Gas separation: apparatus – Electric field separation apparatus – Including gas flow distribution means
Patent
1976-12-22
1978-08-08
Brown, J. Travis
Gas separation: apparatus
Electric field separation apparatus
Including gas flow distribution means
96109, 961141, 961146, G03C 102, G03C 172, G03C 134
Patent
active
041054512
ABSTRACT:
An improved photothermographic material can be prepared by sequentially mixing the following components: (1) a dispersion comprising a 2-mercaptobenzothiazole, 2-mercaptobenzimidazole, 2-mercaptobenzoxazole or 2-mercaptobenzoselenazole compound and a silver salt of certain heterocyclic thiones with (2) a reducing agent solution, (3) a binder, and (4) a silver halide photosensitive composition containing a spectral sensitizing dye, such as a symmetrical or unsymmetrical thiosulfato substituted benzimidazolocarbocyanine dye. A photothermographic material containing the described components can provide a developed image after imagewise exposure by merely heating the material to moderately elevated temperatures.
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Reed Ralph C.
Smith James G.
Brown J. Travis
Eastman Kodak Company
Knapp Richard E.
Suro Pico Alfonso T.
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