Title:
CELLULOSE POWDER
Document Type and Number:
WIPO Patent Application WO/2013/180248
Kind Code:
A1
Abstract:
This cellulose powder has: an average degree of polymerization of 100 to 350; a weight average particle size of over 30 μm, but less than 250 μm; an apparent specific volume of 2 to less than 15 cm3/g; and a particle size distribution sharpness of 1.5 to 2.9.
Inventors:
OBAE KAZUHIRO (JP)
KAKIZAWA MASAYUKI (JP)
YAMASHITA MITSUO (JP)
MATSUI SHINJI (JP)
KAKIZAWA MASAYUKI (JP)
YAMASHITA MITSUO (JP)
MATSUI SHINJI (JP)
Application Number:
PCT/JP2013/065113
Publication Date:
December 05, 2013
Filing Date:
May 30, 2013
Export Citation:
Assignee:
ASAHI KASEI CHEMICALS CORP (JP)
International Classes:
C08B15/00; A61K9/20; A61K47/38; C08J3/12; C08J5/00
Domestic Patent References:
| WO2012002253A1 | 2012-01-05 | |||
| WO2006115198A1 | 2006-11-02 | |||
| WO2002002643A1 | 2002-01-10 | |||
| WO2009157564A1 | 2009-12-30 |
Foreign References:
| JP2005232260A | 2005-09-02 | |||
| JPH08104650A | 1996-04-23 | |||
| JPS562047B2 | 1981-01-17 | |||
| JPS4026274B1 |
Attorney, Agent or Firm:
ASAMURA PATENT OFFICE, p. c. (JP)
Patent business corporation Asamura patent firm (JP)
Patent business corporation Asamura patent firm (JP)
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