Patents by Inventor Rudolf Hombach

Rudolf Hombach 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).

  • Method for making bonds
    Patent number: 4193832
    Abstract: The instant invention is directed to a method for bonding one or more substrates by applying adhesives comprising organic polyisocyanates and compounds containing isocyanate-reactive hydrogen atoms which react to form polyurethanes, or moisture-hardening reaction products containing free isocyanate groups or excess quantities of polyisocyanates and compounds containing isocyanate-reactive hydrogen atoms, the improvement wherein said compounds containing isocyanate-reactive hydrogen atoms are dispersions of polymers in organic polyhydroxyl compounds.
    Type: Grant
    Filed: April 24, 1978
    Date of Patent: March 18, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Artur Reischl, Rudolf Hombach, Manfred Dollhausen
  • Process for the production of a polychloroprene latex which is stable to freezing and thawing
    Patent number: 4155891
    Abstract: Polychloroprene latex which is stable to freezing and thawing can be obtained by adding a betaine of a formula given below before, during or after polymerization.
    Type: Grant
    Filed: January 18, 1977
    Date of Patent: May 22, 1979
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Jurgen Pettelkau, Rudolf Hombach, Heinz Esser, Wilfried Keller