Patent ID: 7060424

Claim:
A method of increasing speed of a silver halide color photosensitive material by using at least one type of compound represented by the following general formula (M-1): in the general formula (M-1), R 11 and R 12 independently represent a substituent; and X represents a hydrogen atom or substituent; and wherein, in the formula (M-1), the total number of carbon atoms of R 11 , R 12 and X is 13 to 50, wherein the compound represented by the general formula (M-1) is added to a blue-sensitive silver halide emulsion layer or a red-sensitive silver both of the blue-sensitive silver halide emulsion layer and the red-sensitive silver halide emulsion layer, and wherein the compound represented by the general formula (M-1) is added to the highest speed silver halide light sensitive layer of the blue-sensitive silver halide emulsion layer, the red-sensitive silver halide emulsion layer or both of the blue-sensitive silver halide emulsion layer and the red-sensitive silver halide emulsion layer.