Patents by Inventor Ingeborg Geisen

Ingeborg Geisen 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).

  • Adhesive, pre-gelled plastisols and process of preparation
    Patent number: 4525234
    Abstract: This invention is directed to a process for preparing an adhesive, pre-gelled plastisol composition which comprises the steps of(a) mixing polyvinyl acetate or copolymers of vinyl acetate with one or more comonomers selected from the group consisting of vinyl alcohol C.sub.3 -C.sub.18 -carboxylic acid esters, ethylene, propylene, butylene, and vinyl chloride with conventional non-gelled plastisol mixtures based upon (i) polyvinyl chloride and/or polymethyl methacrylate and (ii) one or more suitable plasticizers in a ratio of from about 10 to 200 parts by weight of polyvinyl chloride or copolymers of vinyl acetate to 100 parts by weight of polyvinyl chloride and/or polymethyl methacrylate,(b) heating the mixture from step (a) to a temperature of from about 80.degree. to 130.degree. C.The resulting composition is useful in joining, sealing, or stiffening automobile body components.
    Type: Grant
    Filed: August 21, 1984
    Date of Patent: June 25, 1985
    Assignee: Henkel Kommanditgesellschaft (KGaA)
    Inventors: Julius Herold, Ingeborg Geisen