Nov. 26, 1991
5059723 Hydroxyalkylation of phenols or thiophenols with cyclic organic carbonates using triorganophosphine catalysts Oct. 22, 1991
5012004 Ether compounds and their production, and insecticidal and/or acaricidal compositions containing them Apr. 30, 1991
5004842 Aromatic vinyl ether compounds and compositions, and method of making the same Apr. 2, 1991
4999448 Method of preparing bis-phenol ethers Mar. 12, 1991
4997989 Tert-butylalkynols Mar. 5, 1991
4987272 Dipropargyl ether of alpha, alpha'-bis (4-hydroxypenyl)-paradiisopropylbenzene Jan. 22, 1991
4954582 Benzyloxy vinyl ethers Sep. 4, 1990

1 2 3

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