发明申请
- 专利标题: METHODS FOR THE DISPERSION OF WATER-SOLUABLE OR HYDROPHILIC SUBSTANCES IN A SUPERCRITICALLY PRESSURIZED FLUID
- 专利标题(中): 在超临界加压流体中分散水溶性或水解物质的方法
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申请号: US12355696申请日: 2009-01-16
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公开(公告)号: US20090191135A1公开(公告)日: 2009-07-30
- 发明人: Joel RICHARD , Frantz Deschamps , Patrick Lacroix-Desmazes , Bernard Boutevin
- 申请人: Joel RICHARD , Frantz Deschamps , Patrick Lacroix-Desmazes , Bernard Boutevin
- 专利权人: ETHYPHARM CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS
- 当前专利权人: ETHYPHARM CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS
- 优先权: FR0305108 20030425
- 主分类号: A61K9/12
- IPC分类号: A61K9/12
摘要:
A method for encapsulating an active principle by dispersing the active principle in a supercritical fluid by adding a surfactant to the fluid. The surfactant is a block copolymer having at least one CO2-philic block and at least one nonionic hydrophilic block.
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