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:
Aug. 03, 2010
Filed:
Mar. 30, 2005
James Rawlins, Petal, MS (US);
Michael Grahl, Leverkusen, DE;
Dorota Greszta-franz, Erkrath, DE;
Hans-josef Laas, Bergisch Gladbach, DE;
Reinhard Halpaap, Odenthal, DE;
James Rawlins, Petal, MS (US);
Michael Grahl, Leverkusen, DE;
Dorota Greszta-Franz, Erkrath, DE;
Hans-Josef Laas, Bergisch Gladbach, DE;
Reinhard Halpaap, Odenthal, DE;
Bayer MaterialScience AG, Leverkusen, DE;
Abstract
The present invention relates to polyurethane powder coating compositions that do not split off blocking agents and have a low stoving temperature. The powder coating compositions contain a hydroxyl functional binder component having a content of carboxyl groups of from 0.5 to 2.0 wt. %, a polyaddition compound, at least one zinc compound as a hardening catalyst, and a compound reactive to carboxyl groups.