Patents by Inventor Rudolf Richner

Rudolf Richner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Alkoxylation method of fatty acid alkyl esters
    Patent number: 9056828
    Abstract: The present invention is directed towards a method of preparing alkoxylated fatty acid alkyl estersin a one-pot alkoxylation reaction in the presence of a catalyst which is an alkaline earth metal oxide/mineral acid combination, preferably a barium oxide/sulfuric acid combination, or a Lewis acid, preferably Sn Cl4, comprising the steps of: a) providing a fatty acid alkyl ester, b) adding a catalyst to said fatty acid alkyl ester to obtain a first mixture, wherein said catalyst is an alkaline earth metal oxide/mineral acid combination or a Lewis acid, c) adding one or more alkylene oxides to said first mixture to obtain a second mixture and (d) isolating the alkoxylated fatty acid alkyl ester.
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: June 16, 2015
    Assignee: Kolb Distribution Ltd.
    Inventors: Christoph Kolano, Lothar Möhle, Rudolf Richner
  • ALKOXYLATION METHOD OF FATTY ACID ALKYL ESTERS
    Publication number: 20130150601
    Abstract: The present invention is directed towards a method of preparing alkoxylated fatty acid alkyl estersin a one-pot alkoxylation reaction in the presence of a catalyst which is an alkaline earth metal oxide/mineral acid combination, preferably a barium oxide/sulfuric acid combination, or a Lewis acid, preferably Sn Cl4, comprising the steps of: a) providing a fatty acid alkyl ester, b) adding a catalyst to said fatty acid alkyl ester to obtain a first mixture, wherein said catalyst is an alkaline earth metal oxide/mineral acid combination or a Lewis acid, c) adding one or more alkylene oxides to said first mixture to obtain a second mixture and (d) isolating the alkoxylated fatty acid alkyl ester.
    Type: Application
    Filed: August 11, 2011
    Publication date: June 13, 2013
    Applicant: KOLB DISTRIBUTION LTD.
    Inventors: Christoph Kolano, Lothar Möhle, Rudolf Richner