Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4994111 | Ink-jet ink containing lithium salt of copper complex monoazo dye | Arthur Quayle | 1991-02-19 |
| 4931550 | Lithium salt of copper complex monoazo dye | Arthur Quayle | 1990-06-05 |
| 4865990 | Protein adsorbent including a colored compound containing a quaternary ammonium especially amidinium or guanidimium cationic group and a cellulose reactive group | Christopher Robin Lowe | 1989-09-12 |
| 4864018 | Anthraquinone derivatives and their use as protein absorbents | Steven James Burton, Christopher Robin Lowe | 1989-09-05 |
| 4851528 | Anthraquinone derivatives | Steven James Burton, Christopher Robin Lowe | 1989-07-25 |
| 4213899 | Reactive dyestuffs containing chlorine or fluorine substituents and one or more pyridine radicals linked to the dyestuff at the 2-, 4- or 6-position | Duncan Adrian Sidney Phillips, Brian Anderson, Neville Jackson, Alan T. Costello | 1980-07-22 |