PLASTER FOR EXTERNAL USE AND METHOD FOR PRODUCING THE SAME

Title:

PLASTER FOR EXTERNAL USE AND METHOD FOR PRODUCING THE SAME

Document Type and Number:

Japanese Patent JP2006169160

Kind Code:

A

Abstract:

To provide a plaster for external use causing no hazards of emitting the vapor of a volatile or thermally decomposable medicament, the medicament's decomposition and also fire associated therewith during the production process, and enabling the medicament to be released stably over a long period of time, and to provide a method for producing the plaster.

The plaster for external use comprises a medicament-impermeable substrate, a plaster layer composed of a 1st plaster layer and a 2nd plaster layer, wherein an adhesive is contained in a plaster base, and a release liner. In this plaster, the 1st and/or the 2nd plaster layer(s) contains the volatile or thermally decomposable medicament, the thickness of the 1st and the 2nd plaster layers totals 300 μm or greater, and the thickness ratio for the 1st and the 2nd plaster layers is 0.03-0.67. The method for producing the plaster is also provided.

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Inventors:

TOMINAGA KENJI
NAKAHARA KIYOSHI
NAKAMURA NOBUKI
HIROIKE TETSUYA

Application Number:

JP2004363358A

Publication Date:

June 29, 2006

Filing Date:

December 15, 2004

Export Citation:

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Assignee:

YUUTOKU YAKUHIN KOGYO KK

International Classes:

A61K31/137; A61K9/70; A61K31/167; A61K31/21; A61K31/34; A61K31/465; A61P9/04; A61P9/10; A61P11/08; A61P15/12; A61P19/10; A61P29/00

Domestic Patent References:

JPH09503756A	1997-04-15
JP2003104875A	2003-04-09

Attorney, Agent or Firm:

Nobuo Ono

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