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:
Jan. 08, 1991
Filed:
Jul. 12, 1989
Applicant:
Inventors:
Dirk Lawrenz, Ditzingen, DE;
Hans Schupp, Worms, DE;
Thomas Schwerzel, Ludwigshafen, DE;
Hans-Josef Oslowski, Muenster, DE;
Ulrich Heimann, Muenster, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 69 ; 528 73 ;
Abstract
Heat-reactive crosslinking agents for surface coating binders, based on phenolic Mannich bases, are obtainable by reacting