Patents by Inventor Jean-Pierre Lalaun

Jean-Pierre Lalaun 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).

  • Thermoplastic multi-layer foil structure
    Patent number: 4234663
    Abstract: A thermoplastic multi-layer foil structure comprises a styrenic polymer layer and an olefinic polymer layer bonded by an intermediary polymer layer comprising at least one layer constituted by a bonding agent. In this multi-layer structure, at least one layer containing scrap produced from said multi-layer foil structure is included in the latter, said scrap-containing layer including a mixture of said scrap with a convenient proportion of a graft copolymer of a styrenic monomer on a polyolefinic substrate.
    Type: Grant
    Filed: January 29, 1979
    Date of Patent: November 18, 1980
    Assignee: ATO Chimie
    Inventors: Raymond Catte, Robert Laputte, Jean-Claude Moulies, Jean-Pierre Lalaun