DRUG-ENCLOSING MULTILAYER STRUCTURE PARTICULATE AND PROCESS FOR PRODUCING THE SAME

Title:

DRUG-ENCLOSING MULTILAYER STRUCTURE PARTICULATE AND PROCESS FOR PRODUCING THE SAME

Document Type and Number:

WIPO Patent Application WO2004089417

Kind Code:

A9

Abstract:

A drug-enclosing multilayer structure particulate comprising a calcium carbonate compound particulate enclosing a biologically active substance wherein occasionally ions of at least one metal selected from among zinc, magnesium, iron and copper are contained and, superimposed on the surface thereof, a coating of calcium phosphate porous material and/or biopolymer.

Inventors:

TANAKA JUNZO (JP)
IKOMA TOSHIYUKI (JP)
MIZUSHIMA YUTAKA (JP)

Application Number:

PCT/JP2004/005007

Publication Date:

January 06, 2005

Filing Date:

April 07, 2004

Export Citation:

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Assignee:

NAT INST FOR MATERIALS SCIENCE (JP)
LTT BIO PHARMA CO LTD (JP)
TANAKA JUNZO (JP)
IKOMA TOSHIYUKI (JP)
MIZUSHIMA YUTAKA (JP)

International Classes:

A61K9/50; A61K9/54; A61K31/573; A61K31/7088; A61K31/726; A61K38/00; A61K38/04; A61K38/21; A61K38/22; A61K38/28; A61K38/43; A61K39/00; A61K39/395; A61K45/00; A61K47/04; A61K47/36; A61K48/00; A61P5/00; A61P9/00; A61P29/00; A61P31/00; A61P43/00; (IPC1-7): A61K47/04; A61K9/54; A61K31/7088; A61K31/726; A61K38/20; A61K38/21; A61K38/22; A61K39/00; A61K39/395; A61K45/00; A61K47/36

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