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1. WO2020136605 - PATCH

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]

[Document Name] Claims

[Claim 1]

A patch comprising:

a nonwoven fabric; and

an adhesive layer on 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, and

the adhesive layer has a maximum thickness of 0.50 mm or more.

[Claim 2]

The patch according to claim 1,

wherein the local anesthetic comprises lidocaine.

[Claim 3]

The patch according to claim 1 or 2,

wherein the cool feeling agent comprises menthol.

[Claim 4]

The patch according to any one of claims 1 to 3,

wherein an area to which the adhesive layer is applied is smaller than an area of the nonwoven fabric,

the adhesive layer has an outer edge portion whose thickness is gradually reduced toward an edge, and

an angle formed by a side surface of gel and the nonwoven fabric in the outer edge portion is 5° or more and less than 90°.

[Claim 5]

The patch according to any one of claims 1 to 4,

wherein the adhesive layer has an adhesive force of 10 to 100 gf/cm2.

[Claim 6]

The patch according to any one of claims 1 to 5,

wherein the adhesive layer has a maximum thickness of 1.00 mm or more.

[Claim 7]

The patch according to any one of claims 1 to 6, further comprising an infiltration layer in which part of the adhesive layer infiltrates into the nonwoven fabric,

wherein the infiltration layer has a maximum thickness of 0.001 to 0.500 mm.

[Claim 8]

The patch according to any one of claims 1 to 7,

wherein a content of the cool feeling agent is 0.01 to 10% by weight based on a total amount of the adhesive layer.

[Claim 9]

The patch according to any one of claims 1 to 8,

wherein a total content of the local anesthetic and the anti-inflammatory analgesic is 1 to 7.5% by weight based on a total amount of the adhesive layer.

[Claim 10]

The patch according to any one of claims 1 to 9,

wherein a content of the cool feeling agent is 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.

[Claim 11]

The patch according to any one of claims 1 to 10,

wherein a content of the water is 50 to 90% by weight based on a total amount of the adhesive layer.

[Claim 12]

The patch according to any one of claims 1 to 11,

wherein the adhesive layer comprises at least one member selected from the group consisting of aluminum hydroxide, sodium polyacrylate, polyacrylic acid and polyvinyl alcohol.