Pharmaceutical plasters

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5225199
SERIAL NO

07778819

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A plaster comprising the film layer which is composed of a film having 0.5 to 4.9 .mu.m thickness, 8 to 85 g/mm strengths, respectively in the two directions intersecting substantially at right angle, 30 to 150% elongations, respectively in the two directions intersecting at right angle, and 1.0 to 5.0 ratio between the two direction elongations (wherein the smaller elongation is used as the denominator, when the ratios of the elongations in the 2 directions are different) and an adhesive layer (a) which contains a transdermally absorbable drug and is laminated on one surface of said film layer in 2 to 60 .mu.m thickness enables transdermal absorption of a clinically effective amount of a drug with skin rashes reduced. Additionally, a backing sheet may be preferably provided, for example, the plaster made of said film layer (3) and said adhesive layer (a) (4) is press-bonded via an adhesive layer (b) (2) to a backing sheet (1) and a release film (5) to give a plaster of improved handleability.

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Patent Owner(s)

Patent OwnerAddress
TEIJIN LIMITED A JAPANESE BODY CORPORATE11 MINAMIHONMACHI 1-CHOME HIGASHI-KU OSAKA-SHI OSAKA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hidaka, Osafumi Akigawa, JP 10 345
Murakami, Satoshi Tachikawa, JP 330 8310

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