Patents by Inventor Vernon C. Haskell

Vernon C. Haskell 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: 4416938
    Abstract: A substantially continuous, gas-impermeable, film is disclosed including a combination of metal orthophosphate and dialdehyde-treated poly(vinyl alcohol). Barrier properties of a laminate utilizing the film are greatly improved by a heat treatment.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: November 22, 1983
    Assignee: E. I. Du Pont de Nemours & Co.
    Inventor: Vernon C. Haskell
  • Patent number: 4376183
    Abstract: A substantially continuous, gas-impermeable, film is disclosed including a combination of metal orthophosphate and dialdehyde-treated poly(vinyl alcohol). Barrier properties of a laminate utilizing the film are greatly improved by a heat treatment.
    Type: Grant
    Filed: September 14, 1981
    Date of Patent: March 8, 1983
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Vernon C. Haskell