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.

Date of Patent:
Mar. 02, 1993

Filed:

Jul. 20, 1992
Applicant:
Inventors:

Kazuhiko Ohashi, Okayama, JP;

Hiroshi Kato, Okayama, JP;

Takayuki Wani, Okayama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
4283193 ; 4283155 ; 4283159 ; 4283197 ; 428422 ; 427337 ; 4273722 ; 427404 ;
Abstract

A platinum or platinum-alloy plated porous fluoropolymer membrane where the plated metal adheres to the membrane through a coating of a cation-exchange material on the membrane.


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