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Stefan Grasser, Leverkusen DE

Stefan Grasser, Leverkusen DE

Patent application numberDescriptionPublished
20100298586METHOD FOR PRODUCING FATTY ACID ALKYL ESTERS - Multistage process for the preparation of fatty acid alkyl esters.11-25-2010
20120289732PROCESS FOR THE ACTIVATION OF DOUBLE METAL CYANIDE CATALYSTS FOR THE PREPARATION OF POLYETHER CARBONATE POLYOLS - The present invention relates to a process for the activation of double metal cyanide (DMC) catalysts for the preparation of polyether carbonate polyols by catalytic copolymerisation of carbon dioxide (CO11-15-2012
20130072602PROCESS FOR THE PREPARATION OF POLYETHER CARBONATE POLYOLS - The present invention relates to a process for the preparation of polyether carbonate polyols by catalytic copolymerization of carbon dioxide (CO03-21-2013
20130123532METHOD FOR PRODUCING POLYETHER CARBONATE POLYOLS - The present invention relates to a process for the preparation of polyether carbonate polyols from one or more H-functional starter substances, one or more alkylene oxides and carbon dioxide in the presence of at least one double metal cyanide catalyst, wherein the cyanide-free metal salt, the metal cyanide salt or both the mentioned salts used for the preparation of the double metal cyanide catalyst contain(s) from 0.3 to 1.8 mol base equivalents (based on 1 mol of the metal cyanide salt used for the synthesis of the catalyst) of alkaline metal hydroxide, metal carbonate and/or metal oxide.05-16-2013
20130184432PROCESS FOR THE PREPARATION OF POLYETHER CARBONATE POLYOLS - The present invention relates to a process for the preparation of polyether carbonate polyols from one or more alkylene oxides, carbon dioxide and optionally from one or more H-functional starter substances in the presence of at least one double metal cyanide catalyst, wherein the double metal cyanide catalyst comprises an unsaturated alcohol as a complexing ligand.07-18-2013
20130190462PROCESS FOR PREPARING POLYETHER CARBONATE POLYOLS WITH DOUBLE METAL CYANIDE CATALYSTS AND IN THE PRESENCE OF METAL SALTS - The present invention relates to a process for the preparation of polyether carbonate polyols by catalytic copolymerisation of carbon dioxide (CO07-25-2013
20130211042PROCESS FOR THE PRODUCTION OF POLYETHER CARBONATE POLYOLS - The present invention relates to a process for the production of polyether carbonate polyols from one or more H-functional starter substances, one or more alkylene oxides (epoxides) and carbon dioxide in the presence of at least one double metal cyanide catalyst, wherein the production of the polyether carbonate polyols is carried out in a tubular reactor.08-15-2013
20140256908PROCESS FOR THE PRODUCTION OF POLYETHER CARBONATE POLYOLS - The present invention relates to a method for producing polyether carbonate polyols from one or more H-functional starter substances, one or more alkylene oxides and carbon dioxide, in the presence of at least one double metal cyanide (DMC) catalyst, wherein the double metal cyanide catalyst comprises a complex-forming component selected from the group consisting of polycarbonate diol, polyether carbonate polyol, polyethylene glycol diol and poly(tetramethylene ether diol).09-11-2014
20140329987METHOD FOR PRODUCING POLYETHERESTER CARBONATE POLYOLS - The present invention relates to a method for producing polyetherester carbonate polyols by means of catalytic addition of carbon dioxide, alkylene oxides and cyclic anhydrides to H-functional starter compounds in the presence of double metal cyanide (DMC) catalysts.11-06-2014

Patent applications by Stefan Grasser, Leverkusen DE

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