Patent ID: 7225926

Claim:
A container containing a photographic treatment composition, which comprises: an opening through which the photographic treatment composition is discharged; a cover or a sealing member for closing the opening; a bottom formed opposite to the opening; a columnar portion sandwiched between the opening and the bottom to substantially accommodate the photographic treatment composition, the columnar portion having a substantially uniform cross-section throughout its height; and a shoulder portion for joining the columnar portion and the opening, wherein the container has a shape dimension that (1) a surface of projection of the columnar portion on the surface of the bottom is in the form of a rectangle or a square having a first side and a second side, the length of which first side is 40 mm to 100 mm and a ratio of the second side with respect to the first side is 0.7 to 1.0 or a circle having an inner diameter of 40 mm to 100 mm, (2) a ratio of the height of the columnar portion with respect to the first side or the inner diameter is 2.0 times to 4.0 times, and (3) an angle of inclination, which is an angle made from the surface of the bottom, of the shoulder portion made from the columnar portion to the opening is 15° to 45°, and wherein the container comprises as a resin, only high-density polyethylene (HDPE) having a density of 0.941 to 0.969 g/cm 3 and a melt index of 0.3 g/10 min to 5.0 g/10 min and the photographic treatment composition is a developing treatment composition, or a treatment composition having at least one of a bleaching function and a fixing function.