Photosensitive composition

Details Photosensitive composition Photosensitive composition

1977-09-09

1979-08-07

Kelley, Mary F.

Gas separation: apparatus

Electric field separation apparatus

Electrode retaining or supporting means

96 91R, 96115R, G03C 152, G03C 168

Patent

active

041636724

ABSTRACT:
This invention relates to a photosensitive composition comprising an ester or an amide of an o-naphthoquinone diazide sulfonic or carboxylic acid and, based upon the amount of this compound, about 1 to 50 percent by weight of an organic dye capable of salt formation, and about 5 to 75 percent by weight of a photosensitive halogen-containing diazonium salt which releases acid upon exposure to light and having the general formula I ##STR1## IN WHICH R.sub.a is selected from the group consisting of hydrogen, halogen, an alkyl, alkoxy, aryl, arylmercapto, aryloxy, arylamino or benzoylamino group, R.sub.b and/or R.sub.c are selected from the group consisting of hydrogen, an alkyl, alkoxy, aryloxy, alkylmercapto or arylmercapto group, A is selected from the group consisting of PF.sub.6, BF.sub.4, AsF.sub.6, SbCl.sub.6, SnCl.sub.6, BiCl.sub.5, ZnCl.sub.4 or SbF.sub.6, and x is 1 or 2, with R.sub.a and R.sub.c simultaneously not being hydrogen.

REFERENCES:
patent: 3046110 (1962-07-01), Schmidt
patent: 3046115 (1962-07-01), Schmidt et al.
patent: 3046116 (1962-07-01), Schmidt
patent: 3890152 (1975-06-01), Ruckert et al.
patent: 3929488 (1975-12-01), Smith
patent: 3969118 (1976-07-01), Stahlhofen et al.

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