Title:
【発明の名称】成分放出が制御された合成物
Document Type and Number:
Japanese Patent JP3296579
Kind Code:
B2
Abstract:
Controlled release compositions comprising a water swellable carrier and an active material having crenellated surface exhibit improved release properties. Suppositories and pessaries of generally cylindrical shape having four or five crenellations spaced equally around the perimeter and extending substantially along the length of the cylinder are preferred. Suppositories comprising four or five rounded crenellations which release morphine sulphate are especially useful.
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Inventors:
Steven Robertson
Application Number:
JP1032092A
Publication Date:
July 02, 2002
Filing Date:
January 23, 1992
Export Citation:
Assignee:
Beati G International Limited
International Classes:
A61J3/08; A61K9/02; A61K9/00; A61K9/20; A61K9/22; (IPC1-7): A61K9/00; A61K9/02
Domestic Patent References:
| JP5226791A | ||||
| JP6040048A | ||||
| JP59161836U | ||||
| JP6073523U | ||||
| JP96322Y1 |
Attorney, Agent or Firm:
Kazuo Shamoto (5 outside)
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