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. 13, 1992
Filed:
Nov. 29, 1991
Applicant:
Inventors:
Volker Ullrich, Schriesheim, DE;
Clemens Schudok, Hemsbach, DE;
Assignee:
Rhein Chemie Rheinau GmbH, Mannheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
556 90 ; 556 81 ; 556 87 ; 556 88 ; 556 89 ; 556 94 ; 556106 ; 556107 ; 528 45 ; 528 58 ; 521117 ; 521126 ;
Abstract
Reaction products of dibutyl tin oxide with selected aromatic aminocarboxylic acids, a process for their preparation and their use as catalysts for the preparation of polyurethanes.