Gas separation: apparatus – Electric field separation apparatus – Collecting electrode details
Patent
1976-01-20
1977-09-06
Klein, David
Gas separation: apparatus
Electric field separation apparatus
Collecting electrode details
96 3, 96 29D, 96 56, 96 562, 96 74, 96 76R, 96 77, 96 95, 96100R, G03C 110, G03C 140, G03C 148, G03C 700
Patent
active
040465748
ABSTRACT:
A color photographic material having a silver halide emulsion layer and containing a thioether compound which is reactable on chromogenic development thereby releasing a diffusible substance which inhibits the development of the silver halide.
The thioether compound is a homophthalimide containing a removable mercapto group containing moiety in the 4-position and its nitrogen in the 2-position atom being a tertiary nitrogen.
REFERENCES:
patent: 3028238 (1962-04-01), Poschel et al.
patent: 3227554 (1966-01-01), Barr et al.
patent: 3580722 (1971-05-01), Sakamoto et al.
patent: 3632345 (1972-01-01), Marx et al.
patent: 3647452 (1972-03-01), Hendess et al.
patent: 3928041 (1975-12-01), Fujiwhara et al.
patent: 3932185 (1976-01-01), Matsuura
patent: 3938996 (1976-02-01), Fujiwhara et al.
Odenwalder Heinrich
Puschel Walter
Ranz Erwin
Vetter Hans
AGFA-Gevaert Aktiengesellschaft
Klein David
Schilling Richard L.
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