Patents by Inventor Gordon E. A. Pears

Gordon E. A. Pears 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).

  • Coated polyester films
    Patent number: 4391767
    Abstract: Coating polyester films between the longitudinal and transverse drawing stages of the biaxial orientation process with a non-heat sealing primer coating which may be reclaimable.
    Type: Grant
    Filed: September 17, 1980
    Date of Patent: July 5, 1983
    Assignee: Imperial Chemical Industries PLC
    Inventor: Gordon E. A. Pears
  • Coated polyester films
    Patent number: 4224270
    Abstract: A process for the production of a plastics film in which a polymeric composition comprising a fresh linear polyester and polymer derived from a film of a synthetic linear polyester coated with a composition comprising a thermosetting acrylic or methacrylic composition is shaped by extrusion.
    Type: Grant
    Filed: October 26, 1978
    Date of Patent: September 23, 1980
    Assignee: Imperial Chemical Industries Limited
    Inventor: Gordon E. A. Pears
  • Voided films of polyester with polyolefin particles
    Patent number: 4187113
    Abstract: Opaque voided films having a total luminous transmission not exceeding 25% are made from blends of a polyester preferably polyethylene terephthalate, with 3 to 27% of an ethylene or propylene polymer, prepared by dry blending. One end use of the film, as a base for photographic prints is also described.
    Type: Grant
    Filed: November 3, 1977
    Date of Patent: February 5, 1980
    Assignee: Imperial Chemical Industries Limited
    Inventors: Carl F. Mathews, Christopher Deverell, Gordon E. A. Pears, Peter G. Knowles