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:
Jun. 03, 2025
Filed:
Sep. 11, 2020
Basf SE, Ludwigshafen am Rhein, DE;
Daniela Longo-Schedel, Ludwigshafen, DE;
Isa Alexandra Queiroz Da Fonseca, Ludwigshafen, DE;
Patrick Spies, Ludwigshafen, DE;
Rene Holschuh, Ludwigshafen, DE;
Rainer Birli, Ludwigshafen, DE;
Angelika Keller, Ludwigshafen, DE;
BASF SE, Ludwigshafen am Rhein, DE;
Abstract
Described herein are polyamide foam particles including a polymer mixture including: (A) from 25 to 95 wt.-% of at least one polyamide, which is different from a copolyamide (B); and (B) from 5 to 75 wt.-% of at least one copolyamide prepared by polymerizing the following components: (B1) from 15 to 84 wt.-% of at least one lactam; and (B2) from 16 to 85 wt.-% of monomer mixture (M) including; (M1) at least one C-Cdimer acid; and (M2) at least one C-Cdiamine; where the sum of the components (B1) and (B2) are 100 wt.-%. Also described herein is a process for preparing such polyamide foam particles and polyamide particle foam moldings obtainable by steam-chest molding.