Gas separation: apparatus – Electric field separation apparatus – Electrode retaining or supporting means
Patent
1975-06-19
1977-04-05
Brown, J. Travis
Gas separation: apparatus
Electric field separation apparatus
Electrode retaining or supporting means
96 56, 96100, G03C 184, G03C 700
Patent
active
040159906
ABSTRACT:
A tocopherol derivative represented by the general formula, ##STR1## wherein R, R.sub.1 and R.sub.2 represent individually a hydrogen atom or a methyl group; and R.sub.3 represents a straight chain or branched-chain alkyl group having 1 to 18 carbon atoms, or a substituted or unsubstituted aryl group, is incorporated as a light-fading stabilizer into the photosensitive layer of a color photographic lightsensitive material, whereby the photographic material can be prevented not only from fading and discoloration of the finally obtained color image and from discoloration of the non-color-developed portion, but also from formation of fog. Furthermore, the said stabilizer itself is excellent in dispersion stability.
REFERENCES:
patent: 3432300 (1969-03-01), Lestina et al.
patent: 3574627 (1971-04-01), Stern et al.
patent: 3698909 (1972-10-01), Lestina et al.
patent: 3930866 (1976-01-01), Oishi et al.
Hiraishi Shigetoshi
Ikeda Hiroshi
Ishida Yaichi
Brown J. Travis
Mitsubishi Paper Mills Ltd.
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