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:
Mar. 02, 2021
Filed:
Aug. 28, 2019
Applicant:
Research & Business Foundation Sungkyunkwan University, Suwon-si, KR;
Inventors:
Jae Young Choi, Suwon-si, KR;
Su Dong Chae, Suwon-si, KR;
Jang Ho Park, Suwon-si, KR;
Sung Ho Lee, Seoul, KR;
Assignee:
Research & Business Foundation Sungkyunkwan University, Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 8/25 (2006.01); A61K 8/02 (2006.01); A61K 8/31 (2006.01); A61Q 19/10 (2006.01); C09C 1/30 (2006.01);
U.S. Cl.
CPC ...
A61K 8/25 (2013.01); A61K 8/0279 (2013.01); A61K 8/31 (2013.01); A61Q 19/10 (2013.01); C09C 1/3063 (2013.01); A61K 2800/28 (2013.01); A61K 2800/622 (2013.01);
Abstract
A method of preparing hydrophobic porous silica includes adding an alcohol to a solvent in which a porous silica particle including a hydrophilic group is dispersed and stirring the same to form a mixture, drying the mixture including the porous silica particle in a vacuum, and condensation reacting the hydrophilic group of the porous silica particle with the alcohol on the surface of the porous silica particle to modify the surface of the porous silica particle to be hydrophobic.