Patents by Inventor Burkhard Theis

Burkhard Theis 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).

  • Patent number: 7309590
    Abstract: The invention relates to a method and device for producing an aqueous acrylamide solution by hydrating acrylonitrile in an aqueous solution while in the presence of a biocatalyst.
    Type: Grant
    Filed: April 25, 2002
    Date of Patent: December 18, 2007
    Assignee: Ashland Licensing and Intellectual Property LLC
    Inventors: Olaf Petersen, Burkhard Theis, Michael Colberg
  • Publication number: 20050064564
    Abstract: The invention relates to a method and a device for producing an aqueous acrylamide solution by the hydration of acrylnitrile in an aqueous solution in the presence of a biocatalyst.
    Type: Application
    Filed: April 25, 2002
    Publication date: March 24, 2005
    Inventors: Olaf Petersen, Burkhard Theis, Michael Colberg
  • Publication number: 20040175809
    Abstract: The invention relates to a method and device for producing an aqueous acrylamide solution by hydrating acrylonitrile in an aqueous solution while in the presence of a biocatalyst.
    Type: Application
    Filed: March 31, 2004
    Publication date: September 9, 2004
    Inventors: Olaf Peterson, Burkhard Theis, Michael Colberg