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:
Oct. 31, 2000
Filed:
Sep. 10, 1996
Applicant:
Inventors:
Ursula Seeliger, Ludwigshafen, DE;
Wolfgang F Mueller, Neustadt, DE;
Frank Heimann, Ludwigshafen, DE;
Guenther Huber, Dannastadt-Schauernheim, DE;
Wolfgang Habermann, Mainz, DE;
Hartwig Voss, Frankenthal, DE;
Hardo Siegel, Speyer, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B / ;
U.S. Cl.
CPC ...
525418 ; 204165 ; 204544 ;
Abstract
A process for the simultaneous production of dicarboxylic acids and diamines from a) polymers based on polyamides of dicarboxylic acids or their derivatives with diamines, or