Issued Patents All Time
Showing 26–50 of 82 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5882392 | Bisazo inkjet dyes | Prahalad Manibhai Mistry, Roy Bradbury, Paul Wight | 1999-03-16 |
| 5882391 | Bisazo inkjet dyes | Prahalad Manibhai Mistry, Roy Bradbury, Paul Wight | 1999-03-16 |
| 5869627 | Stabilised dye composition | Ronald Wynford Kenyon, Paul Wight | 1999-02-09 |
| 5847114 | Poly-substituted phthalocyantines | Dean Thetford | 1998-12-08 |
| 5843218 | Bisazo inkjet dyes | Prahalad Manibhai Mistry, Roy Bradbury, Paul Wight | 1998-12-01 |
| 5820661 | Ink compositions containing disazo dyes | Mark Kenworthy, Andrew H. M. Renfrew | 1998-10-13 |
| 5817154 | Process for treating stained fabrics with manganese phthalocyanines | Stephen James Reynolds, Raymond L. White | 1998-10-06 |
| 5779780 | Ink and toner compositions containing a mixture of bis-azo dyes | John A. Taylor | 1998-07-14 |
| 5779778 | Ink composition containing a mixture of benzodifuranone dyes | Alan T. Leaver | 1998-07-14 |
| 5779781 | Ink and toner compositions containing substituted phenyl AZO thiophene dye | Alan T. Leaver | 1998-07-14 |
| 5773593 | B15-A20 dyes and inks based thereon | Ronald Wynford Kenyon, Paul Wight | 1998-06-30 |
| 5772745 | Monoazo compounds | Ronald Wynford Kenyon, Paul Wight | 1998-06-30 |
| 5759247 | Ink compositions processes and uses | John A. Taylor | 1998-06-02 |
| 5759248 | Monoazo compounds | Ronald Wynford Kenyon, Paul Wight | 1998-06-02 |
| 5756693 | Disazo Compound | Ronald Wynford Kenyon | 1998-05-26 |
| 5755862 | Monoazo dyes useful in ink compositions for printing on substrates by ink-jet printing | Prakash Patel | 1998-05-26 |
| 5756692 | Chemical compounds | Ronald Wynford Kenyon, Paul Wight | 1998-05-26 |
| 5730759 | Poly-substituted phthalocyanines | Dean Thetford | 1998-03-24 |
| 5629417 | Phthalocyanines | James Stanley Campbell, Dean Thetford | 1997-05-13 |
| 5608053 | Poly-substituted phthalocyanines | Dean Thetford | 1997-03-04 |
| 5516899 | Phthalocyanines | James Stanley Campbell, Dean Thetford | 1996-05-14 |
| 5486274 | Poly-substituted phthalocyanines | Dean Thetford | 1996-01-23 |
| 5484915 | Sulphonated manganese phthalocyanines and compositions thereof | Stephen James Reynolds, Raymond L. White | 1996-01-16 |
| 5453495 | Disazo compounds containing an optionally substituted piperazinyl group | Ronald Wynford Kenyon, Prahalad Manibhai Mistry | 1995-09-26 |
| 5423906 | Trisazo dyes, inks comprising same and their use in ink jet printing | Prahalad Manibhai Mistry | 1995-06-13 |