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:
Feb. 02, 1988
Filed:
Jan. 28, 1985
Applicant:
Inventor:
Thomas C Bissot, Newark, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B / ; C25B / ;
U.S. Cl.
CPC ...
204 98 ; 204128 ;
Abstract
In an improved process for the electrolysis of sulfate-containing brine in a membrane cell, the thickness of the membrane, the concentration of sodium sulfate in the brine and the current density through the membrane in the operating cell are controlled to prevent sulfate damage to the membranes.