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. 08, 2016
Filed:
Sep. 12, 2012
Philippe Desbois, Edingen-Neckarhausen, DE;
Andreas Wollny, Ludwigshafen, DE;
Andreas Radtke, Mannheim, DE;
Bernd Bruchmann, Freinsheim, DE;
Anna Karina Möller, Darmstadt, DE;
Philippe Desbois, Edingen-Neckarhausen, DE;
Andreas Wollny, Ludwigshafen, DE;
Andreas Radtke, Mannheim, DE;
Bernd Bruchmann, Freinsheim, DE;
Anna Karina Möller, Darmstadt, DE;
BASF SE, Ludwigshafen, DE;
Abstract
The present invention relates to a process for preparing a composition comprising (A) at least one lactam, (B) at least one catalyst, (C) an activator from the group consisting of isocyanates, acid anhydrides, acyl halides, reaction products thereof with (A) and mixtures thereof, (D) at least one polyethyleneimine. The invention likewise relates to a composition comprising (i) 0.01 to 10 wt %, based on the sum total of components (A) and (D), of at least one polyethyleneimine, and (ii) 90 to 99.99 wt %, based on the sum total of components (A) and (D), of at least one lactam (A) and/or polyamide obtainable from (A).