Title:
放出が制御されるドラッグデリバリー装置
Document Type and Number:
Japanese Patent JP2004534765
Kind Code:
A
Abstract:
The invention provides a controlled release dissolution and diffusion devices which can deliver an active ingredient at a constant or controlled-variable rate comprising an active ingredient and dissolution modifiers and/or an insoluble matrix. The compressed core is coated, except for at least one exposed face, with a coating containing an insoluble polymer or a mixture of an insoluble polymer and pore-forming elements said pore-forming elements having a dissolution rate slower that the release rate so that the pore formation is completed after release of the active ingredients and the residual inert structures disintegrate.
Inventors:
Chopra, Siamese, Kay.
Application Number:
JP2002590946A
Publication Date:
November 18, 2004
Filing Date:
May 24, 2002
Export Citation:
Assignee:
Chopra, Siamese, Kay.
Savit Consulting, Inc.
Savit Consulting, Inc.
International Classes:
A61K9/20; A61K9/22; A61K9/28; A61K9/30; A61K9/32; A61K9/36; A61K31/4422; A61K31/64; A61K45/00; A61K47/04; A61K47/10; A61K47/12; A61K47/20; A61K47/26; A61K47/32; A61K47/36; A61K47/38; A61K47/42; (IPC1-7): A61K9/22; A61K31/4422; A61K31/64; A61K45/00; A61K47/04; A61K47/10; A61K47/12; A61K47/20; A61K47/26; A61K47/32; A61K47/36; A61K47/38; A61K47/42
Attorney, Agent or Firm:
Mikio Hatta
Atsushi Nogami
Yasuo Nara
Etsuko Saito
Katsuyuki Utani
Toshifumi Fujii
Atsushi Nogami
Yasuo Nara
Etsuko Saito
Katsuyuki Utani
Toshifumi Fujii