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:
Sep. 19, 2017
Filed:
Aug. 28, 2012
John Gavenonis, Wilmington, DE (US);
Anna Kutty Mathew, Kingston, CA;
Karl Paul Maurer, North Branch, MN (US);
Shengmei Yuan, Newark, DE (US);
John Gavenonis, Wilmington, DE (US);
Anna Kutty Mathew, Kingston, CA;
Karl Paul Maurer, North Branch, MN (US);
Shengmei Yuan, Newark, DE (US);
E I DU PONT DE NEMOURS AND COMPANY, Wilmington, DE (US);
Abstract
Disclosed is a injection molded composite wheel, including a thermoplastic polyamide composition consisting essentially of (A) 20 to 70 weight percent of at least one polyamide resin including at least one repeat unit selected from the group consisting of the formulas—C(O)(CH)C(O)NH(CH)NH—  (I),—C(O)(CH)C(O)NH(CH)NH—  (II),—C(O)(CH)C(O)NH(CH)NH—  (III), and—C(O)(CH)C(O)NH(CH)NH—  (IV);wherein n is an integer selected from 4, 6, and 10, and with the proviso that when the polyamide resin has repeat units of formula (I), at least one other repeat unit of formula (II)-(IV) is also present in at least 30 mol % content; (B) 20 to 65 weight percent of one or more fiber reinforcing agents, and (C) 0 to 20 weight percent of one or more polymer impact modifiers.