Patents by Inventor Daivd T. Ou-Yang

Daivd T. Ou-Yang 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).

  • Synthetic liner capable of resisting chemical attack and high temperature
    Patent number: 4818577
    Abstract: A liner, suitable for use with caps for containers, comprising a layer of compressible polymeric foam, a layer of adhesive in contact with and coextensive with said foam layer, and a layer of polymeric film in contact with and coextensive with said layer of adhesive.The liner shows good chemical resistance, good resistance to high temperatures, and good impermeability to gases.
    Type: Grant
    Filed: August 20, 1987
    Date of Patent: April 4, 1989
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Daivd T. Ou-Yang