Patents by Inventor Henry Glyn Wright

Henry Glyn Wright 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).

  • Packaging films
    Patent number: 4004075
    Abstract: A process, and the product thereof, is provided for the manufacture of an interpolymer having a high resistance to chemical attack and a low gas and water vapour permeability, the interpolymer consisting essentially of an unsaturated nitrile, a monovinylidene aromatic compound and an alphaolefin. Also provided are foods, beverages and medicines contained in packages of the interpolymer.
    Type: Grant
    Filed: February 27, 1975
    Date of Patent: January 18, 1977
    Assignee: Polysar Limited
    Inventors: Michael Hugh Richmond, Henry Glyn Wright