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:
Nov. 01, 2016
Filed:
Dec. 10, 2014
E I Du Pont DE Nemours and Company, Wilmington, DE (US);
Thomas Edward Carney, Orient, OH (US);
Jeffrey Michael Bartolin, Westerville, OH (US);
Christopher Robert Becks, Grove City, OH (US);
E I DU PONT DE NEMOURS AND COMPANY, Wilmington, DE (US);
Abstract
The present disclosure is directed to multilayer film having has an L* color less than 30 and a 60 degree gloss value less than 10. The multilayer film has a first polyimide layer and a second polyimide layer. The second polyimide layer has 45 to 67 wt % of a polyimide, greater than 14 wt % of a silica matting agent or a mixture of silica matting agent and at least one additional matting agent, and at least one submicron carbon black, wherein the total amount of the submicron carbon black and the polyimide is less than 85 wt % and greater than 45 wt %.