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:
Oct. 14, 2014
Filed:
Mar. 19, 2008
Applicant:
Klaus Hilmer, Brockum, DE;
Inventor:
Klaus Hilmer, Brockum, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/82 (2006.01); C08L 75/06 (2006.01); C08G 18/10 (2006.01); C08G 18/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
Process for reacting thermoplastic polyurethanes with compounds having isocyanate groups, wherein the reaction is carried out in the presence of a prepolymer which is the reaction product of (a) isocyanates with (b) compounds which are reactive toward isocyanates and have a molecular weight in the range from 500 g/mol to 10 000 g/mol, preferably from 2000 g/mol to 8000 g/mol, and the prepolymer has a glass transition temperature Tg measured by means of DSC in accordance with DIN EN ISO 11357-1 below −35° C.