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:
Jun. 18, 1985
Filed:
Jun. 06, 1983
Applicant:
Inventors:
Keith G Moss, Cheshire, GB;
Peter J Smith, Cheshire, GB;
Robin A Woolhouse, Bunbury Nr. Tarporley, GB;
Assignee:
Imperial Chemical Industries, PLC, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B / ;
U.S. Cl.
CPC ...
204296 ; 204 98 ;
Abstract
Treating a sheet of ion-exchange membrane in order to decrease the voltage of operation of an electrolytic cell containing the membrane by swelling the membrane in a liquid medium, the extent of swelling on the anode side being greater than the extent of swelling on the cathode side, and the extent of swelling on the anode side being greater than that effected by contacting the membrane with the electrolyte to be electrolyzed.