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. 03, 1987
Filed:
Oct. 04, 1985
Applicant:
Inventors:
Donald D Waters, Lake Jackson, TX (US);
Thomas K Fletcher, Angleton, TX (US);
Stephen P Krupp, Lake Jackson, TX (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B / ;
U.S. Cl.
CPC ...
204296 ; 162138 ; 1621641 ; 264 292 ; 264105 ;
Abstract
A diaphragm or membrane for use in electrolysis cells resistant to chemical action thereof is disclosed. In the preferred and illustrated embodiment, a fluoropolymer binder cooperative with a random mix of carbon fibers up to about 13 mm long and up to about 0.01 mm in diameter forms such diaphragm or membrane. The carbon fibers are preferably pliable, nonbrittle, resilient, electrically nonconductive, impervious to chemical attack, and are annealed up to a specified temperature.