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Class Information
Number: 568/620
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 > Preparing from organic hydroxy containing compound (h of -oh may be replaced by a group ia or iia light metal) > From polyhydroxy containing compound > And cyclic ether
Description: Processes which include preparing the compound by reacting an organic polyhydroxy containing compound and a cyclic ether.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8692030 Biobased-petrochemical hybrid polyols Apr. 8, 2014
8680002 Double metal cyanide catalyst having a controlled reactivity for preparing a polyol and preparation thereof Mar. 25, 2014
8674146 Method for producing alkylene oxide addition products Mar. 18, 2014
8519196 C10 alkanolalkoxylate mixtures and use thereof as novel low-foaming wetting agents Aug. 27, 2013
8501998 Method for producing polyoxyalkylene derivative and polyoxyalkylene derivative Aug. 6, 2013
8461285 Process for preparing polyether polyols Jun. 11, 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
8344098 Processes for producing polytrimethylene ether glycol and copolymers thereof Jan. 1, 2013
8334323 Alkylene oxide-capped secondary alcohol alkoxylates useful as surfactants Dec. 18, 2012
8293866 Method of producing a poly (ethylene oxide) copolymerised with at least one other alkylene oxide Oct. 23, 2012
8247526 Process for the preparation of polyalkylene ether glycol Aug. 21, 2012
8058388 Process for alkoxylation with DMC catalysts in a loop reactor with ejector Nov. 15, 2011
8034980 Method for producing polyether polyols Oct. 11, 2011
8017814 Process for the preparation of polyether polyols Sep. 13, 2011
7968754 Method for producing polyether alcohols Jun. 28, 2011
7947756 Process for making visco-elastic foams May. 24, 2011
7919575 Starter feed stream acidification in DMC-catalyzed process Apr. 5, 2011
7858829 Alkoxylations in microstructured capillary reactors Dec. 28, 2010
7750191 Method for producing polyether alcohols Jul. 6, 2010
7586011 Method for the production of tetrahydrofuran copolymers Sep. 8, 2009
7553921 Polyether polyol composition and use thereof Jun. 30, 2009
7528288 Method for production of polyether alcohols May. 5, 2009
7470823 Polyethers and their use as carrier oils Dec. 30, 2008
7396963 Method for preparing metal cyanide catalyst complexes using partially miscible complexing agents Jul. 8, 2008
7361793 Method for producing tetrahydrofuran copolymers Apr. 22, 2008
7342140 Method for the production of polyetherols Mar. 11, 2008
7335801 Polyglycerols and production thereof Feb. 26, 2008
7312363 Method for activating double metallocyanide-compounds Dec. 25, 2007
7256317 Process for the preparation of surfactant alcohols and surfactant alcohol ethers, the prepared products and their use Aug. 14, 2007
7241926 Method for producing polyether alcohols Jul. 10, 2007
7226988 Method of forming polyetherols in the presence of carboxy-modified aluminum-based catalysts Jun. 5, 2007
7223832 Double-metal cyanide catalysts which can be used to prepare polyols and the processes related thereto May. 29, 2007
7199193 Polyethylene glycol compounds and process of making Apr. 3, 2007
7186867 Process for preparing reactive polyether polyols having an ethylene oxide end block Mar. 6, 2007
7169956 Double metal cyanide complex catalyst, its production process and its utilization Jan. 30, 2007
7119162 Substantially monodispersed mixtures of polymers having polyethylene glycol moieties Oct. 10, 2006
7119236 Method of preparing alkoxylation catalysts and their use in alkoxylation processes Oct. 10, 2006
7094933 Method for producing tetrahydrofurane copolymers Aug. 22, 2006
7053250 Method of preparing a polyether polyol May. 30, 2006
7034103 Process for production of polyols with hydroxide containing double metal cyanide (DMC) catalysts Apr. 25, 2006
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
7012164 Method for continuously producing a polyether Mar. 14, 2006
7005552 Single reactor synthesis of KOH-capped polyols based on DMC-synthesized intermediates Feb. 28, 2006
6972317 Monohydric polyfluorooxetane polymer and radiation curable coatings containing a monofunctional polyfluorooxetane polymer Dec. 6, 2005
6930210 Process to produce polyether polyols Aug. 16, 2005
6919486 Polyetherols produced using aluminium phosphonate catalysts Jul. 19, 2005

1 2 3 4 5 6










 
 
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