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. 12, 1991
Filed:
Feb. 08, 1990
Applicant:
Inventor:
Edgard Nicolas, Rosignano, IT;
Assignee:
Solvay & Cie (Societe Anonyme), Brussels, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25B / ;
U.S. Cl.
CPC ...
204 92 ; 204 93 ; 204128 ; 204129 ; 2042 / ; 2042 / ; 204291 ; 204292 ; 204293 ;
Abstract
Process for the manufacture of alkali metal sulphide, in which an electrolysis cell is used in which a membrane which is selectively permeable to cations separates an anode chamber containing an anode from a cathode chamber containing a cathode, an electrolyte containing alkali metal is electrolyzed in the anode chamber and an aqueous solution of alkali metal polysulphide is electrolyzed simultaneously in the cathode chamber.
Quick Actions:
Nicolas, Edgard. (1991). Process for the electrolytic manufacture of alkali metal sulphide (U.S. Patent No. 4992148). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4992148
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile