Patents by Inventor Eldred T. Smith

Eldred T. Smith 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).

  • Formaldehyde production
    Patent number: 4420641
    Abstract: New catalysts comprising lead and silver on supports having relatively low surface areas and their use have been found to be useful in the oxidative dehydrogenation of methanol to formaldehyde at elevated temperatures.
    Type: Grant
    Filed: January 12, 1983
    Date of Patent: December 13, 1983
    Assignee: Celanese Corporation
    Inventors: H. Robert Gerberich, Eldred T. Smith
  • Catalyst of supported silver and lead for the production of formaldehyde
    Patent number: 4386014
    Abstract: New catalysts comprising lead and silver on supports having relatively low surface areas and their use have been found to be useful in the oxidative dehydrogenation of methanol to formaldehyde at elevated temperatures.
    Type: Grant
    Filed: July 27, 1981
    Date of Patent: May 31, 1983
    Assignee: Celanese Corporation
    Inventors: H. Robert Gerberich, Eldred T. Smith