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:
Dec. 21, 2021
Filed:
May. 10, 2019
Applicant:
E I Du Pont DE Nemours and Company, Wilmington, DE (US);
Inventors:
Thomas Edward Carney, Orient, OH (US);
Jeffrey Michael Bartolin, Westerville, OH (US);
Meredith L Dunbar, Canal, OH (US);
Scott John Herrmann, Gahanna, OH (US);
Assignee:
E I DU PONT DE NEMOURS AND COMPANY, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/28 (2006.01); C08J 5/18 (2006.01); C08L 79/08 (2006.01);
U.S. Cl.
CPC ...
B32B 27/281 (2013.01); C08J 5/18 (2013.01); C08L 79/08 (2013.01); B32B 2264/0214 (2013.01); B32B 2264/108 (2013.01); B32B 2264/12 (2013.01); B32B 2264/303 (2020.08); B32B 2307/408 (2013.01); B32B 2457/08 (2013.01); C08J 2379/08 (2013.01); Y10T 428/31721 (2015.04);
Abstract
The present disclosure is directed to a base film having a chemically converted polyimide, a particulate polyimide matting agent and a low conductivity carbon black. The particulate polyimide matting agent is present in an amount from 1.6 to 9 weight percent of the base film.