公开(公告)号：US10517825B2

公开(公告)日：2019-12-31

申请号：US15578113

申请日：2016-05-27

申请人： TOMITA PHARMACEUTICAL CO., LTD.

发明人： Takanori Taniwaki ,  Kazuki Kamai ,  Yuuta Tsumura ,  Daichi Masaki

IPC分类号： A61K9/14 ,  A61K47/02 ,  A61K9/20 ,  A61K31/202 ,  C01B33/24 ,  A61K8/25 ,  A61K8/02 ,  A61K33/06 ,  A61K35/60 ,  A61Q19/00

摘要： Provided is a powder composition containing an oily substance, the powder composition having good oxidation stability and excellent compression moldability. The powder composition containing an oily substance contains a powdery calcium silicate-based material, and an oily substance impregnated into the material. In the material, a cumulative pore volume for a pore size of 10 to 70 nm is 1.1 cc/g or more, and a cumulative pore volume for a pore size of 70 to 500 nm is 2.0 cc/g or less.