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:
Jun. 11, 1991
Filed:
Nov. 06, 1990
Applicant:
Inventors:
Louis E Branovich, Howell, NJ (US);
Gerard L Freeman, Freehold, NJ (US);
Donald W Eckart, Wall, NJ (US);
Bernard Smith, Ocean, NJ (US);
Assignee:
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
445 50 ; 3133 / ;
Abstract
A long life high current density cathode is made from a mixture of aluminum xide and tungsten oxide powders by processing the powders into a fused powder, adding barium hydride to the fused powder, inverting the fused powder and heating to decompose the barium hydride and obtain barium metal.