Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6139752 | Composition and method for selectively removing metal ions from an aqueous solution | Leonard Francis Lindoy, Peter A. Tasker, Ian Murray Atkinson | 2000-10-31 |
| 5342937 | Heterocyclic thione | Peter W. Austin, Peter M. Quan, Peter A. Tasker | 1994-08-30 |
| 5258524 | Bis-bibenzimidazole composition | Peter M. Quan, Raymond F. Dalton | 1993-11-02 |
| 5212313 | Polycyclic dyes | Ronald W. Kenyon, David F. Newton | 1993-05-18 |
| 5196392 | Thermal transfer printing | Roy Bradbury, Ronald W. Kenyon | 1993-03-23 |
| 5183888 | Polycyclic dyes | Ronald W. Kenyon, David F. Newton | 1993-02-02 |
| 5084580 | Polycylic dyes | Ronald W. Kenyon, David F. Newton | 1992-01-28 |
| 5074911 | Heterocyclic thione | Peter W. Austin, Peter M. Quan, Peter A. Tasker | 1991-12-24 |
| 4680417 | 2.6-dioxo-2.6-dehydrobenzo[1:2-b,4:5-b]difurans | Ronald W. Kenyon | 1987-07-14 |
| 4650882 | Dyes having two 5-membered lactone rings fused to a central cyclohexa-1.4-diene nucleus | Ronald W. Kenyon | 1987-03-17 |