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Class Information
Number: 568/624
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 > Acyclic > Hydroxy containing (h of -oh may be replaced by a group ia or iia light metal) > Polyhydroxy containing > Plural diverse oxyalkylene groups containing
Description: Compounds which include two or more different oxyalkylene groups.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8703684 Aqueous lubricant Apr. 22, 2014
8692030 Biobased-petrochemical hybrid polyols Apr. 8, 2014
8530602 Polyether polyol composition and use thereof Sep. 10, 2013
8501998 Method for producing polyoxyalkylene derivative and polyoxyalkylene derivative Aug. 6, 2013
8481788 Process for producing polyalkylene oxide Jul. 9, 2013
8378054 Method for producing polyaryl ethers Feb. 19, 2013
8378144 Process for preparing polyoxymethylene homopolymers or copolymers by homopolymerization or copolymerization of trioxane, starting from methanol Feb. 19, 2013
8367876 Method for producing polyether Feb. 5, 2013
8354559 Process for purifying polyether Jan. 15, 2013
8293866 Method of producing a poly (ethylene oxide) copolymerised with at least one other alkylene oxide Oct. 23, 2012
8071712 Multibranched polyoxyalkylene derivative Dec. 6, 2011
8058388 Process for alkoxylation with DMC catalysts in a loop reactor with ejector Nov. 15, 2011
8053607 Method for producing polyether-polyol having narrow molecular weight distribution Nov. 8, 2011
8017814 Process for the preparation of polyether polyols Sep. 13, 2011
7586011 Method for the production of tetrahydrofuran copolymers Sep. 8, 2009
7361793 Method for producing tetrahydrofuran copolymers Apr. 22, 2008
7226988 Method of forming polyetherols in the presence of carboxy-modified aluminum-based catalysts Jun. 5, 2007
7223890 Isocyanate reactive mixture and process for preparing same May. 29, 2007
7202225 Therapeutic delivery compositions and methods of use thereof Apr. 10, 2007
7022884 Preparation of polyetherpolyols in the presence of a multimetal cyanide complex catalyst Apr. 4, 2006
7015364 Process for preparing polyether polyols Mar. 21, 2006
6977045 Process for the fractionation of polymers Dec. 20, 2005
6933286 Therapeutic delivery compositions and methods of use thereof Aug. 23, 2005
6919486 Polyetherols produced using aluminium phosphonate catalysts Jul. 19, 2005
6884826 Process for preparing double metal cyanide catalyzed polyols Apr. 26, 2005
6878661 Bimetallic-cyanide catalysts used for preparing polyether polyols Apr. 12, 2005
6875748 Compositions and methods for in vivo delivery of polynucleotide-based therapeutics Apr. 5, 2005
6815467 Methods for producing a polyol and a polymer dispersed polyol Nov. 9, 2004
6812367 Polyethylene glycol and process for producing the same Nov. 2, 2004
6806393 Multimetal cyanide compounds, their preparation and their use Oct. 19, 2004
6770684 Production of flexible polyurethane foams Aug. 3, 2004
RE38558 Polyoxypropylene/polyoxyethylene copolymers with improved biological activity Jul. 20, 2004
6761824 Process for the fractionation of polymers Jul. 13, 2004
6753402 Polyester-polyether block copolymers Jun. 22, 2004
6747064 Polyoxypropylene/polyoxyethylene copolymers with improved biological activity Jun. 8, 2004
6717019 Glycidyl ether-capped acetylenic diol ethoxylate surfactants Apr. 6, 2004
6664428 Method of producing polyetherpolyols Dec. 16, 2003
6653441 Method for production of polyether alcohols Nov. 25, 2003
6608231 Double-metal cyanide catalysts for producing polyether polyols Aug. 19, 2003
6586564 Double-metal cyanide catalysts for preparing polyether polyols Jul. 1, 2003
6540942 Nonaqueous compositions and additives therefor Apr. 1, 2003
6515036 Method of decomposing a polyurethane Feb. 4, 2003
6465605 Branched polymeric surfactant reaction products, methods for their preparation, and uses therefor Oct. 15, 2002
6441247 Method for preparing polyether polyols Aug. 27, 2002
6403842 Processes for producing poly(alkylene ether) glycol Jun. 11, 2002
6359014 Polyoxypropylene/polyoxyethylene copolymers with improved biological activity Mar. 19, 2002
6350920 Method for preparing polyether polyols Feb. 26, 2002
6323375 Crystalline double metal cyanide catalysts for producing polyether polyols Nov. 27, 2001
6313060 Catalyst for ring-opening polymerization of alkylene oxide, method for preparation thereof and use thereof Nov. 6, 2001
6303833 Multi-metal cyanide complexes as catalysts and their use in preparing polyetherpolyols Oct. 16, 2001

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