Patents by Inventor Thomas Koelen Van Der

Thomas Koelen Van Der 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).

  • Salts of alkyl esters of sulfonated dicarboxylic acids and compositions containing same
    Patent number: 7981932
    Abstract: A salt of a mono- and/or dialkyl ester of a sulfonated dicarboxylic acid is provided, where the dicarboxylic acid contains 4 to 8 carbon atoms and the alkyl groups are derived from 2-propylheptanol. A composition including (a) one or more salt(s) of a mono- and/or dialkyl ester(s) of a sulfonated dicarboxylic acid(s), where the dicarboxylic acid contains 4 to 8 carbon atoms and the alkyl groups are derived from 2-propylheptanol; and (b) one or more organic solvents liquid at 20° C. with a boiling point above 250° C. at 1 bar is also provided.
    Type: Grant
    Filed: March 2, 2007
    Date of Patent: July 19, 2011
    Assignee: Cognis IP Management GmbH
    Inventors: Joachim Meyer, Thomas Koelen Van Der, Uwe Held, Stefan Busch
  • Salts of alkyl esters of sulfonated dicarboxylic acids and compositions containing same
    Publication number: 20070214999
    Abstract: A salt of a mono- and/or dialkyl ester of a sulfonated dicarboxylic acid is provided, where the dicarboxylic acid contains 4 to 8 carbon atoms and the alkyl groups are derived from 2-propylheptanol. A composition including (a) one or more salt(s) of a mono- and/or dialkyl ester(s) of a sulfonated dicarboxylic acid(s), where the dicarboxylic acid contains 4 to 8 carbon atoms and the alkyl groups are derived from 2-propylheptanol; and (b) one or more organic solvents liquid at 20° C. with a boiling point above 250° C. at 1 bar is also provided.
    Type: Application
    Filed: March 2, 2007
    Publication date: September 20, 2007
    Inventors: Joachim Meyer, Thomas Koelen Van Der, Uwe Held, Stefan Busch