Title:
コア・シェル粒子及びそれらの製造方法
Document Type and Number:
Japanese Patent JP2004513192
Kind Code:
A
Abstract:
A particulate composition comprising particles having a core comprising a hydrophobic polymer within a shell, characterised in that the shell comprises a semi-permeable membrane. Particulate composition can be used for making a stable dispersion of particles uniformly distributed throughout a first hydrophobic liquid, wherein the particles comprise a core within a shell and the core comprises a hydrophobic polymer into has been imbibed a second hydrophobic liquid, Compositions can be used to encapsulate active substances and may be used in sustained release mechanisms.
Inventors:
Mistry, Kishow Kumar
Preston, Janine Andrea
The Sims, Kenneth Charles
Preston, Janine Andrea
The Sims, Kenneth Charles
Application Number:
JP2002539059A
Publication Date:
April 30, 2004
Filing Date:
October 23, 2001
Export Citation:
Assignee:
Ciba Specialty Chemicals Water Treatments Limited
International Classes:
B01J13/02; B01J13/16; C08F2/00; C08G69/28; C08G85/00; C09K23/00; (IPC1-7): C08G69/28; B01J13/02; C08G85/00
Attorney, Agent or Firm:
Hajime Tsukuni
Fumio Shinoda
Koshiro Tsukuda
Fumio Shinoda
Koshiro Tsukuda