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. 16, 2003
Filed:
Mar. 19, 2002
Applicant:
Inventors:
Edward J. Blok, Wadsworth, OH (US);
Jeffrey A. West, Bellville, OH (US);
Assignee:
Therm-O-Disc Incorporated, Mansfield, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 1/24 ; H01C 7/02 ; H01C 8/00 ;
U.S. Cl.
CPC ...
H01B 1/24 ; H01C 7/02 ; H01C 8/00 ;
Abstract
The invention provides polymeric PTC compositions and electrical PTC devices with higher voltage capability and improved electrical stability. The PTC compositions of the present invention exhibit improved processability and include at a minimum an organic polymner, a conductive filler and a low molecular weight polyethylene processing aid. Depending on device design, the composition can be used in low to high voltage applications.