Patents by Inventor Rana N. S. Sodhi

Rana N. S. Sodhi 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).

  • Modification of polymer surfaces by two-step reactions
    Patent number: 5147678
    Abstract: Improved modification of polymer surfaces is achieved by two-step reactions on polymer surfaces, particularly where at least one of the steps is a "downstream" or remote plasma treatment. For example, polymers may be treated with various combinations of the following: (1) downstream nitrogen plasma treatment; (2) ozone treatment; (3) corona discharge treatment; (4) downstream oxygen plasma treatment; or (5) downstream hydrogen plasma treatment.
    Type: Grant
    Filed: December 22, 1989
    Date of Patent: September 15, 1992
    Assignee: The University of Western Ontario
    Inventors: Renate Foerch, Duncan H. Hunter, N. Stewart McIntyre, Rana N. S. Sodhi