Patents by Inventor Gunter Klauenberg

Gunter Klauenberg 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: 4670416
    Abstract: A hydrogenation catalyst is disclosed, said catalyst consisting essentially of 10-90 parts by weight of nickel and 90-10 parts by weight of silica and having an overall active nickel surface area of 70-200 m.sup.2 /g. A two-step process for preparing the catalyst is also disclosed.
    Type: Grant
    Filed: January 4, 1984
    Date of Patent: June 2, 1987
    Assignee: Internationale Octrooi Maatschappij"Octropa"B.V.
    Inventors: Helmut Klimmek, Gunter Klauenberg
  • Patent number: 4666635
    Abstract: A process for the catalytic hydrogenation of an unsaturated compound using a nickel-silica catalyst. The catalyst comprises aggregates which have an average particle size ranging from 2 to 100 micrometers and said aggregates have outer surface which is at least 60% free of carrier particles.
    Type: Grant
    Filed: February 1, 1985
    Date of Patent: May 19, 1987
    Assignee: Internationale Octrooi Maatschappij "Octropa" B.V.
    Inventors: Helmut Klimmek, Gunter Klauenberg