Patents by Inventor George Alvin Sayers

George Alvin Sayers 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).

  • Hindered phenol antioxidant composition containing an amino compound
    Patent number: 4011057
    Abstract: An improved antioxidant composition comprising hindered phenol antioxidant wherein the improvement comprises, in combination with the hindered phenol, from about 1% to 10%, by total weight, of at least one amino compound having a pKb of from 0.3 to 8.0.
    Type: Grant
    Filed: April 16, 1974
    Date of Patent: March 8, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: George Alvin Sayers