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. 07, 1995
Filed:
Jun. 08, 1993
Applicant:
Inventor:
Louis Bourgeois, Brussels, BE;
Assignee:
Solvay (Societe Anonyme), Brussels, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
2041824 ; 210650 ; 210651 ; 423551 ;
Abstract
Process for the manufacture of an aqueous solution of sodium hydroxide by electrodialysis of an aqueous solution (15) of a sodium salt derived from an acid of pK lower than the pK of carbonic acid, the solution being obtained by circulating an aqueous solution of the said acid (14) and an aqueous solution of sodium carbonate (13) on either side of a cationic membrane (12).