公开(公告)号：US20190076337A1

公开(公告)日：2019-03-14

申请号：US15772494

申请日：2016-09-21

Applicant: COSMAX, INC. ,  Korea Advanced Institute of Science and Technology

Inventor： Ho Yeon SON ,  Yoon Sung NAM ,  Ji Hui JANG ,  Su Ji KIM ,  Jun Bae LEE ,  Myeong-Sam PARK

IPC: A61K8/02 ,  A61K8/81 ,  A61K8/27 ,  A61K8/29 ,  A61K8/34 ,  A61Q17/04 ,  A61Q19/00

CPC classification number: A61K8/022 ,  A61K8/0241 ,  A61K8/19 ,  A61K8/27 ,  A61K8/29 ,  A61K8/347 ,  A61K8/37 ,  A61K8/602 ,  A61K8/8152 ,  A61K2800/10 ,  A61K2800/413 ,  A61K2800/612 ,  A61Q17/04 ,  A61Q19/00

Abstract: The present invention provides a method for preparing porous organic/inorganic composite powder which includes attaching inorganic oxide nanoparticles in a multi-layer form by repeating steps of attaching polyphenol to porous polymethyl methacrylate (PMMA) microspheres and attaching inorganic oxide nanoparticles to the porous polymethyl methacrylate (PMMA) microspheres to which polyphenol is attached, and a cosmetic composition including the porous organic/inorganic composite powder.