IDiyas

For the Inventor, By the Inventor

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.:

US 9365744 B1

PDFFull Text
Date of Patent:
Jun. 14, 2016

Filed:

Dec. 10, 2014

Semiaromatic polyamide comprising a chain ending

Applicant:

Arkema France, Colombes, FR;

Inventors:

Thierry Briffaud, Caorches Saint Nicolas, FR;

Philippe Blondel, Bernay, FR;

Assignee:

ARKEMA FRANCE, Colombes, FR;

Attorney:

Millen, White, Zelano and Branigan, P.C.

Primary Examiner:

Ana Woodward

Int. Cl.
CPC ...
B32B 27/34 (2006.01); C08L 23/26 (2006.01); C08L 77/06 (2006.01); C09D 177/06 (2006.01); C08G 69/26 (2006.01); C08G 69/28 (2006.01); C08G 69/36 (2006.01); C08L 37/00 (2006.01); B32B 1/08 (2006.01); C08K 3/32 (2006.01);
U.S. Cl.
CPC ...
C09D 177/06 (2013.01); B32B 1/08 (2013.01); C08G 69/26 (2013.01); C08G 69/265 (2013.01); C08G 69/28 (2013.01); C08G 69/36 (2013.01); C08L 37/00 (2013.01); C08L 77/06 (2013.01); C08K 3/32 (2013.01); Y10T 428/139 (2015.01); Y10T 428/1386 (2015.01); Y10T 428/1393 (2015.01); Y10T 428/1397 (2015.01); Y10T 428/29 (2015.01); Y10T 428/2982 (2015.01); Y10T 428/31725 (2015.04);
Abstract

The invention relates to a copolyamide comprising at least two different units corresponding to the following general formulation:A/X.T A is chosen from a unit obtained from an amino acid, a unit obtained from a lactam and a unit corresponding to the formula (Cdiamine).(Cdiacid), with a representing the number of carbon atoms of the diamine and b representing the number of carbon atoms of the diacid, a and b each being between 4 and 36, advantageously between 9 and 18, X.T denotes a unit obtained from the polycondensation of a Cdiamine and of terephthalic acid, with x representing the number of carbon atoms of the Cdiamine, x being between 9 and 36, advantageously between 10 and 18, characterized in that said copolyamide exhibits:

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