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:
Jul. 12, 1983
Filed:
Jan. 27, 1976
Applicant:
Inventors:
Menahem A Kraus, Rehovot, IL;
Moshe A Frommer, Rehovot, IL;
Mara Nemas, Neve Monoson, IL;
Rodika Gutman, Kiryat Sharet, IL;
Assignee:
A. T. Ramot Plastics, Ltd., Tel-Aviv, IL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210651 ; 210654 ; 2105002 ;
Abstract
A process for the removal of urea from an aqueous solution containing same, which comprises subjecting the solution to reverse osmosis through a polymeric membrane prepared from a polymer of the formula