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:
Jun. 21, 1988

Filed:

Dec. 19, 1986
Applicant:
Inventors:

James W McMichael, Lake Jackson, TX (US);

Robert D Door, West Columbia, TX (US);

Assignee:

The Dow Chemical Company, Midland, MI (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25B / ;
U.S. Cl.
CPC ...
204283 ; 204282 ; 204 98 ; 429 30 ; 429 33 ; 429 41 ;
Abstract

The invention is a membrane/electrode combination having an electrically conductive screen which has a first and a second face. The first face is substantially flat and the screen has a plurality of openings passing through it. The openings connect the first and the second faces of the screen and occupy up to about 75% of the surface area of each face of the electrically conductive screen. There is also an ion exchange membrane film having a first and a second face. The first face of the membrane film is attached to the first face of the electrically conductive screen, thereby leaving portions of the first face of the membrane film exposed through the openings in the electrically conductive screen. A plurality of catalytically active particles are disposed on the exposed portions of the first face of the membrane film and are in electrical and physical contact with the membrane and with the electrically conductive screen.


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