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Patent applications and USPTO patent grants for Yun; Yu Na.The latest application filed is for "skin preparation composition for external use having excellent antiseptic ability".
Patent | Date |
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Skin preparation composition for external use having excellent antiseptic ability Grant 10,172,820 - Kwack , et al. J | 2019-01-08 |
Skin Preparation Composition For External Use Having Excellent Antiseptic Ability App 20140328953 - Kwack; Il Young ;   et al. | 2014-11-06 |
Theanine derivative, preparation method thereof, and use thereof for alleviating acne Grant 8,557,793 - Yoo , et al. October 15, 2 | 2013-10-15 |
Theanine Derivative, Preparation Method Thereof, And Use Thereof For Alleviating Acne App 20130137653 - Yoo; Jae Won ;   et al. | 2013-05-30 |
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