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:
Mar. 31, 1981
Filed:
Dec. 22, 1978
Applicant:
Inventors:
Raymond W Vine, Avon, CT (US);
Stephen T Narsavage, Bolton, CT (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; H01M / ;
U.S. Cl.
CPC ...
428192 ; 428206 ; 428323 ; 428331 ; 428402 ; 428403 ; 428404 ; 428421 ; 428422 ; 429 36 ; 429174 ; 429184 ; 429185 ; 429251 ; 429252 ; 429253 ; 429254 ;
Abstract
A high pressure, low porosity wet seal for a substrate in a fuel cell in which the seal is made up of a granular material having a particle size varying from 10 to 0.1 microns in size bonded together with polytetrafluoroethylene to prevent leakage of the gaseous fuel or oxidant from the cell.