Process of preparing a water dispersible hydrophobic or...

Details Process of preparing a water dispersible hydrophobic or... Process of preparing a water dispersible hydrophobic or...

A - Human Necessities

61

K

A61K 9/50 (2006.01) A23L 1/275 (2006.01) A61K 9/10 (2006.01) A61K 9/14 (2006.01) A61K 9/16 (2006.01) B01J 13/02 (2006.01)

Patent

CA 2072108

Process of preparing a hydrophobic/aerophilic solid which can be dispersed in water in the form of discrete microparticles, wherein the solid is milled in an aqueous medium in the presence of a hydrocolloid to obtain a suspension containing suspended particles of an average particle size not exceeding 10 µm and finely dividing and drying the suspension to obtain a powder.

Le procédé décrit, qui sert à préparer un solide hydrophobe-aérophile qui peut se disperser dans l'eau sous la forme de micro-particules séparées, consiste à broyer le solide dans un milieu aqueux en présence d'un hydrocolloïde en vue d'obtenir une suspension contenant des particules suspendues d'une granulométrie moyenne ne dépassant pas 10 mum, puis à séparer finement et à sécher la suspension en vue d'obtenir une poudre.

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