Graf; Katja
Patent Applications and Registrations
Patent applications and USPTO patent grants for Graf; Katja.The latest application filed is for "phosphepine matrix compound for a semiconducting material".
- Graf; Katja - Dresden DE
| Patent | Date |
|---|---|
| Semiconducting material comprising a phosphine oxide matrix and metal salt Grant 11,309,495 - Frey , et al. April 19, 2 | 2022-04-19 |
| Phosphepine matrix compound for a semiconducting material Grant 11,104,696 - Cardinali , et al. August 31, 2 | 2021-08-31 |
| Organic light-emitting diode comprising different matrix compounds in the first and second electron transport layer Grant 11,081,652 - Denker , et al. August 3, 2 | 2021-08-03 |
| Phosphepine Matrix Compound for a Semiconducting Material App 20180162890 - Cardinali; Francois ; et al. | 2018-06-14 |
| Organic Light-Emitting Diode Comprising Different Matrix Compounds in the First and Second Electron Transport Layer App 20180145263 - Denker; Ulrich ; et al. | 2018-05-24 |
| Semiconducting Material Comprising a Phosphine Oxide Matrix and Metal Salt App 20180114914 - Frey; Julien ; et al. | 2018-04-26 |
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