Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6331204 | Printing ink composition | Kathryn Carr, Mark Holbrook | 2001-12-18 |
| 6040005 | Colored polymers | Kathyrn Carr | 2000-03-21 |
| 5972544 | Printing process | Kathryn Carr, Mark Holbrook | 1999-10-26 |
| 5385997 | Bidentate chelating monomers and polymers | Gavin M. Buchan | 1995-01-31 |
| 5026860 | Bidentate chelating monomers and polymers | Gavin M. Buchan | 1991-06-25 |
| 4861697 | Recording medium for optical data storage | Alan G. Hulme-Lowe, Vivien L. Bell | 1989-08-29 |
| 4769459 | Oxidative imaging | Ranjan C. Patel, Herbert J. Pennicott | 1988-09-06 |
| 4701402 | Oxidative imaging | Ranjan C. Patel, Herbert J. Pennicott | 1987-10-20 |
| 4547444 | Recording element for optical data storage | Vivien L. Bell, Mark J. Weatherley | 1985-10-15 |