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:
Aug. 01, 1995
Filed:
Feb. 02, 1993
Applicant:
Inventors:
Duncan R Coupland, High Wycombe, GB;
Helena E Hunt, Witney, GB;
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428469 ; 428336 ; 428472 ; 428697 ; 428699 ; 428701 ; 428702 ;
Abstract
A ceramic article for use at high temperatures and in corrosive environments comprises a ceramic substrate on which is deposited a substantially non-porous coating of one or more precious metals or alloys thereof.