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. 16, 1996
Filed:
Nov. 08, 1994
Applicant:
Inventors:
Reinhard Wagener, Kelkheim, DE;
Jurgen Schneider, Waldems, DE;
Ulrich Delius, Frankfurt am Main, DE;
Friedrich Herold, Hofheim am Taunus, DE;
Georg-Emerich Miess, Regensburg, DE;
Ulrich Meyer-Blumenroth, Idstein/Taunus, DE;
Assignee:
Hoechst Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
210490 ; 21050023 ; 21050038 ;
Abstract
A macroporous, asymmetric, hydrophilic membrane is described, which contains a copolyamide which has the following recurring structural units: