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US 12,629,346 B2Granted
Patch
AssigneeKobayashi Pharmaceutical Co., Ltd.
InventorsDaisaku Nagaike, Tsuyoshi Igaue
Life of this patent
Estimating the term…
Abstract
A patch (10) comprising: a nonwoven fabric (1); and an adhesive layer (2) on the nonwoven fabric (1), wherein the adhesive layer (2) comprises a cool feeling agent, a local anesthetic and/or an anti-inflammatory analgesic, and water, and the adhesive layer (2) has a maximum thickness of 0.50 mm or more.
Claims19
A patch comprising:
- a nonwoven fabric;
- an adhesive layer on the nonwoven fabric;
- and
- an infiltration layer between the adhesive layer and the nonwoven fabric;
- wherein the adhesive layer comprises (i) a cool feeling agent, (ii) a local anesthetic and/or an anti-inflammatory analgesic, and (iii) water,
- a content of the cool feeling agent comprises 6.25 to 500 parts by weight based on a total of 100 parts by weight of the local anesthetic and the anti-inflammatory analgesic,
- the adhesive layer has a maximum thickness of 0.50 mm to 10 mm,
- the infiltration layer has a maximum thickness of 0.001 to 0.500 mm,
- an area of the nonwoven fabric to which the adhesive layer is applied is smaller than a total area of the nonwoven fabric, and
- the adhesive layer has an outer edge portion whose thickness is gradually reduced toward an edge such that an angle formed by a side surface of the adhesive layer and the nonwoven fabric in the outer edge portion is 5° or more and less than 90°.
7 more elements
Dependencies are inferred from the claim text.