Pietsch; Oliver
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pietsch; Oliver.The latest application filed is for "thickeners based on polyurethane".
- Pietsch; Oliver - Mulheim N/A DE
- Pietsch; Oliver - Muelheim DE
| Patent | Date |
|---|---|
| Thickeners based on polyurethane Grant 8,461,213 - Munzenberg , et al. June 11, 2 | 2013-06-11 |
| Thickening agent based on polyurethane Grant 8,334,357 - Schieferstein , et al. December 18, 2 | 2012-12-18 |
| Thickeners Based on Polyurethane App 20110313053 - Munzenberg; Cindy ; et al. | 2011-12-22 |
| Polyurethanes App 20110130471 - Munzenberg; Cindy ; et al. | 2011-06-02 |
| Thickening Agent Based on Polyurethane App 20080108775 - Schieferstein; Ludwig ; et al. | 2008-05-08 |
| Polyurethane-based thickeners App 20050187342 - Schieferstein, Ludwig ; et al. | 2005-08-25 |
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