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:
Jun. 20, 2017
Filed:
Aug. 04, 2014
Amorepacific Corporation, Seoul, KR;
Sun Sang Kwon, Gyeonggi-do, KR;
Myeong Hun Yeom, Gyeonggi-do, KR;
Duck Hee Kim, Seoul, KR;
Han Kon Kim, Gyeonggi-do, KR;
Nok Hyun Park, Gyeonggi-do, KR;
Soo Mi Ahn, Gyeonggi-do, KR;
AMOREPACIFIC CORPORATION, Seoul, KR;
Abstract
Disclosed is a method for preparing polysaccharides of green tea, and more particularly to a method for preparing polysaccharides of green tea comprising the steps of: a) removing chlorophyll and a low molecular weight polyphenol from green tea powder using a solvent; b) hot-water extracting a water-soluble active ingredient from the green tea residue of step a); and c) separating the polysaccharides of green tea from the hot-water extract of step b) by ultrafiltration and ethanol precipitation. Also, the present invention relates to a cosmetic composition for skin whitening, moisturization and anti-wrinkle effects comprising the polysaccharides of green tea as an effective ingredient.