Patents by Inventor Robert Henry Whitman

Robert Henry Whitman 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).

  • Microcrystalline cellulose as extrusion aid/combustible filler for alumina
    Patent number: 4119474
    Abstract: The use of microcrystalline cellulose as an extrusion aid/combustible filler for rehydratable alumina allows the production of low density alumina substrates.
    Type: Grant
    Filed: July 13, 1977
    Date of Patent: October 10, 1978
    Assignee: American Cyanamid Company
    Inventors: Robert Henry Whitman, William Austin Barber
  • Process for the elimination of pollutants in exhaust gases
    Patent number: 3956459
    Abstract: An improved process for oxidation of exhaust gases emanating from internal combustion engines which utilizes a stabilized alumina support containing a uniform distribution of cupric oxide and chromic oxide as a first promoter level and thereover palladium as a second promoter level as well as the process for manufacture thereof are disclosed.
    Type: Grant
    Filed: January 28, 1974
    Date of Patent: May 11, 1976
    Assignee: American Cyanamid Company
    Inventors: Robert Henry Whitman, Edward Leyman