Patents by Inventor Dana C. Winn

Dana C. Winn 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).

  • Continuous process for making peroxycarboxylic acids
    Patent number: 4244884
    Abstract: An improved continuous process for making a peroxyacid having about 6 to about 20, preferably about 8 to about 16 carbon atoms and at least one peroxyacid moiety, using as starting materials the corresponding carboxylic acid and hydrogen peroxide and using sulfuric acid as a reaction medium, comprising the steps of (a) maintaining a reaction mixture having a liquid component comprising 60 to 80% sulfuric acid, 2.5 to 12.5% hydrogen peroxide, and 7.5 to 37.
    Type: Grant
    Filed: July 12, 1979
    Date of Patent: January 13, 1981
    Assignee: The Procter & Gamble Company
    Inventors: James P. Hutchins, Dana C. Winn