Patents by Inventor Chester Arthur Thayer, II

Chester Arthur Thayer, II 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).

  • One step process for producing dicarboxylic acids
    Patent number: 6426432
    Abstract: A process for making an alkanedioic acid in which a mixture of a cycloalkene, a base and a solvent is contacted simultaneously with both oxygen and ozone at a temperature between 40 and 60 degrees Centigrade.
    Type: Grant
    Filed: September 10, 2001
    Date of Patent: July 30, 2002
    Assignee: E. I. DuPont de Nemours & Company
    Inventor: Chester Arthur Thayer, II
  • Continuous ozonolysis of cycloalkenes into ozonides
    Patent number: 6423853
    Abstract: Continuous processes for converting cycloalkenes into ozonides in which ozone is reacted with a cycloalkene to form an ozonide solution. A portion of the solution is recycled back to the reaction, and additional cycloalkene is provided.
    Type: Grant
    Filed: September 24, 2001
    Date of Patent: July 23, 2002
    Assignee: E. I. du Pont de Nemours & Comp.
    Inventors: Edward F. Moran, Jr., Chester Arthur Thayer, II