Patents by Inventor Robert M. Sheppard

Robert M. Sheppard 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).

  • Colored polyolefin film and method of making
    Publication number: 20030021981
    Abstract: A multi-layered colored thermoplastic film comprising an opaque core layer comprising a thermoplastic material and a first skin layer comprising a thermoplastic material with a coloring agent adjacent to the core layer, and a method producing same.
    Type: Application
    Filed: January 9, 2001
    Publication date: January 30, 2003
    Inventors: Pang-Chia Lu, Robert M. Sheppard, Donald J. Burns, Robert A. Migliorini, Sal J. Pellingra, Karen Ann Sheppard, Robert Guthrie Peet
  • Photographic label suitable for packaging
    Patent number: 6436604
    Abstract: The invention relates to a label comprising a silver halide imaging layer, a base and a strippable liner adhesively connected by an adhesive to said base, wherein said base has a stiffness of between 15 and 60 millinewtons and an L* is greater than 92.0, and wherein said liner has a stiffness of between 40 and 120 millinewtons.
    Type: Grant
    Filed: January 30, 2001
    Date of Patent: August 20, 2002
    Assignee: Eastman Kodak Company
    Inventors: Robert P. Bourdelais, Peter T. Aylward, Robert M. Sheppard
  • Coated hope film and its method of manufacture
    Patent number: 5500283
    Abstract: The invention relates to a coated film composition comprising:a) a biaxially oriented high density polyethylene (HDPE) film comprising at least 50 wt. % of HDPE having a density of 0.960 or greater; andb) a coating which is derived from the group consisting of polyvinylidene chloride polymer or copolymer, acrylic acid polymer or copolymer, and polyvinyl alcohol polymer (PVOH); and its method of manufacture.
    Type: Grant
    Filed: December 1, 1993
    Date of Patent: March 19, 1996
    Assignee: Mobil Oil Corporation
    Inventors: Kevin A. Kirk, Leland L. Liu, Jeffrey J. O'Brien, Robert M. Sheppard