Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5122278 | Inhibition of deposition in aqueous systems | Stuart W. Longworth, Brian Greaves | 1992-06-16 |
| 4964952 | Method of controlling pitch using a cationically modified tannin | Richard P. Clifford | 1990-10-23 |
| 4566972 | Treatment of aqueous systems | Stuart W. Longworth, John G. Baker | 1986-01-28 |
| 4557896 | Treatment of aqueous systems | Philip Brocklebank | 1985-12-10 |