Patents by Inventor Rudolf Rasche

Rudolf Rasche 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 of grafting vinyl chloride onto ethylene-vinyl acetate and ethylene-alkyl acrylate copolymers
    Patent number: 4155954
    Abstract: An improved process for grafting vinyl chloride onto ethylene-vinyl acetate or ethylene-alkyl acrylate copolymers in the gel phase in the presence of radical formers soluble in the monomer wherein the ethylene-vinyl acetate or ethylene-alkyl acrylate copolymer is in powder form and a combination of at least two initiators having different decomposition temperatures are employed during the grafting, the resultant grafted copolymer and the use of the same as an impact strength improving component or polyvinyl chloride or vinyl chloride copolymers.
    Type: Grant
    Filed: May 23, 1977
    Date of Patent: May 22, 1979
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Robert Buning, Kurt Huhn, Rudolf Rasche