Patents by Inventor Patrick M Burke

Patrick M Burke 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 to prepare a pentenoic acid derivative
    Patent number: 6175036
    Abstract: Process for the preparation of an alkyl pentenoate respectively an aryl pentenoate by contacting an alkoxy-butene respectively an aryloxy-butene compound with carbon monoxide in the presence of a catalyst system comprising palladium, a phosphorus ligand and an acid promotor, wherein the molar ratio of 3-alkoxy-1-butene to 1-alkoxy-2-butene, respectively the molar ratio of 3-aryloxy-1-butene to 1-aryloxy-2-butene, is higher than 4.
    Type: Grant
    Filed: August 26, 1999
    Date of Patent: January 16, 2001
    Assignee: DSM N.V.
    Inventors: Henk Oevering, Patrick M Burke, Otto E Sielcken