Electric heating – Heating devices – Combined with diverse-type art device
Patent
1992-01-23
1993-04-27
Walberg, Teresa J.
Electric heating
Heating devices
Combined with diverse-type art device
219553, 219543, 219505, 219548, H05B 384
Patent
active
052064824
ABSTRACT:
A positive temperature coefficient coating or layer is produced by applying to a substrate a composition containing a dispersion of conductive particles in a solution of a solvate or solvatable crystalline organic polymer. The coating or layer so formed can be incorporated into temperature self-regulating heating devices.
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