Title:
ACTIVE COMPOUND RELEASE SYSTEM
Document Type and Number:
Japanese Patent JPS60158111
Kind Code:
A
Abstract:
In a therapeutic system such as a plaster for administration of an active compound through the skin and comprising a covering layer which is essentially impermeable to the active compound, an active coupound reservoir layer and a protective layer which can be pulled off and which is essentially impermeable to the active compound, the improvement wherein the reservoir layer contains about 1-30% of active compound in an elastomer mixture comprising a diene rubber which can optionally be copolymerized with an alpha -olefin, mixed with from 0 up to about 70% by weight of a polyisobutylene, polybutadiene oil and/or paraffin oil, and a tackifying resin. Thereby the active compound can be released in regulated relatively large quantity over a prolonged period of time.
Inventors:
MIKUROSU FUON BITSUTERA
RORUFU FUORUKAA MAIYAA
RORUFU FUORUKAA MAIYAA
Application Number:
JP27422084A
Publication Date:
August 19, 1985
Filing Date:
December 27, 1984
Export Citation:
Assignee:
BAYER AG
International Classes:
A61K9/70; A61L15/24; (IPC1-7): A61K9/70
Attorney, Agent or Firm:
Heikichi Odashima