The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 17, 2019
Filed:
Sep. 21, 2016
Cosmax, Inc., Gyeonggi-do, KR;
Korea Advanced Institute of Science and Technology, Daejeon, KR;
Ho Yeon Son, Daejeon, KR;
Yoon Sung Nam, Daejeon, KR;
Ji Hui Jang, Gyeonggi-do, KR;
Su Ji Kim, Gyeonggi-do, KR;
Jun Bae Lee, Gyeonggi-do, KR;
Myeong-Sam Park, Seoul, KR;
COSMAX, INC., Gyeonggi-do, KR;
Korea Advanced Institute of Science and Technology, Daejeon, KR;
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.