Patents by Inventor Lee Ray

Lee Ray 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).

  • Microbial sulfhydryl oxidase and method
    Patent number: 4894340
    Abstract: A sulfhydryl oxidase, which is a flavor protein, and a method of isloating the same from a culture of the microorganism Aspergillus niger. The claimed sulfhydryl oxidase has a molecular weight of about 106,000 and a pH optimum of about 5.5 for oxidation of glutathione in an acetate buffer at 250.degree. C.
    Type: Grant
    Filed: December 21, 1987
    Date of Patent: January 16, 1990
    Assignee: Suomen Sokeri Oy
    Inventors: Frank E. Hammer, Don Scott, Fred W. Wagner, Lee Ray, Rebecca S. de la Motte