Hall; Roger G.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hall; Roger G..The latest application filed is for "substituted aminoalkylphosphinic acids".
- Hall; Roger G. - Manchester GB2
- Hall; Roger G. - Aesch CH
- Hall; Roger G. - Chorlton-cum Hardy GB2
| Patent | Date |
|---|---|
| Substituted aminoalkylphosphinic acids Grant 5,567,840 - Hall , et al. October 22, 1 | 1996-10-22 |
| Substituted aminoalkylphosphinic acids Grant 5,281,747 - Hall , et al. January 25, 1 | 1994-01-25 |
| Mono- and di-acylphosphine oxides Grant 5,218,009 - Rutsch , et al. June 8, 1 | 1993-06-08 |
| Substituted propane-phosphonous acid compounds Grant 5,004,826 - Dingwall , et al. April 2, 1 | 1991-04-02 |
| Substituted propane-phosphonous acid compounds Grant 4,656,298 - Dingwall , et al. April 7, 1 | 1987-04-07 |
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