发明名称 Hollow silica particles, compositions comprising them, and methods for making same
摘要 Methods for making and compositions comprising hollow silica particle are disclosed, said particles made from a composition comprising a silicon-containing compound selected from the group consisting of tetraalkoxysilanes, trialkyloxysilanes and derivatives thereof, dialkoxysilanes and derivatives thereof, alkoxysilanes and derivatives thereof, silicone oligomers, oligomeric silsesquioxanes and silicone polymers distributed over a polymer template core that is eliminated from the particle. The particles of the present invention have a substantially uniform particle size and exhibit low permeability to liquids.
申请公布号 US2007036736(A1) 申请公布日期 2007.02.15
申请号 US20050200591 申请日期 2005.08.10
申请人 发明人 KALLA KAREN K.;BUTTS MATTHEW D.;WILLIAMS DARRYL S.;GENOVESE SARAH E.
分类号 A61K8/25;C04B16/08 主分类号 A61K8/25
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