Photographic materials with novel cyan dye forming couplers

Details Photographic materials with novel cyan dye forming couplers Photographic materials with novel cyan dye forming couplers

1990-09-27

1991-09-03

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430385, G03C 734

Patent

active

050454420

ABSTRACT:
Photographic materials contain cyan dye forming couplers having good ethyl acetate solubility. The coupler contains a coupling off group with an asymmetric carbon atom. Manufacture of the material is simplified and in some instances the activity of the coupler is increased.

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Mees and James, The Theory of the Photographic Process, 3rd edition, 1966, p. 393.

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