Abstract: A color photographic silver halide material which can be developed to form a negative, at least 95 mol % of the silver halides of which consist of AgCl, and which contains at least one light-sensitive silver halide emulsion layer, the silver halide of which contains at least one compound of formulae (I), (II) and (III): [IrClnF6-n]2−M2+  (I) wherein n denotes 0 or an integer from 1 to 6 and M2+ denotes 1 or 2 cations with a total number of 2 positive charges, [Fe(CN)6]m−Mm+  (II) wherein m denotes 2 or 3 and Mm+ denotes 1 to 3 cations with a total number of m positive charges, wherein o denotes 0, 1 or 2 and R denotes an alkyl, aryl or aralkyl, is distinguished under scanning exposure and on analogue exposure by sharp contrast which is independent of exposure time and by a stable latent image.

Abstract: A color photographic silver halide material which can be developed to form a negative, at least 95 mol % of the silver halides of which consist of AgCl, and which contains at least one light-sensitive silver halide emulsion layer, the silver halide of which contains at least one compound of formulae (I), (II) and (III):

Abstract: A colour photographic silver halide material in which at least one of the blue-sensitive silver halide emulsions is spectrally sensitised with a mixture of at least one seansitising dye of the formula (I) and at least one sensitising dye of the formula (II): in which R1 means an optionally substituted thienyl, pyrroly, indolyl, furamyl or phenyl, in which R5, R6, R7, mean H or R5 and R6 together or R6 and R7 together mean the remaining members of a fused benzo ring and the residual substituent means H and R2, R3, R4, R8, R9, R10 and M have the meaning stated in the description, is distinguished by elevated sensitivity and improved latent image stabilitity.

Abstract: A color photographic silver halide material in which at least one of the blue-sensitive silver halide emulsions is doped with mercury and is spectrally sensitised with a sensitising dye of formula (I) ##STR1## wherein X.sub.1 and X.sub.2, independently of each other, denote O, S, Se, NR,R denotes alkyl or carboxyalkyl,R.sub.1 and R.sub.2 or R.sub.2 and R.sub.3 denote the remaining members for the completion of a phenanthro- or anthraazole ring, and the remaining R.sub.1 or R.sub.3 radical denotes a hydrogen atom,R.sub.4 and R.sub.5, independently of each other, denote a hydrogen atom, alkyl or aryl, orR.sub.4 and R.sub.5 jointly denote the remaining members of an unsubstituted or substituted benzazole, naphthazole, phenanthro- or anthraazole,S.sub.1 and S.sub.2, independently of each other, denote alkyl, sulphoallyl or carboxyalkyl, andM.sup.+ denotes a cation which is possibly necessary for charge equalisation,is distinguished by an improved latent image stability.

Abstract: New silver halide emulsions are prepared at least partly by converting a silver phosphate with a water soluble halide.

Abstract: Silver halide emulsion with an average grain size of at most 0.6 .mu.m containing Co-, Ce- or Cu-salts are suitable for the production of vesicular images.

Abstract: Silver halide emulsions, which have been precipitated in the presence of polymers having recurring units with a 8-hydroxy quinoline structure are suitable for the preparation of vesicular images.