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.:

US 8575260 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 05, 2013

Filed:

Dec. 01, 2011
Applicants:

Vince Arancio, Bristol, GB;

Jay Robert Dorfman, Durham, NC (US);

Inventors:

Vince Arancio, Bristol, GB;

Jay Robert Dorfman, Durham, NC (US);

Assignee:

E I du Pont de Nemours and Company, Wilmington, DE (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 27/00 (2006.01); B23K 13/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention is directed to a polymer thick film encapsulant composition comprising thermoplastic fluoropolymer resin and acrylic resin dissolved in organic solvents. The deposited encapsulant composition is processed at a time and energy sufficient to remove all solvent and form an encapsulant. The invention is further directed to using the encapsulant composition to form an encapsulant in PTC heater circuitry and, in particular, in PTC heater circuitry in mirror heater and seat heater applications.


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