Title:
直鎖ポリサッカリドからのマイクロスフェアー状クリスタライトの製造方法、対応するマイクロスフェアー状クリスタライトおよびその使用
Document Type and Number:
Japanese Patent JP2004512405
Kind Code:
A
Abstract:
The invention relates to a method for producing microspherical crystallites with a uniform spherical shape and an extremely narrow size distribution. Said crystallites consist wholly or partially of a linear water-insoluble polysaccharide, preferably of 1,4-alpha-D-polyglucane, have a degree of crystallinity of >80% and can contain additional polymers and/or active ingredients, which are in particular biodegradable. They are particularly suitable for the controlled release of active ingredients. They are produced by fusing 1,4-alpha-D-polyglucane or the polysaccharide in water, introducing the fusion into a precipitant, cooling the mixture and separating the particles that have formed.
Inventors:
Houseman stefan
Key thomas
Tom kaiwan
Mueller Rolf
Martin spaceter
Key thomas
Tom kaiwan
Mueller Rolf
Martin spaceter
Application Number:
JP2002537799A
Publication Date:
April 22, 2004
Filing Date:
October 25, 2001
Export Citation:
Assignee:
Celanese Ventures GMBH
International Classes:
A23L1/00; A23P10/30; A61K8/04; A61K8/72; A61K8/73; A61K8/96; A61K9/16; A61K9/50; A61K47/36; A23L1/30; A61Q1/12; A61Q5/00; A61Q11/00; A61Q19/00; C08B30/12; C08J3/12; C08J3/16; C08L5/00; C08L101/16; C12P19/04; (IPC1-7): C08J3/16; A23L1/30; A61K7/00; A61K9/50; A61K47/36; C08L5/00; C08L101/16; C12P19/04
Attorney, Agent or Firm:
Eiji Saegusa
Kakehi Yuro
Takeshi Ohara
Hiroji Nakagawa
Yasumitsu Tate
Kenji Saito
Jun Fujii
Hitoshi Seki
Mutsuko Nakano
Kakehi Yuro
Takeshi Ohara
Hiroji Nakagawa
Yasumitsu Tate
Kenji Saito
Jun Fujii
Hitoshi Seki
Mutsuko Nakano