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. 24, 1981
Filed:
Sep. 12, 1979
Applicant:
Inventors:
Klaus Elfert, Krefeld, DE;
Hans J Rosenkranz, Krefeld, DE;
Gerhard D Wolf, Dormagen, DE;
Francis Bentz, Cologne, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210654 ; 2105002 ; 526288 ;
Abstract
A disulphimide group-containing acrylonitrile copolymer semi-permeable membrane which comprises:
Elfert, Klaus. (1981). Process of using a semi-permeable membrane of acrylonitrile copolymers (U.S. Patent No. 4252652). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4252652
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile