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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

Patent Number Title Of Patent Date Issued
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
6884826 Process for preparing double metal cyanide catalyzed polyols Apr. 26, 2005
6878661 Bimetallic-cyanide catalysts used for preparing polyether polyols Apr. 12, 2005
6858761 Process for preserving resin catalyst for addition reaction of alkylene oxide and utilization of this process Feb. 22, 2005
6818587 Double-metal cyanide catalysts for preparing polyether polyols Nov. 16, 2004
6815467 Methods for producing a polyol and a polymer dispersed polyol Nov. 9, 2004
6806348 Process for removing and regenerating a double metal cyanide (DMC) catalyst from a polymer polyol Oct. 19, 2004
6806393 Multimetal cyanide compounds, their preparation and their use Oct. 19, 2004
6780813 Process for producing DMC catalysts Aug. 24, 2004
6776925 Process for the preparation of polyether polyols Aug. 17, 2004
6770684 Production of flexible polyurethane foams Aug. 3, 2004
6762325 Method for production of alkoxylated compound Jul. 13, 2004
6753402 Polyester-polyether block copolymers Jun. 22, 2004
6734327 Alkoxylation process using antimony catalyst May. 11, 2004
6716788 Preparation of a double metal cyanide catalyst Apr. 6, 2004
6673972 Method for producing polyetherpolyols in the presence of a multi-metal cyanide complex catalyst Jan. 6, 2004
6670406 Process for producing polyether polyols Dec. 30, 2003
6664428 Method of producing polyetherpolyols Dec. 16, 2003
6646145 Processes for preparing alkoxylated nonionic surfactants using hydrotalcite catalysts Nov. 11, 2003
6642423 Polymerization of ethylene oxide using metal cyanide catalysts Nov. 4, 2003
6624321 Process for the preparation of polyether polyols Sep. 23, 2003
6608231 Double-metal cyanide catalysts for producing polyether polyols Aug. 19, 2003
6576799 Process for preparing ether-capped poly(oxyalkylated) alcohol surfactants Jun. 10, 2003

1 2 3 4 5


 
 
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