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:
Aug. 11, 1981
Filed:
Mar. 06, 1980
Applicant:
Inventor:
Bruno Mirabelli, Varese, IT;
Assignee:
Industrie Pirelli S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B / ; C25B / ;
U.S. Cl.
CPC ...
204219 ; 204128 ; 204250 ; 204279 ; 204220 ;
Abstract
An electrolytic cell for electrolysis of an aqueous sodium chloride solution is provided with a closure for its open side which is resistant to degradation by chlorine and ozone. The cover has an external elastomeric layer which is stable when exposed to ozone and a polytetrafluoroethylene layer facing the aqueous solution which resists attack by chlorine, and intermediate polyamide, polyester or fiberglass mesh on synthetic rubber layers. The synthetic rubber layer is chloroprene vulcanized with lead oxide.