176624 ⎘
Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes; Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials; Additives; Organic compounds; Heterocyclic the nucleus containing only nitrogen as hetero atoms two nitrogen atoms
SILVER HALIDE PHOTOSENSITIVE MATERIAL
#2Photographic element containing a speed-enhancing compound
#3Photographic element with speed-enhancing compound
#4Silver halide photosensitive material
#5Method for forming images and silver halide color photographic photosensitive material