Patents by Inventor Peter R. Boice

Peter R. Boice 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).

  • Patent number: 5298302
    Abstract: A multilayered thermoplastic film having improved lap seal strength includes skin layers having blends of ethylene propylene copolymer with polybutylene or propylene butene copolymer, or propylene butene copolymer. Oriented shrink films can beneficially be made from three and five layer formulations including such skin layer compositions.
    Type: Grant
    Filed: August 21, 1992
    Date of Patent: March 29, 1994
    Assignee: W. R. Grace & Co.-Conn.
    Inventor: Peter R. Boice
  • Patent number: 4938683
    Abstract: A coextruded multiple layer film is oriented in primarily the longitudinal direction, and comprises a core layer comprising butadiene styrene copolymer or copolyester, outer layers comprising ethylene propylene copolymer, polypropylene, or blends thereof, and intermediate layers which bond the outer layers to the core layer and comprise an ethylene copolymer.
    Type: Grant
    Filed: July 7, 1989
    Date of Patent: July 3, 1990
    Assignee: W. R. Grace & Co.-Conn.
    Inventor: Peter R. Boice
  • Patent number: 4879177
    Abstract: A coextruded multiple layer film is oriented in primarily the longitudinal direction, and comprises a core layer comprising butadiene styrene copolymer or copolyester, outer layers comprising ethylene propylene copolymer, polypropylene, or blends thereof, and intermediate layers which bond the outer layers to the core layer and comprise an ethylene copolymer.
    Type: Grant
    Filed: November 13, 1987
    Date of Patent: November 7, 1989
    Assignee: W. R. Grace & Co.
    Inventor: Peter R. Boice