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:
Nov. 25, 2014
Filed:
Dec. 31, 2012
Applicant:
Basf SE, Ludwigshafen, DE;
Inventor:
Gunnar Kampf, Stemwede-Haldem, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/00 (2006.01); C08G 18/40 (2006.01); C08G 18/76 (2006.01); C08G 18/34 (2006.01); C08G 18/22 (2006.01); C08G 18/42 (2006.01); C08G 101/00 (2006.01);
U.S. Cl.
CPC ...
C08G 18/34 (2013.01); C08G 18/4018 (2013.01); C08G 18/7664 (2013.01); C08G 2101/0025 (2013.01); C08G 18/225 (2013.01); C08G 18/4288 (2013.01); C08G 2105/02 (2013.01);
Abstract
Rigid polyurethane foams or rigid polyisocyanurate foams with low brittleness are produced by the reaction of polyisocyanate polyetherester polyols based on aromatic dicarboxylic acids obtained by esterification of a dicarboxylic acid composition containing aromatic dicarboxylic acids and aliphatic dicarboxylic acids, fatty acids, aliphatic or cycloaliphatic diols having 2 to 18 carbon atoms or alkoxylates thereof, and a polyether polyol having a functionality of not less than 2.