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:
Sep. 22, 2015
Filed:
Sep. 28, 2012
Applicants:
Philippe Desbois, Edingen-Neckarhausen, DE;
Bernd Bruchmann, Freinsheim, DE;
Dietrich Scherzer, Neustadt, DE;
Andreas Wollny, Ludwigshafen, DE;
Andreas Radtke, Mannheim, DE;
Inventors:
Philippe Desbois, Edingen-Neckarhausen, DE;
Bernd Bruchmann, Freinsheim, DE;
Dietrich Scherzer, Neustadt, DE;
Andreas Wollny, Ludwigshafen, DE;
Andreas Radtke, Mannheim, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08G 69/14 (2006.01); C09D 177/02 (2006.01); C08G 69/18 (2006.01); C08G 18/80 (2006.01); C08G 69/20 (2006.01);
U.S. Cl.
CPC ...
C09D 177/02 (2013.01); C08G 69/18 (2013.01); C08G 18/8074 (2013.01); C08G 69/20 (2013.01); C08J 2475/00 (2013.01);
Abstract
The present invention relates to a process for producing polyamides, preferably crosslinked polyamides, via anionic polymerization of lactams in the presence of an anionic catalyst and of a caprolactam-capped polyisocyanate, where said isocyanate comprises more than 3.5 capped isocyanate groups.