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:
Jan. 11, 2022
Filed:
May. 11, 2020
Dupont Electronics, Inc., Wilmington, DE (US);
H David Rosenfeld, Drumore, PA (US);
Ivan Chen, Taoyuan, TW;
William George Kampert, Wilmington, DE (US);
Ping Tzeng, Taoyuan, TW;
Fred E Nagle, Landenburg, PA (US);
Michael Stephen Wolfe, Wilmington, DE (US);
DUPONT ELECTRONICS, INC., Wilmingtion, DE (US);
Abstract
A polymer thick film carbon black composition comprising 6-13 wt % conductive carbon black powder; and 87-94 wt % organic medium comprising thermoplastic polyurethane resin dissolved in an organic solvent may be used to form the resistive element of heaters in applications where significant stretching is required, particularly on substrates that can be highly elongated and, in particular, that can be used in wearable garment applications.