Penninger; Stefan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Penninger; Stefan.The latest application filed is for "process for the production of stable polymers".
- Penninger; Stefan - Pulheim DE
- Penninger; Stefan - Dormagen DE
| Patent | Date |
|---|---|
| Process for the production of stable polymers Grant 8,110,704 - Barnes , et al. February 7, 2 | 2012-02-07 |
| Process for the production of stable polymers App 20080108776 - Barnes; James Michael ; et al. | 2008-05-08 |
| Diisocyanates and processes for their production and use Grant 5,552,507 - Wamprecht , et al. September 3, 1 | 1996-09-03 |
| Process for the preparation of highly pure aromatic diurethanes and/or polyurethanes Grant 5,399,736 - Friederichs , et al. March 21, 1 | 1995-03-21 |
| Dissocyanates, diisocyanate mixtures and a process for their production Grant 4,786,751 - Knofel , et al. November 22, 1 | 1988-11-22 |
| Triisocyanates and a process for their preparation Grant 4,603,189 - Knofel , et al. July 29, 1 | 1986-07-29 |
| Process for the preparation of urethanes Grant 4,480,110 - Heitkamper , et al. October 30, 1 | 1984-10-30 |
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