Thioether substituted silver halide solvents

Details Thioether substituted silver halide solvents Thioether substituted silver halide solvents

1977-06-30

1979-04-17

Rizzo, Nicholas S.

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

544309, 544314, 96 66HD, C07D23924

Patent

active

041502280

ABSTRACT:
The present invention is concerned with novel compounds useful as photographic silver halide complexing agents and with their photographic use. The subject compounds are represented by the formulas ##STR1## wherein one of R.sup.1 and R.sup.2 is --CH.sub.2).sub.x SR.sup.3 and the other of said R.sup.1 and R.sup.2 is --CH.sub.2).sub.y SR.sup.3 wherein R.sup.3 is alkyl, x is a whole number 0 or 1 and y is a whole number from 0 to 5.

REFERENCES:
patent: 2487569 (1947-11-01), MacKey

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