TRANSDERMALLY ABSORBABLE PATCH

Title:

TRANSDERMALLY ABSORBABLE PATCH

Document Type and Number:

Japanese Patent JP2010126449

Kind Code:

A

Abstract:

To provide a transdermally absorbable patch holding a liquid medicament over a long period under preservation, stably sustainedly releasing the liquid medicament when pasted, and having excellent self-adhesive characteristics.

The transdermally absorbable patch 1 has a sheet-shaped supporting base material 11, a first self-adhesive layer 12 formed on one surface of the supporting base material 11, a second self-adhesive layer 13 to be stuck to the skin, formed at the surface side of the first self-adhesive layer 12 opposite to the supporting base material 11, and a medicament-storing layer 14 formed between the first self-adhesive layer 12 and the second self-adhesive layer 13, and containing the liquid medicament. The second self-adhesive layer 13 contains a copolymer of a monomer composition containing an acrylic monomer free from a hydroxy group and a carboxy group, and a vinyl monomer having a lactam ring.

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Inventors:

MIYAZAKI KENTARO
GOTO RYOTA
MIYATA TAKESHI

Application Number:

JP2008299854A

Publication Date:

June 10, 2010

Filing Date:

November 25, 2008

Export Citation:

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Assignee:

LINTEC CORP

International Classes:

A61K9/70; A61K31/465; A61K47/32; A61P25/34

Domestic Patent References:

JP2007262007A	2007-10-11
JPH07509258A	1995-10-12
JPH09169636A	1997-06-30
JPH1161068A	1999-03-05

Attorney, Agent or Firm:

Tatsuya Masuda
Kazuo Asahi

Previous Patent: METHOD OF PRODUCING SATURATED ALCOHOL BY HYDROGENATION OF ,-UNSATURATED ALCOHOL

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