Trofimov; Boris Aleksandrovich
Patent Applications and Registrations
Patent applications and USPTO patent grants for Trofimov; Boris Aleksandrovich.The latest application filed is for "polyvinyl pyrrole host material, luminescent layer comprising the same, and organic electroluminescent device comprising the luminescent layer".
- Trofimov; Boris Aleksandrovich - Irkutsk RU
| Patent | Date |
|---|---|
| Polyvinyl pyrrole host material, luminescent layer comprising the same, and organic electroluminescent device comprising the luminescent layer Grant 8,257,839 - Park , et al. September 4, 2 | 2012-09-04 |
| Polyvinyl Pyrrole Host Material, Luminescent Layer Comprising The Same, And Organic Electroluminescent Device Comprising The Luminescent Layer App 20110253993 - PARK; JONG-JIN ; et al. | 2011-10-20 |
| Polyvinyl pyrrole host material, luminescent layer comprising the same, and organic electroluminescent device comprising the luminescent layer Grant 7,989,569 - Park , et al. August 2, 2 | 2011-08-02 |
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