Patents by Inventor Cheh Jen Su

Cheh Jen Su 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).

  • Plastic containers for use in packaging and thermal processing of comestibles
    Patent number: 4579757
    Abstract: Off-flavor development is alleviated, or substantially minimized, in thermally processed comestibles packed in plastic containers. The container wall which is in contact with the comestibles is made of a polymer (e.g., polyethylene) containing low vinyl group concentration and low carbonyl group content after melt processing.
    Type: Grant
    Filed: January 5, 1983
    Date of Patent: April 1, 1986
    Assignee: American Can Company
    Inventors: Cheh-Jen Su, Boh C. Tsai, James A. Wachtel
  • Molding wood articles from ammonium salt-wood particle mixtures
    Patent number: 3950472
    Abstract: A method for making a molded wood products wherein wood particles are admixed with an ammonium salt of a weak acid (e.g., ammonium carbonate) and the salt-wood particle mixture is placed in a mold and compressed or otherwise molded at elevated temperatures (up to 200.degree.C) and pressures (1000 to 10,000 psi).
    Type: Grant
    Filed: February 26, 1975
    Date of Patent: April 13, 1976
    Assignee: Continental Can Company, Inc.
    Inventor: Cheh Jen Su