Patent ID: 6670111
Filing Date: 2003-12-30
Classification: C09B,G03C

Abstract:
A process for preparing a dispersion which comprises codispersing in an aqueous medium a sucrose derivative represented by general formula (1): wherein substituents X1 to X8, being the same or different, represent a hydrogen atom, an alkyl group or an acyl group, with the proviso that at least four of the X1 to X8 substituents are different from hydrogen and that the total sum of the carbon atoms of X1 to X8 substituents is at least sixteen; and a photographic compound represented by general formula (2): wherein R and R1 each independently represents a hydrogen atom, an alkyl group, an alkylene group, a heterocyclic group or an aryl group; R2, R3 and R4 each independently represent a hydrogen atom, an alkyl group, an aryl group, and R3 and R4 may be combined to form a 6-membered ring.