Patents by Inventor Bernd Oster

Bernd Oster 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 preparation of cyclohexanones
    Patent number: 6215028
    Abstract: The invention relates to a process for the preparation of cyclohexanones from the corresponding phenols by partial hydrogenation, characterized in that the reaction mixture obtained by means of the hydrogenation is treated with sulfonating agents before the isolation of the cyclohexanone.
    Type: Grant
    Filed: November 2, 1998
    Date of Patent: April 10, 2001
    Assignee: Merck Patent Gesellschaft mit
    Inventors: Bernd Oster, Peter Mackert, Detlef Pauluth, Markus Wydra
  • Sulfonated copolymers and process for forming the sulfonated copolymers
    Patent number: 4530987
    Abstract: The present invention relates to a free radical emulsion polymerization process for the formation of substantially gel-free co- or terpolymers of a major portion of at least one conjugated diene and a minor portion of a sulfonate containing monomer, wherein the co- or terpolymers are water insoluble and have about 18 to about 100 meq of sulfonate groups per 100 grams of polymer.
    Type: Grant
    Filed: June 15, 1983
    Date of Patent: July 23, 1985
    Assignee: Exxon Research and Engineering Co.
    Inventors: Robert D. Lundberg, Robert W. Lenz, Bernd Oster