Title:
ORGANIC COMPOUND NANOPOWDER, PRODUCTION METHOD THEREFOR, AND SUSPENSION
Document Type and Number:
WIPO Patent Application WO/2013/168437
Kind Code:
A1
Abstract:
[Problem] To easily and inexpensively provide an organic compound nanopowder while avoiding contamination by impurities for removal. [Solution] The present invention relates to an organic compound nanopowder and a production method therefor. The organic compound nanopowder comprises at least: a particulate organic compound of which the average particle diameter is 500 nm or less and the 90% diameter is less than 1500 nm; and a sugar compound made from a sugar and/or a sugar alcohol, said sugar compound having a mass ratio of at least 0.3 relative to the organic compound. The present invention also relates to a suspension that is made by dispersing the organic compound nanopowder in a liquid dispersion medium in which the organic compound is either insoluble or slightly soluble.
Inventors:
TADA TAKAHIRO (JP)
KAGAMI KAZUHIRO (JP)
YOKOTA SHIRO (JP)
KAGAMI KAZUHIRO (JP)
YOKOTA SHIRO (JP)
Application Number:
PCT/JP2013/003023
Publication Date:
November 14, 2013
Filing Date:
May 11, 2013
Export Citation:
Assignee:
ACTIVUS PHARMA CO LTD (JP)
International Classes:
A61K9/14; A61K31/445; A61K31/57; A61K31/7048; A61K36/18; A61K47/02; A61K47/10; A61K47/26; A61P29/00; A61P43/00
Domestic Patent References:
| WO2011118960A2 | 2011-09-29 | |||
| WO2008126797A1 | 2008-10-23 | |||
| WO2008126797A1 | 2008-10-23 | |||
| WO2010032434A1 | 2010-03-25 |
Foreign References:
| JP2006089386A | 2006-04-06 | |||
| JPH04295420A | 1992-10-20 |
Other References:
See also references of EP 2848243A4
Attorney, Agent or Firm:
HASEGAWA, HIROSHI (JP)
Hiroshi Hasegawa (JP)
Hiroshi Hasegawa (JP)
Download PDF: