Patents by Inventor Vincent Otten

Vincent Otten 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).

  • Process for the manufacture of &agr;, &agr;-branched carboxylic acids
    Patent number: 6211406
    Abstract: A process for manufacture of &agr;,&agr;-branched carboxylic acids from linear olefins by means of reaction with carbon monoxide and an acid catalyst, characterized in that a linear olefin containing from 2 to 5 carbon atoms, or a precursor thereof, is reacted in a batch reactor or a continuous reactor, with carbon monoxide and water, in the presence of a catalyst having sufficient acid groups to provide requisite protons for the formation of Koch acid, and in the presence of a polar non-coordinating organic solvent.
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: April 3, 2001
    Assignee: Shell Oil Company
    Inventors: Jean-Paul Lange, Vincent Otten, Hans Arie Stil