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:
Mar. 03, 2015
Filed:
Oct. 19, 2009
Applicants:
Horst Binder, Lampertheim, DE;
Matthias Kroner, Eisenberg, DE;
Alexander Bayer, Limburgerhof, DE;
Inventors:
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 251/00 (2006.01); C08G 18/73 (2006.01); C07C 263/18 (2006.01); C07C 263/20 (2006.01); C07D 251/34 (2006.01); C08G 18/79 (2006.01); C08G 18/75 (2006.01); C08G 18/02 (2006.01); C08G 18/18 (2006.01);
U.S. Cl.
CPC ...
C08G 18/73 (2013.01); C07C 263/18 (2013.01); C07C 263/20 (2013.01); C07D 251/34 (2013.01); C08G 18/792 (2013.01); C08G 18/798 (2013.01); C08G 18/755 (2013.01); C08G 18/022 (2013.01); C08G 18/1875 (2013.01);
Abstract
The present invention relates to a process for preparing colorless polyisocyanates, in particular for reducing the color of polyisocyanates.