Electrical resistors – Resistance value responsive to a condition – Gas – vapor – or moisture absorbing or collecting
Patent
1975-10-20
1978-11-14
Wolk, Morris O.
Electrical resistors
Resistance value responsive to a condition
Gas, vapor, or moisture absorbing or collecting
23230L, 23230M, 324 65R, 338223, 422 69, G01N 2704
Patent
active
041258223
ABSTRACT:
The presence of an organic liquid is detected by means of a probe which comprises a rubber-like material which is swellable in an organic liquid, which rubber-like material has electrically-conductive solid particles distributed therethrough, in such concentration as to touch each other.
REFERENCES:
patent: 2589983 (1952-03-01), Blodgett et al.
patent: 2626381 (1953-01-01), Olson
patent: 3295088 (1966-12-01), Smith
patent: 3479864 (1969-11-01), Patterson
patent: 3800219 (1974-03-01), Fosberg
Perren Benno
Schreiber Herbert
Turk Arnold
Wolk Morris O.
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