Photosensitive composition

Details Photosensitive composition Photosensitive composition

1977-09-09

1979-07-10

Kelley, Mary F.

Gas separation: apparatus

Electric field separation apparatus

Electrode retaining or supporting means

G03C 152

Patent

active

041606710

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 on the amount of this compound, about 1 to 50 per cent by weight of an organic dye capable of salt formation and about 5 to 75 per cent by weight of a photosensitive halogen-containing compound which releases acid upon exposure to light and having one of the general formulae I or II ##STR1## in which R.sub.a is an aryl group or a heterocyclic group which may be substituted, R.sub.b is a trihaloalkyl group or a trihaloalkenyl group having from 1 to 3 carbon atoms, and n is 1, 2 or 3.

REFERENCES:
patent: 3046110 (1962-07-01), Schmidt
patent: 3046115 (1962-07-01), Schmidt et al.
patent: 3046116 (1962-07-01), Schmidt
patent: 3632344 (1972-01-01), Moraw et al.
patent: 3775113 (1973-11-01), Bonham et al.
patent: 3779761 (1973-12-01), Dustin
patent: 4009033 (1977-02-01), Bakos et al.

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