发明申请
US20090191135A1 METHODS FOR THE DISPERSION OF WATER-SOLUABLE OR HYDROPHILIC SUBSTANCES IN A SUPERCRITICALLY PRESSURIZED FLUID 审中-公开
在超临界加压流体中分散水溶性或水解物质的方法

METHODS FOR THE DISPERSION OF WATER-SOLUABLE OR HYDROPHILIC SUBSTANCES IN A SUPERCRITICALLY PRESSURIZED FLUID
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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