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US 7,125,656 B2Granted
Method for preparation of organic silver salt and photothermographic imaging material
AssigneeKonica Minolta Medical & Graphic, Inc.
InventorSatoshi Ito
Life of this patent
Estimating the term…
Abstract
Organic silver salt particles are manufacture by mixing an aqueous solution containing silver ions with an aqueous solution containing an organic acid alkali salt to form organic silver salt particles, using a mixing device in which plural supply tubes are connected to a discharge tube so that an axis of the discharge tube and axes of the supply tubes coincide at a single point.
Claims19
A method of preparing organic silver salt particles comprising:
- (a) supplying an aqueous solution containing silver ions and an aqueous solution containing an organic acid alkali salt,
- (b) mixing the aqueous solution containing silver ions with the aqueous solution containing an organic acid alkali salt to form organic silver salt particles, and
- (c) discharging a solution containing the organic silver salt particles,
- wherein the aqueous solution containing silver ions and the aqueous solution containing an organic acid alkali salt are each supplied through supply tubes (1) and (2), respectively and the solution containing the organic silver salt particles is discharged through a discharge tube, wherein a center axis of the discharge tube coincides at a single point with center axes of the supply tubes (1) and (2).
1 more element
A method of preparing organic silver salt particles comprising:
- (a) supplying an aqueous solution containing silver ions and an aqueous solution containing an organic acid alkali salt,
- (b) mixing the aqueous solution containing silver ions with the aqueous solution containing an organic acid alkali salt to form organic silver salt particles, and
- (c) discharging a solution containing the organic silver salt particles,
- wherein the aqueous solution containing silver ions is mixed with the aqueous solution containing an organic acid alkali salt using a mixing device in which a discharge tube for discharging the solution containing the organic silver salt particles is connected to supply tubes (1) and (2) for supplying the aqueous solution containing silver ions and the aqueous solution containing an organic acid alkali salt so that a center axis of the discharge tube coincides at a single point with center axes of the supply tubes (1) and (2).
1 more element
Dependencies are inferred from the claim text.