Patents by Inventor J. Steven Qi

J. Steven Qi 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).

  • Reducing decomposition of acetates
    Patent number: 5395961
    Abstract: Disclosed is a method of reducing the decomposition of liquid acetates and increasing their storage life. A soluble amine having a pH in water between 9 and 12 is added to the acetate. Also disclosed is a composition of about 1 to about 50 ppm of the amine in the acetate.
    Type: Grant
    Filed: July 26, 1993
    Date of Patent: March 7, 1995
    Assignee: Occidental Chemical Corporation
    Inventors: J. Steven Qi, Garra C. Lester