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:
May. 14, 1991
Filed:
Jul. 18, 1988
Applicant:
Inventors:
Toshiya Tanabe, all Kawasaki, JP;
Shigemitsu Abe, all Kawasaki, JP;
Masazumi Date, all Kawasaki, JP;
Tetsuya Kawakita, all Kawasaki, JP;
Assignee:
Ajinomoto Co., Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
E01D / ;
U.S. Cl.
CPC ...
210638 ;
Abstract
A method for separating electrolytes which have different charges of the same sign or of carrying out ion exchange of electrolytes with counterions, which comprises causing the electrolytes (anion or cation) to pass through a positively or negatively charged loose reverse-osmotic membrane, in an aqueous solution.