Choe; Dong Uk
Patent Applications and Registrations
Patent applications and USPTO patent grants for Choe; Dong Uk.The latest application filed is for "flaky alpha-alumina crystals with large aspect ratio and a preparation method of the same".
- Choe; Dong Uk - Daejeon KR
| Patent | Date |
|---|---|
| Pearlescent pigments with large aspect ratio and a method of their preparation Grant 8,287,636 - Lee , et al. October 16, 2 | 2012-10-16 |
| Flaky alpha-alumina crystals with large aspect ratio and a preparation method of the same Grant 7,993,746 - Lee , et al. August 9, 2 | 2011-08-09 |
| Flaky Alpha-alumina Crystals With Large Aspect Ratio And A Preparation Method Of The Same App 20100015445 - Lee; Jung Min ; et al. | 2010-01-21 |
| Pearlescent Pigments With Large Aspect Ratio And A Method Of Their Preparation App 20090320719 - Lee; Jung Min ; et al. | 2009-12-31 |
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