Patents by Inventor Franz Blaschke

Franz Blaschke 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).

  • Polyvinyl chloride of high impact strength prepared on the basis of ethylene-vinyl acetate or ethylene-alkylacrylate copolymers
    Patent number: 4185048
    Abstract: Polymer blend of:(a) 4-15 wt.% of a graft polymer composed of 5-70 wt.% of vinyl chloride grafted in the gel phase, onto 95-30 wt.% of a copolymer of ethylene and vinyl acetate or ethylene and alkyl acrylate, said copolymer being 2.5-15 wt.% of vinyl acetate or alkyl acrylate and 97.5-85 wt.% of ethylene,(b) 96-85 wt.% of polyvinyl chloride polymer which is at least one of polyvinyl chloride homopolymer and vinyl chloride copolymer.The blend has high impact strength.
    Type: Grant
    Filed: July 24, 1978
    Date of Patent: January 22, 1980
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Robert Buning, Franz Blaschke, Werner Trautvetter
  • Transparent polyamides
    Patent number: 4111921
    Abstract: A polyamide composition, useful in the preparation of transparent sheets, having improved resistivity toward solvents containing moieties of terephthalic acid and 2-methylpentamethylenediamine, said polyamide characterized by a content of moieties of 2-ethyltetramethyldiamine and/or of isophthalic acid in a concentration totalling 15 to 30 mole percent, with respect to the sum of all diamine moieties or all dicarboxylic acid moieties, as the case may be.
    Type: Grant
    Filed: September 21, 1976
    Date of Patent: September 5, 1978
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Gerhard Bier, Franz Blaschke, Helmut AUS DER Funten, Gerhard Schade