Patents by Inventor Paul Kunesch

Paul Kunesch 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).

  • Reinforcing compositions including a precipitated silica for thermoplastic polymers which improved anticaking and flow properties
    Patent number: 5763515
    Abstract: The invention relates to reinforcing compositions for thermoplastic polymers which have improved anticaking and flow properties, which include an impact additive and a precipitated silica.These compositions are very particularly suitable for the reinforcement of PVC.
    Type: Grant
    Filed: October 5, 1995
    Date of Patent: June 9, 1998
    Assignee: ELF Atochem North America Inc.
    Inventors: Chris Bertelo, Paul Kunesch, Gilles Meunier
  • Reinforcing compositions for thermoplastic polymers, including a synergic combination of micronized silica and of calcium salt which have improved anticaking and flow properties
    Patent number: 5693699
    Abstract: The invention relates to reinforcing compositions for thermoplastic polymers which have improved anticaking and flow properties, which include an impact additive and a synergic combination including a micronized silica and at least one calcium salt.These compositions are very particularly suitable for the reinforcement of PVC.
    Type: Grant
    Filed: October 5, 1995
    Date of Patent: December 2, 1997
    Assignee: Elf Atochem North America Inc.
    Inventors: Chris Bertelo, Paul Kunesch, Gilles Meunier
  • Apparatus for making an extruded composite structure
    Patent number: 4699579
    Abstract: An extruded composite structure consisting essentially of an outer sheath surrounding an inner core, said outer sheath consisting essentially of an extrudable resin which remains thermoplastic after extrusion and said inner core comprising a substance whose melting point or decomposition temperature is lower than the temperature to which said resin must be heated to be extruded and to the apparatus and process for making such composite structure.
    Type: Grant
    Filed: November 27, 1985
    Date of Patent: October 13, 1987
    Assignee: Atochem
    Inventors: Raymond Bourdon, Paul Kunesch, Andre Cazes