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Merck Paten GmbH Patents & Scientific Information
| Merck Paten GmbH Patents & Scientific Information Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20090026919 | PHENANTHRENE DERIVATIVE - The present invention relates to the improvement of organic electroluminescent devices, in particular blue-emitting devices, by using compounds of the formula (1) as host materials in the emitting layer. | 01-29-2009 |