Title:
RADIAL SPHERICAL CRYSTALLIZATION PRODUCT, PROCESS FOR PRODUCING THE SAME AND DRY POWDER PREPARATION CONTAINING THE CRYSTALLIZATION PRODUCT
Document Type and Number:
WIPO Patent Application WO/2004/110585
Kind Code:
A1
Abstract:
A radial spherical crystallization product having multiple needle-shaped portions radially extending outward from the core portion. The radial spherical crystallization product is produced by, for example, bringing a supercritical fluid mixed with a modifier according to necessity and a solution containing a sample component, which have been introduced through different flow channels, into contact with each other at the time of injection from the flow channels into a crystallization vessel. This radial spherical crystallization product can be used as a drug delivery medium or medicine for transmucous or transpulmonary administration or as a fine carrier or fine stock drug such as dry powder inhale (DPI).
Inventors:
DANJO KAZUMI (JP)
OKAMOTO HIROKAZU (JP)
FURUDATE TAKEAKI (JP)
OKAMOTO HIROKAZU (JP)
FURUDATE TAKEAKI (JP)
Application Number:
PCT/JP2004/007171
Publication Date:
December 23, 2004
Filing Date:
May 26, 2004
Export Citation:
Assignee:
TAISHO PHARMACEUTICAL CO LTD (JP)
DANJO KAZUMI (JP)
OKAMOTO HIROKAZU (JP)
FURUDATE TAKEAKI (JP)
DANJO KAZUMI (JP)
OKAMOTO HIROKAZU (JP)
FURUDATE TAKEAKI (JP)
International Classes:
A61K9/00; A61K47/10; A61K47/26; B01D11/02; (IPC1-7): B01D9/02; A61K47/26; A61K47/10
Foreign References:
| JPH04500925A | 1992-02-20 | |||
| JP2003010672A | 2003-01-14 | |||
| JP2002515324A | 2002-05-28 | |||
| JPH11503448A | 1999-03-26 |
Other References:
See also references of EP 1683560A4
Attorney, Agent or Firm:
Ono, Nobuo (1-13-1Kandaizumi-ch, Chiyoda-ku Tokyo 24, JP)
Download PDF: