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:
Oct. 25, 2016
Filed:
Oct. 27, 2011
Andri E. Elia, Chadds Ford, PA (US);
Olaf Norbert Kirchner, Genolier, CH;
Martyn Douglas Wakeman, Gland, CH;
Shengmei Yuan, Newark, DE (US);
Andri E. Elia, Chadds Ford, PA (US);
Olaf Norbert Kirchner, Genolier, CH;
Martyn Douglas Wakeman, Gland, CH;
Shengmei Yuan, Newark, DE (US);
E I DU PONT DE NEMOURS AND COMPANY, Wilmington, DE (US);
Abstract
Disclosed are composite structures having improved heat aging, processes for making them, and end use articles. The composite structures comprise a polyamide matrix resin composition comprising copper based heat stabilizer; a fibrous material and a polyamide surface resin composition comprising surface heat stabilizer; wherein the surface heat stabilizer is different than the copper based heat stabilizer.