Patents by Inventor Robert Vankan

Robert Vankan 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).

  • Polyamide compositions exhibiting improved rheology
    Patent number: 5665815
    Abstract: Compositions including at least one polyamide obtained by polycondensation of meta-xylylenediamine and of a dicarboxylic acid, as well as at least one copolymer based on methyl methacrylate and on acrylic and/or methacrylic acid, the said copolymer being advantageously at least partially neutralized with an alkali metal. These compositions exhibit a high melt viscosity at low shear rate, which facilitates their processing.
    Type: Grant
    Filed: August 14, 1995
    Date of Patent: September 9, 1997
    Assignee: Solvay (Societe Anonyme)
    Inventors: Robert Vankan, Philippe Degee, Robert Jerome, Philippe Teyssie