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:
Dec. 11, 1990
Filed:
Dec. 01, 1988
Applicant:
Inventors:
Krishnamurthy N Mani, Basking Ridge, NJ (US);
Frederick P Chlanda, Rockaway, NJ (US);
Yu-Chih Chiao, Bridgewater, NJ (US);
Assignee:
Allied-Signal Inc., Morristown, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ; B01D / ;
U.S. Cl.
CPC ...
2041823 ; 2041824 ; 2041825 ; 204301 ; 204 98 ;
Abstract
The present invention is a method of recovery of base from material comprising base or acid and salts. The method is conducted in an apparatus comprising a cation membrane between two bipolar membranes.