Patents by Inventor Teresa K. Summerford

Teresa K. Summerford 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).

  • Amine oxide process
    Patent number: 4994614
    Abstract: Tert-amine oxides that are substantially free of nitrosamines are made by reacting a tert-amine, e.g., dodecyl dimethylamine, with aqueous hydrogen peroxide in the presence of the synergistic combination of (a) ascorbic acid and (b) a promoter formed from carbon dioxide.
    Type: Grant
    Filed: December 28, 1987
    Date of Patent: February 19, 1991
    Assignee: Ethyl Corporation
    Inventors: Dennis P. Bauer, Teresa K. Summerford
  • Amine oxide process
    Patent number: 4970341
    Abstract: A process for accelerating the oxidation of tert-amines by hydrogen peroxide by conducting the reaction in the presence of an ascorbic acid promoter.
    Type: Grant
    Filed: February 24, 1987
    Date of Patent: November 13, 1990
    Assignee: Ethyl Corporation
    Inventor: Teresa K. Summerford