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:
Dec. 28, 1982
Filed:
Feb. 26, 1982
Applicant:
Inventors:
Arthur C Schulz, North Tonawanda, NY (US);
Edward H Cook, Jr, Niagara Falls, NY (US);
Krishnan Viswanathan, Niagara Falls, NY (US);
Assignee:
Occidental Chemical Corporation, Niagara Falls, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C25B / ; C25B / ; C23F / ;
U.S. Cl.
CPC ...
204 98 ; 204197 ; 204252 ; 204283 ; 204128 ;
Abstract
A foraminous protective cathode for diaphragm-type electrolytic cells having a steel cathode and polymeric microporous separator reduces or eliminates separator plugging thereby increasing useful life-expectancy of the separator. The protective cathode positioned between the primary steel cathode and separator has an electroconductive metallic surface of nickel, cobalt, copper, chromium, noble metals, noble metal oxides or mixtures thereof.