Gottel; Otto
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gottel; Otto.The latest application filed is for "new process for the preparation of 4-hydroxalkylamino-2-nitro-anisoles".
- Gottel; Otto - Marly CH
- Gottel; Otto - Ingelfingen DE
| Patent | Date |
|---|---|
| Process for the preparation of 4-hydroxalkylamino-2-nitro-anisoles Grant 7,405,325 - Gottel , et al. July 29, 2 | 2008-07-29 |
| Agents for coloring keratin fibers Grant 7,393,366 - Pasquier , et al. July 1, 2 | 2008-07-01 |
| New process for the preparation of 4-hydroxalkylamino-2-nitro-anisoles App 20070249868 - Gottel; Otto ; et al. | 2007-10-25 |
| Pyrazole azomethines and colorants containing these compounds App 20070033742 - Gottel; Otto | 2007-02-15 |
| Agents for coloring keratin fibers App 20070011821 - Pasquier; Cecile ; et al. | 2007-01-18 |
| Electromagnetically actuated valve Grant 4,285,497 - Gottel August 25, 1 | 1981-08-25 |
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