Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7416591 | Disperse dye mixtures | Clemens Grund, David Brierley | 2008-08-26 |
| 7118604 | Non azo disperse dye mixtures | David Brierley, Nigel Hall, Alan Cunningham | 2006-10-10 |
| 6641620 | Disperse dye mixtures | David Brierley, James F. Bullock | 2003-11-04 |
| 6589296 | Disperse dye mixtures | David Brierley | 2003-07-08 |
| 6562082 | Disperse dye mixture | David Brierley | 2003-05-13 |
| 6022957 | Azothiophenes and mixtures thereof | — | 2000-02-08 |
| 5928388 | Dye mixtures | — | 1999-07-27 |
| 5779778 | Ink composition containing a mixture of benzodifuranone dyes | Peter Gregory | 1998-07-14 |
| 5779781 | Ink and toner compositions containing substituted phenyl AZO thiophene dye | Peter Gregory | 1998-07-14 |
| 4960434 | Azo disperse dye mixture giving bright blue shades on polyester textiles | David Brierley | 1990-10-02 |