Title:
SUSTAINED RELEASE DRUG DELIVERY DEVICE
Document Type and Number:
Japanese Patent JP3943144
Kind Code:
B2
Abstract:
PURPOSE: To obtain a penetration delivery device suitable for oral administration, etc., capable of controlling time to release an active material in colon area, excellent in medicinal persistency by forming a solid core containing the active material, coating the core with a delaying jacket then coating with a semipermeable membrane.
CONSTITUTION: This penetration delivery device is obtained by forming the solid core containing the active material such as peptide, etc., coating the core with the delay jacket, coating the core with a copolymer of methacrylic acid ester, etc., on demand, applying a release orifice to the membrane, coating a colon soluble skin such as cellulose acetate-phthalate NF, etc., on this semipermeable membrane.
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Inventors:
Louis Sabastano
James KERR
Elizabeth Cadros
Sherish shah
Satish Chandra Hannah
James KERR
Elizabeth Cadros
Sherish shah
Satish Chandra Hannah
Application Number:
JP8428294A
Publication Date:
July 11, 2007
Filing Date:
April 22, 1994
Export Citation:
Assignee:
NOVARTIS AG
International Classes:
A61K9/22; A61K9/00; A61K9/24; A61K9/28; A61K9/30; A61K9/52; (IPC1-7): A61K9/22; A61K9/30
Domestic Patent References:
JP3072417A | ||||
JP62258320A | ||||
JP4346930A |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Fukumoto product
Tetsuji Koga
Yoichi Watanabe
Takashi Ishida
Fukumoto product
Tetsuji Koga
Yoichi Watanabe