Patent ID: 9345667
Filing Date: 2016-05-24
CPC Classification: A61K,A61P,C01G,C01P,C09C

Claim Text:
1. A process for preparing porous ceramic particles having a hydrophobic material therein, said process comprising: agitating a mixture of a hydrophobic phase, water, and a first surfactant having HLB of about 8 to about 20 to form an inner emulsion, said hydrophobic phase comprising the hydrophobic material; combining a precursor to a ceramic with water so as to form a second mixture; combining the inner emulsion with the second mixture and agitating the resulting mixture to form the inner emulsion plus precursor; combining a second surfactant having a HLB of about 1 to about 8 and a hydrophobic medium so as to form a third mixture; agitating the inner emulsion plus precursor with the third mixture so as to disperse the inner emulsion plus precursor in the hydrophobic medium, thereby forming a double emulsion; and aging the double emulsion so as to form the porous ceramic particles having the hydrophobic material therein disposed within pores of said ceramic particles.