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Title:
POROUS CELLULOSE PARTICLES
Document Type and Number:
Japanese Patent JP2001323095
Kind Code:
A
Abstract:

To provide particles that have proper stimulation to skin and can readily support a variety of functional substances.

The objective porous particles have particle sizes of 0.1-1.0 mm, a plurality of surface pores on a part or the whole part of the outside surface with the maximum open diameter of 1/10-1/3 particle size where the surface open pores are separated from the adjacent pores with partitions of ≤20 μm thickness.


Inventors:
SAKATA SUSUMU
ISHIMURA DAISUKE
MORIMOTO YASUO
SAITO HIDENAO
Application Number:
JP2000180578A
Publication Date:
November 20, 2001
Filing Date:
May 12, 2000
Export Citation:
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Assignee:
RENGO CO LTD
International Classes:
A61K8/72; A01N25/10; A01N25/12; A61K8/00; A61K8/73; A61Q19/10; C08B1/00; C08J9/08; C08L101/16; C11B9/00; (IPC1-7): C08J9/08; A01N25/10; A01N25/12; A61K7/00; A61K7/50; C08B1/00; C11B9/00
Domestic Patent References:
JPH03259934A1991-11-20
JPH03231942A1991-10-15
JPH0491142A1992-03-24
Attorney, Agent or Firm:
Bunji Kamata (2 outside)



 
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