Patents by Inventor Nang C. Wong

Nang C. Wong 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).

  • Olefin polymer barrier films and methods for use thereof
    Patent number: 4538531
    Abstract: Olefin polymer films are produced comprising amounts of one or more permeability reducing fatty acid derivative compounds. The resultant films have improved barrier abilities as evidenced by reduced methyl bromide diffusion rates. The films are very suitably employed as soil fumigation tarpaulins or soil covering materials. Improved methods for confining chemical treatment agents are also taught.
    Type: Grant
    Filed: July 27, 1983
    Date of Patent: September 3, 1985
    Assignee: The Dow Chemical Company
    Inventor: Nang C. Wong