Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8642504 | Aqueous and transparent coatings for marking substrates | Jonathan Campbell, William J. Walker, Jr., Alan Platt, Karen O'Donoghue, Ann Hunt +2 more | 2014-02-04 |
| 8101545 | Coating compositions for marking substrates | Jonathan Campbell, Alan Platt, Ian Street | 2012-01-24 |
| 7998653 | Coating compositions comprising a latent activator for marking substrates | Karen O'Donoghue, Jonathan Campbell, Alan Platt, Howard Roger Dungworth, Adolf Kaser | 2011-08-16 |
| 7517397 | Heat sensitive recording material | Jonathan Campbell, Robert M. O'Neil, Ian Street, William J. Walker, Jr. | 2009-04-14 |
| 6624117 | Heat sensitive recording material | Michael Heneghan, Roy Alan Kirk, James Taylor, Robert M. O'Neil, John Barry Henshall | 2003-09-23 |
| 6071853 | Crystalline fluoran compound | Roy Alan Kirk, Jonathon Gawtrey, Michael Heneghan, Ian Antony Dearden, James Taylor +1 more | 2000-06-06 |
| 5936119 | Chemical process | John Barry Henshall | 1999-08-10 |
| 5925787 | Production of keto acids | James Taylor, William W. Walker, Jr., Michael Heneghan | 1999-07-20 |
| 5917086 | Purification process | James Taylor, John Barry Henshall | 1999-06-29 |
| 5908961 | Production of aminophenols | John Barry Henshall, Ian Antony Dearden, Steven Joseph Walsh | 1999-06-01 |
| 5794697 | Method for increasing oil production from an oil well producing a mixture of oil and gas | John R. Wolflick, James L. Cawvey, Jerry L. Brady, David D. Hearn | 1998-08-18 |