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:
Sep. 12, 1995
Filed:
May. 10, 1993
Applicant:
Inventors:
Bernd Bruchmann, Ludwigshafen, DE;
Roland Minges, Gruenstadt, DE;
Christian Schade, Ludwigshafen, DE;
Konrad Stiefenhoefer, Ebertsheim, DE;
Assignee:
BASF Aktiengesellschaft, , US;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
540202 ; 525281 ; 525416 ; 525450 ; 525455 ; 525471 ; 528 52 ;
Abstract
Polymeric, catalytically active compounds comprising polymer chains to which imidazole groups are linked terminally or laterally are used as catalysts for the dimerization of isocyanates.
Quick Actions:
Bruchmann, Bernd. (1995). Imidazole group containing polymeric catalysts their preparation, and (U.S. Patent No. 5449775). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5449775
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