Tonhauser; Jurgen
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tonhauser; Jurgen.The latest application filed is for "water-soluble or water-swellable polymers as water loss reducers in cement slurries".
- Tonhauser; Jurgen - Oestrich-Winkel DE
| Patent | Date |
|---|---|
| Water-soluble or water-swellable polymers as water loss reducers in cement slurries Grant 11,447,682 - Fischer , et al. September 20, 2 | 2022-09-20 |
| Water-Soluble Or Water-Swellable Polymers As Water Loss Reducers In Cement Slurries App 20200270506 - FISCHER; Dirk ; et al. | 2020-08-27 |
| Water-Soluble Or Water-Swellable Polymers As Water Loss Reducers In Cement Slurries App 20180171207 - FISCHER; Dirk ; et al. | 2018-06-21 |
| Water-soluble copolymers useful in drilling fluids Grant 5,510,436 - Hille , et al. April 23, 1 | 1996-04-23 |
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