Pitzer; Ulrike
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pitzer; Ulrike.The latest application filed is for "use of synthetic, iron raw materials for preparing iron oxide pigments".
- Pitzer; Ulrike - Krefeld DE
| Patent | Date |
|---|---|
| Use of synthetic, iron raw materials for preparing iron oxide pigments Grant 6,086,846 - Burow , et al. July 11, 2 | 2000-07-11 |
| Non-silking iron oxide yellow pigments with high color density Grant 6,053,972 - Pitzer , et al. April 25, 2 | 2000-04-25 |
| Use of synthetic, iron raw materials for preparing iron oxide pigments Grant 5,837,216 - Burow , et al. November 17, 1 | 1998-11-17 |
| Transparent iron oxide pigments, processes for their production and their use Grant 5,368,640 - Pitzer , et al. November 29, 1 | 1994-11-29 |
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