Frohning; Carl D
Patent Applications and Registrations
Patent applications and USPTO patent grants for Frohning; Carl D.The latest application filed is for "process for preparing sulfonated arylphosphines".
- Frohning; Carl D - Wesel DE
- Frohning, Carl D. - Wesel DE
| Patent | Date |
|---|---|
| Process for preparing sulfonated arylphosphines Grant 7,102,034 - Riedel , et al. September 5, 2 | 2006-09-05 |
| Process for preparing sulfonated arylphosphines App 20050171377 - Riedel, Michael ; et al. | 2005-08-04 |
| Process for preparing sulfonated arylphosphines Grant 6,864,387 - Riedel , et al. March 8, 2 | 2005-03-08 |
| Process for preparing sulfonated arylphosphines App 20040019236 - Riedel, Michael ; et al. | 2004-01-29 |
| Method for producing sulfonated aryl phosphines Grant 6,610,881 - Riedel , et al. August 26, 2 | 2003-08-26 |
| Copper/zinc oxide/aluminum oxide-containing catalysts Grant 5,302,569 - Horn , et al. April 12, 1 | 1994-04-12 |
| Process for the preparation of catalyst compositions containing nickel, alumina, and zirconium dioxide and catalysts made therefrom Grant 4,956,328 - Frohning , et al. September 11, 1 | 1990-09-11 |
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