Patents by Inventor Gunter Klaass

Gunter Klaass 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 production of adhesive-repellent coatings
    Patent number: 4331718
    Abstract: A process for the production of adhesive-repellent coatings, particularly for the production of surface coatings on the backs of pressure sensitive tapes, comprising the radical emulsion polymerization products, in an aqueous alkaline medium, of a monomer mixture of maleic monoamides or maleic monoesters, styrene or its derivatives or a mixture of styrene or its derivatives with acrylic alkyl esters, plus optional cross linking monomers and polar monomers.
    Type: Grant
    Filed: May 12, 1981
    Date of Patent: May 25, 1982
    Assignee: Beiersdorf AG
    Inventors: Peter Gleichechagen, Gunter Klaass