Patents by Inventor Liong S. Tee

Liong S. Tee 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).

  • Recovery process for branched polyphenylene
    Patent number: 4178435
    Abstract: An improved method for separating branched polyphenylene from a polymerization reaction mixture is disclosed which improves polymer properties. The contents of a high pressure polymerization reactor are discharged into one or more devolatilizing units which draw off and recycle low molecular weight unreacted species and separate high molecular weight branched polyphenylene.
    Type: Grant
    Filed: December 29, 1977
    Date of Patent: December 11, 1979
    Assignee: Standard Oil Company (Indiana)
    Inventors: Liong S. Tee, John C. Reindl
  • New rotary valve
    Patent number: 3934937
    Abstract: A new rotary valve for metering solid slurries.
    Type: Grant
    Filed: September 27, 1971
    Date of Patent: January 27, 1976
    Assignee: Standard Oil Company
    Inventors: Liong S. Tee, Carlo Piazza, deceased, by Judith B. Piazza, executrix