Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Satoshi Tachibana0
Hiroshi Nishikawa0
Koichi Ueda0
Masaru Yamabe0
Hachiro Indo0
Hiroharu Shibayama0
Date of Patent
August 4, 2009
0Patent Application Number
118891580
Date Filed
August 9, 2007
0Patent Primary Examiner
Patent abstract
It is an object to provide an L-ascorbic acid derivative which can keep the L-ascorbic acid stable to heat and light and thus has a long shelf life, which is high in permeability into the skin, which can be quickly hydrolyzed by phosphatase, an enzyme that is ubiquitous in vivo, and which exhibits physiological activities that are inherent to L-ascorbic acid and beneficial to health, a method for producing such an L-ascorbic acid derivative, and a skin-whitening cosmetic material.
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