Patents by Inventor James B. Trecek

James B. Trecek 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).

  • Patent number: 4258216
    Abstract: The process for preparing glyoxal from ethylene glycol wherein a gaseous mixture of ethylene glycol, oxygen, and inert diluent gas is reacted in the presence of a catalyst containing as essential ingredients phosphorous with copper, with silver, or with both copper and silver, to form glyoxal, is improved by incorporating in said gaseous mixture a vapor of a bromine compound.
    Type: Grant
    Filed: April 9, 1979
    Date of Patent: March 24, 1981
    Assignee: American Cyanamid Company
    Inventors: James B. Trecek, George L. Wiesner