Siekman; Janine
Patent Applications and Registrations
Patent applications and USPTO patent grants for Siekman; Janine.The latest application filed is for "grinding aid for titanium dioxide particles".
- Siekman; Janine - Bergisch Gladbach DE
| Patent | Date |
|---|---|
| Grinding Aid for Titanium Dioxide Particles App 20220106488 - Molon; Mariusz ; et al. | 2022-04-07 |
| Matting agent and method for obtaining the same Grant 10,392,526 - Siekman , et al. A | 2019-08-27 |
| Matting Agent and Method for Obtaining the Same App 20170121551 - Siekman; Janine ; et al. | 2017-05-04 |
| Method for surface treatment of a titanium dioxide pigment Grant 8,641,870 - Jurgens , et al. February 4, 2 | 2014-02-04 |
| Method for Surface Treatment of a Titanium Dioxide Pigment App 20120247702 - Jurgens; Volker ; et al. | 2012-10-04 |
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