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.

Date of Patent:
Apr. 21, 2026

Filed:

Nov. 16, 2021
Applicant:

Arkema France, Colombes, FR;

Inventors:

Thomas Prenveille, Serquigny, FR;

Mathieu Sabard, Serquigny, FR;

Fabrice Glasson, Serquigny, FR;

Olivier Massot, Serquigny, FR;

Assignee:

ARKEMA FRANCE, Puteaux, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 77/06 (2006.01); B32B 27/08 (2006.01); B32B 27/34 (2006.01); C08K 7/14 (2006.01); C08L 53/02 (2006.01); C08L 77/02 (2006.01);
U.S. Cl.
CPC ...
C08L 77/06 (2013.01); C08K 7/14 (2013.01); C08L 53/02 (2013.01); C08L 77/02 (2013.01); B32B 27/08 (2013.01); B32B 27/34 (2013.01); B32B 2262/101 (2013.01); B32B 2270/00 (2013.01); B32B 2307/412 (2013.01); B32B 2307/546 (2013.01); C08L 2201/10 (2013.01); C08L 2203/30 (2013.01); C08L 2205/025 (2013.01); C08L 2205/03 (2013.01); C08L 2207/53 (2013.01);
Abstract

A transparent molding composition including, by weight (with a total of 100%): (A) 35 to 84% of a polyamide mixture including: 10 to 95% by weight of at least one semi-crystalline aliphatic polyamide, whose average number of carbon atoms relative to nitrogen atoms is greater than or equal to 8; 90 to 5% by weight of at least one amorphous polyamide; (B) from over 10 to 30% of at least one impact modifier; (C) from 6 to 20% of short glass fibers; (D) 0 to 10% of at least one prepolymer; and (E) 0 to 5% of at least one additive selected from stabilizers, dyes, plasticizers, processing aids or a mixture thereof, the index of refraction of each constituent (A), (B), (C) and (D) being included between 1.500 and 1.540, and wherein said composition has no PEBA and has a dry-measured modulus at 23° C. over 1700 MPa.


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