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:
Mar. 24, 2026
Filed:
Nov. 10, 2021
Applicant:
Arkema France, Colombes, FR;
Inventors:
Sébastien Quinebeche, Serquigny, FR;
Thierry Briffaud, Serquigny, FR;
Gérald Romazini, Serquigny, FR;
Assignee:
ARKEMA FRANCE, Puteaux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 69/30 (2006.01); B29B 7/48 (2006.01); B29B 7/82 (2006.01); C08G 69/06 (2006.01); B29K 77/00 (2006.01); B29K 105/00 (2006.01);
U.S. Cl.
CPC ...
C08G 69/30 (2013.01); B29B 7/48 (2013.01); B29B 7/82 (2013.01); C08G 69/06 (2013.01); B29K 2077/00 (2013.01); B29K 2105/0094 (2013.01);
Abstract
The present invention relates to a method for continuously preparing a polyamide prepolymer, the viscosity in solution of which is comprised between 0.25 dL/g and 0.70 dL/g, as measured according to ISO 307:2007 in m-cresol at 20° C.,