Adhesive patch comprising diclofenac sodium
AssigneeHisamitsu Pharmaceutical Co., Inc.
InventorsEisuke Hatanaka, Yasunori Takada, Takaaki Terahara, Naruhito Higo
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Abstract
A patch comprising a support layer and an adhesive layer, wherein the adhesive layer comprises diclofenac sodium, dimethyl sulfoxide, and citric acid; a mass ratio between the diclofenac sodium and the citric acid (mass of diclofenac sodium:mass of citric acid) is 1:0.15 to 1:0.45; and a mass ratio between the diclofenac sodium and the dimethyl sulfoxide (mass of diclofenac sodium:mass of dimethyl sulfoxide) is 1:0.75 to 1:3.
Claims8
A patch comprising a support layer and an adhesive layer, wherein the adhesive layer comprises diclofenac sodium, dimethyl sulfoxide, and citric acid;
- a mass ratio between the diclofenac sodium and the citric acid (mass of diclofenac sodium:mass of citric acid) is 1:0.15 to 1:0.45;
- and a mass ratio between the diclofenac sodium and the dimethyl sulfoxide (mass of diclofenac sodium:mass of dimethyl sulfoxide) is 1:0.75 to 1:2.
Dependencies are inferred from the claim text.