Patents by Inventor Chi-Sin Chen

Chi-Sin Chen 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).

  • Patent number: 4019959
    Abstract: A method of producing lipase and pyocyanine from n-paraffins by growing a pseudomonas-like hydrocarbon oxidizing bacteria thereon and extracting the lipase and pyocyanine from the intracellular portion of the bacterium.
    Type: Grant
    Filed: October 6, 1975
    Date of Patent: April 26, 1977
    Assignee: Continental Oil Company
    Inventors: Len J. Gawel, Chi-Sin Chen