Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5457095 | Substituted propane-phosponous acid compounds | John G. Dingwall, Josef Ehrenfreund, Roger Graham Hall | 1995-10-10 |
| 5243062 | Substituted propane-phosphonous acid compounds | John G. Dingwall, Josef Ehrenfreund, Roger Graham Hall | 1993-09-07 |
| 5004826 | Substituted propane-phosphonous acid compounds | John G. Dingwall, Josef Ehrenfreund, Roger Graham Hall | 1991-04-02 |
| 4908465 | Substituted propane-phosphonous acid compounds | John G. Dingwall, Josef Ehrenfreund, Roger Graham Hall | 1990-03-13 |
| 4772738 | Substituted propane-phosphonuous acid compounds | John G. Dingwall, Josef Ehrenfreund, Roger Graham Hall | 1988-09-20 |
| 4696763 | Compositions containing heterocyclic corrosion inhibitors | Robert L. Bentley, William Hoyle | 1987-09-29 |
| 4656298 | Substituted propane-phosphonous acid compounds | John G. Dingwall, Josef Ehrenfreund, Roger Graham Hall | 1987-04-07 |
| 4612049 | Corrosion-inhibiting coating compositions | Godwin Berner, William Hoyle | 1986-09-16 |
| 4255152 | Process for the dyeing of hydrophobic fibres | Brian Hewitt, Cyril Hobday, John F. E. Keenan | 1981-03-10 |