Title:
LIMITED-TIME RELEASE PREPARATION
Document Type and Number:
Japanese Patent JP2009191036
Kind Code:
A
Abstract:
To provide a limited-time release preparation capable of freely adjusting a time for starting the release of the drug from the preparation and the releasing rate of the drug after starting the release of the drug.
This limited-time release preparation is characterized by covering a central core containing the drug and a water swellable substance with a film containing a water insoluble polymer and a water insoluble excipient.
Inventors:
KANBE HIDEYOSHI
KAWASE ICHIRO
KURAMOTO KOICHI
MORI YOKO
KAWASE ICHIRO
KURAMOTO KOICHI
MORI YOKO
Application Number:
JP2008035057A
Publication Date:
August 27, 2009
Filing Date:
February 15, 2008
Export Citation:
Assignee:
SS PHARMACEUTICAL CO
International Classes:
A61K47/38; A61K9/34; A61K47/02; A61K47/12; A61K47/32; A61K47/36
Domestic Patent References:
| JP2000128779A | 2000-05-09 | |||
| JPH08143476A | 1996-06-04 | |||
| JPH0761922A | 1995-03-07 | |||
| JPH09208458A | 1997-08-12 | |||
| JPH07188057A | 1995-07-25 |
Foreign References:
| WO2005092336A1 | 2005-10-06 | |||
| WO2002066004A1 | 2002-08-29 | |||
| WO2001010467A1 | 2001-02-15 |
Attorney, Agent or Firm:
Alga Patent Office, a patent business corporation
Miyuki Ariga
Toshio Takano
Toshio Nakajima
Masaki Murata
Hiroto Yamamoto
Miyuki Ariga
Toshio Takano
Toshio Nakajima
Masaki Murata
Hiroto Yamamoto
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