Oehlert; Wolfgang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Oehlert; Wolfgang.The latest application filed is for "production of red iron oxide pigment".
- Oehlert; Wolfgang - Shanghai CN
- Oehlert; Wolfgang - Krefeld DE
| Patent | Date |
|---|---|
| Production of red iron oxide pigment Grant 10,221,326 - Czaplik , et al. | 2019-03-05 |
| Production Of Red Iron Oxide Pigment App 20160272836 - CZAPLIK; Waldemar ; et al. | 2016-09-22 |
| Heat-stable zinc ferrite colour pigments, process for preparing them and their use Grant 7,294,192 - Rosenhahn , et al. November 13, 2 | 2007-11-13 |
| Heat-stable zinc ferrite colour pigments, process for preparing them and their use App 20050087106 - Rosenhahn, Carsten ; et al. | 2005-04-28 |
| Use of synthetic, iron raw materials for preparing iron oxide pigments Grant 6,086,846 - Burow , et al. July 11, 2 | 2000-07-11 |
| Use of synthetic, iron raw materials for preparing iron oxide pigments Grant 5,837,216 - Burow , et al. November 17, 1 | 1998-11-17 |
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