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Class Information
Number: 568/607
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Ethers > Plural oxyalkylene groups bonded directly to each other > Benzene ring containing
Description: Compounds which contain a benzene ring.

Sub-classes under this class:

Class Number Class Name Patents
568/608 Ether oxygen bonded directly to a benzene ring 183
568/611 Plural rings containing 45

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8618337 Process for preparing polyether alcohols Dec. 31, 2013
7867952 Flexible polymer, particles prepared therefrom and process for preparing the same Jan. 11, 2011
7781563 Preparing method of methoxypolyethyleneglycol and its derivatives Aug. 24, 2010
7169956 Double metal cyanide complex catalyst, its production process and its utilization Jan. 30, 2007
7125834 Functional substances derived from oligoolefins having functional groups at the ends Oct. 24, 2006
7019177 Process for preparing fluorohalogenethers Mar. 28, 2006
6933063 Spirobifluorene compounds, electroluminescence polymer and electroluminescence element having the same Aug. 23, 2005
6869543 Amine-initiated polyether polyols and a process for their production Mar. 22, 2005
6855844 Phtalic anhydride based polyester-ether polyols and double metal cyanide catalyst system for preparing same Feb. 15, 2005
6835856 Process for preparing fluorohalogenethers Dec. 28, 2004
6583308 Short-chain polymeric yellow cyanoester-derivative colorants and articles comprising such colorants Jun. 24, 2003
6569352 Phthalic anhydride based polyester-ether polyols and urethane prepolymers produced therefrom May. 27, 2003
6552091 Block-copolymeric polyalkylene oxides containing styrene oxide, obtained by alkoxylation, and their use Apr. 22, 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
6444858 Method of reducing flock during alkoxylation Sep. 3, 2002
6410801 Continuous process for the production of polyether polyols Jun. 25, 2002
6320085 Process for the preparation of benzyl-ethers Nov. 20, 2001
6303533 Process for preparing two-metal cyanide catalysts Oct. 16, 2001
6291704 Polymerizable halogenated vinyl ethers Sep. 18, 2001
6281393 Polyols useful for preparing water blown rigid polyurethane foam Aug. 28, 2001
6248889 Process for converting an alcohol to the corresponding fluoride Jun. 19, 2001
6022937 Polyether polyols based on triazole group containing compounds and a process for their production Feb. 8, 2000
6002049 Polymeric thickeners for aqueous compositions Dec. 14, 1999
5945393 Nonionic gemini surfactants Aug. 31, 1999
5889092 Method of modifying the rheological properties of latex paint Mar. 30, 1999
5885952 Multifunctional detergent base Mar. 23, 1999
5885951 Aqueous solution for tile, tub and grout cleaning Mar. 23, 1999
5877214 Polyaryl-poly(ethylene glycol) supports for solution-phase combinatorial synthesis Mar. 2, 1999
5786379 Adamantyl-substituted biaromatic compounds and pharmaceutical/cosmetic compositions comprised thereof Jul. 28, 1998
5728796 Process to react epoxide-containing compounds and aliphatic alcohols Mar. 17, 1998
5728895 Polymeric thickeners for aqueous compositions Mar. 17, 1998
5723694 Process for preparing monomethylated or dimethylated phenols Mar. 3, 1998
5714638 Preparation of polyoxyalkylene glycol monoether of tert-butyl alcohol and product Feb. 3, 1998
5714639 Double metal cyanide catalysts and methods for making them Feb. 3, 1998
5659068 Preparation of polyoxyalkylene glycol monoesters of monocarboxylic acids Aug. 19, 1997
5621133 Dopamine agonists Apr. 15, 1997
5591884 Dopamine agonists Jan. 7, 1997
5576275 Oil soluble polyalkylene glycols Nov. 19, 1996
5456847 Low foaming, nonsilicone aqueous textile auxiliary compositions and the preparation and use thereof Oct. 10, 1995
5440060 Surface-active compounds based on alkoxylated fatty amines Aug. 8, 1995
5416240 Preparation of poloxy-alkylene glycols May. 16, 1995
5414143 Preparation of polyoxyalkylene glycol monoethers of monohydric alcohols May. 9, 1995
5366517 Fuel additive compositions containing poly(oxyalkylene) hydroxyaromatic ethers and poly(oxyalkylene) amines Nov. 22, 1994
5356893 Benzanilide derivatives Oct. 18, 1994
5342903 Process for the preparation of adducts of epoxides and alcohols Aug. 30, 1994
5321164 Use in perfumery of 2(1-vinyl-5-hexenyl) cyclopentanone, a process for preparing same, and process intermediates Jun. 14, 1994
5210322 Processes for the preparation of ethers May. 11, 1993
5196569 Functionalized trifluorovinyl ethers and polymers therefrom Mar. 23, 1993
5189204 Optical active 3-(2-trifluoro-1-hydroxyethyl) propenyl benzyl ether, derivatives thereof, method for preparing the same and use thereof for liquid crystal compound Feb. 23, 1993
5183923 Process for preparing primary hydroxyl-containing diols Feb. 2, 1993

1 2 3

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