Patents by Inventor Ta S. Chou

Ta S. Chou 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).

  • Process for preparing penicillin sulfoxides
    Patent number: 4230620
    Abstract: A penicillin is treated with a peroxymonosulfate at a temperature of from about 0.degree. C. to about 50.degree. C. in an aqueous medium to produce a penicillin sulfoxide.
    Type: Grant
    Filed: March 26, 1979
    Date of Patent: October 28, 1980
    Assignee: Eli Lilly and Company
    Inventor: Ta S. Chou