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:
Apr. 12, 2022
Filed:
Sep. 20, 2016
Applicant:
Arkema France, Colombes, FR;
Inventors:
Yves Deyrail, Aviron, FR;
Mathieu Sabard, Serquigny, FR;
Philippe Blondel, Bernay, FR;
René-Paul Eustache, Combon, FR;
Assignee:
ARKEMA FRANCE, Colombes, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 77/02 (2006.01); C08G 69/36 (2006.01); C08L 77/06 (2006.01);
U.S. Cl.
CPC ...
C08L 77/02 (2013.01); C08G 69/36 (2013.01); C08L 77/06 (2013.01);
Abstract
The invention relates to the use of at least one prepolymer in a composition which includes: a matrix of at least one transparent semi-crystalline polyamide, and optionally at least one additive, for improving the crystallisation kinetics and reducing the warping of the composition while preserving or improving the transparency properties thereof as well as the mechanical properties thereof, in comparison with the same composition without a prepolymer, wherein the composition does not contain a nucleating agent.