Patents by Inventor Thomas E. Guenter

Thomas E. Guenter 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).

  • Manufacture of H.sub.2 O.sub.2
    Patent number: 4374820
    Abstract: An alkylanthraquinone working solution as used in the manufacture of hydrogen peroxide, in the oxidized form is cooled to from 20.degree. to 40.degree. C. and fed to a slurry type catalytic hydrogenator maintained at from 38.degree. to 60.degree. C., and 10 to 100 psig. From 10 to 90% of the catalyst free hydrogenated working solution is cooled to from 20.degree. to 40.degree. C. and recycled to the hydrogenator.
    Type: Grant
    Filed: July 29, 1981
    Date of Patent: February 22, 1983
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Thomas E. Guenter