Title:
POLYMER PARTICLES, METHOD FOR PRODUCING SAME, AND USE THEREFOR
Document Type and Number:
WIPO Patent Application WO/2013/161098
Kind Code:
A1
Abstract:
Polymer particles provided with a superficial porous structure having on the surface a plurality of holes having a central diameter of 0.1 to 2 μm. The polymer particles comprise a vinyl-based polymer and a non-crosslinked polymer, and have a specific surface area of 0.1 to 5.0 m2/g and a volume-average particle size of 1 to 200 μm.
Inventors:
YAMAGUCHI YOHEI (JP)
Application Number:
PCT/JP2012/074890
Publication Date:
October 31, 2013
Filing Date:
September 27, 2012
Export Citation:
Assignee:
SEKISUI PLASTICS (JP)
YAMAGUCHI YOHEI (JP)
YAMAGUCHI YOHEI (JP)
International Classes:
C08F2/18; A61K8/81; A61K47/32; C08L33/08; C08L101/12
Domestic Patent References:
| WO2010024167A1 | 2010-03-04 |
Foreign References:
| JP2012207197A | 2012-10-25 | |||
| JP2011207974A | 2011-10-20 | |||
| JP2011026450A | 2011-02-10 | |||
| JP2008274123A | 2008-11-13 | |||
| JP2005281339A | 2005-10-13 |
Attorney, Agent or Firm:
ARC PATENT ATTORNEYS' OFFICE (JP)
Patent business corporation ARC PATENT ATTORNEYS' OFFICE (JP)
Patent business corporation ARC PATENT ATTORNEYS' OFFICE (JP)
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