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. 18, 2005
Filed:
Jun. 10, 2003
Applicants:
Michael Schelhaas, Köln, DE;
Christoph Gürtler, Köln, DE;
Beate Baumbach, Burscheid, DE;
Christian Füssel, Tönisvorst, DE;
Inventors:
Michael Schelhaas, Köln, DE;
Christoph Gürtler, Köln, DE;
Beate Baumbach, Burscheid, DE;
Christian Füssel, Tönisvorst, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 26500 ;
U.S. Cl.
CPC ...
Abstract
Blocked polyisocyanates, their preparation and use in one-component coating materials. In organic polyisocyanates having at least two isocyanate groups, the isocyanate groups are blocked with OH acidic cyclic ketones of the general formula (I). The blocked polyisocyanate system of the invention reacts without elimination of the blocking agent and possesses low crosslinking temperatures.