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Patent applications and USPTO patent grants for Park, Young Sei.The latest application filed is for "composition for skin whitening containing lysophosphatidylethanolamine as an active ingredient".
Patent | Date |
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Composition for skin whitening containing lysophosphatidylethanolamine as an active ingredient App 20050123492 - Chung, Guk Hoon ;   et al. | 2005-06-09 |
Fluorene based polymers and light emitting diodes fabricated with the same as light emitting material Grant 6,835,468 - Cho , et al. December 28, 2 | 2004-12-28 |
Fluorene based polymers and light emitting diodes fabricated with the same as light emitting material App 20020051895 - Cho, Hyun Nam ;   et al. | 2002-05-02 |
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