The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 04, 1978
Filed:
Sep. 22, 1976
Applicant:
Inventors:
Henry G Petrow, Watertown, MA (US);
Robert J Allen, Saugus, MA (US);
Assignee:
Prototech Company, Newton, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
252472 ;
Abstract
This disclosure deals with novel supported platinum catalysts and methods of producing the same by the uniform deposition of colloidal meta-stable, and thus transient, platinum metal particles on the surface of substrates of widely-varying specific surface areas, such particles resulting preferably from the complex sulfite and the like oxidized by a solution of hydrogen peroxide or like oxidant.