Patents by Inventor Jeffrey Hunt Thompson

Jeffrey Hunt Thompson 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 making low color polyvinyl alcohol
    Publication number: 20090163658
    Abstract: A process is provided for the manufacture of polyvinyl alcohol, having an APHA color of equal to or less than about 10, by polymerizing a vinyl acetate monomer to form polyvinyl acetate and then hydrolyzing the polyvinyl acetate to form polyvinyl alcohol wherein the vinyl acetate monomer is characterized as having an inhibitor level of equal to or less than about 10 ppm, preferably less than about 5 ppm, more preferably less than about 3 ppm, even more preferably less than about 1 ppm.
    Type: Application
    Filed: December 19, 2008
    Publication date: June 25, 2009
    Inventors: Florin Barsan, Kien Van Phung, Jeffrey Hunt Thompson