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:
Oct. 02, 1990
Filed:
May. 22, 1989
Applicant:
Inventor:
James Grundy, San Diego, CA (US);
Assignee:
Johnson Matthey Inc., Valley Forge, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
4284721 ; 428620 ; 148279 ; 148284 ; 106-127 ; 106 1421 ;
Abstract
Palladium metal or a palladium alloy which has been treated with boric acid so as to have a ceramic surface which is less susceptible to oxidation.