Gas separation: apparatus – Electric field separation apparatus – Including gas flow distribution means
Patent
1977-11-21
1979-03-13
Brown, J. Travis
Gas separation: apparatus
Electric field separation apparatus
Including gas flow distribution means
96122, G03C 530, G03C 108
Patent
active
041440706
ABSTRACT:
A light-sensitive silver halide photographic material containing at least one compound selected from the compounds represented by the following general formula (I) and at least one compound selected from compounds represented by the following general formula (II): ##STR1## General formula (I) wherein Z represents a non-metal atomic group necessary for forming a pyrroline, thiazoline or selenazoline ring, Y.sub.1 represents oxygen, sulfur, selenium or an N-R.sub.3 group (in which R.sub.3 represents an alkyl-, alkenyl- or aryl-group), R represents hydrogen or lower alkyl, and R.sub.1 and R.sub.2 individually represent an alkyl-, alkenyl- or aryl-group; General formula (II) ##STR2## wherein P represents ##STR3## (in which R.sub.5 and R.sub.6 individually represent an alkyl-, alkenyl- or aryl-group), Y.sub.2 represents oxygen, sulfur, selenium, or an >N-R.sub.7 group (in which R.sub.7 represents an alkyl-, alkenyl- or aryl-group), and R.sub.4 represents an alkyl-, alkenyl- or aryl-group.
REFERENCES:
patent: 2944896 (1960-07-01), Riester
patent: 3573914 (1971-04-01), Masseth
patent: 3895948 (1975-07-01), Shiba et al.
Fujimori Noboru
Matsumoto Masayuki
Nagatani Toshio
Brown J. Travis
Konishiroku Photo Industry Co,., Ltd.
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