Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8894815 | Storage stable solutions of optical brighteners | Andrew Clive Jackson, Margaret Mahon, Martin Oberholzer | 2014-11-25 |
| 8221588 | Storage stable solutions of optical brighteners | Andrew Clive Jackson, Margaret Mahon | 2012-07-17 |
| 7060201 | Optical brighteners their composition their production and their use | — | 2006-06-13 |
| 7019134 | Amphoteric optical brighteners, their aqueous solutions, their production and their use | Andrew Clive Jackson | 2006-03-28 |
| 6911116 | Cationically modified white pigments, their production and use | Andrew Clive Jackson, Alec Stewart Tindal | 2005-06-28 |
| 6890454 | Optical brighteners compositions their production and their use | Andrew Clive Jackson, Alec Stewart Tindal | 2005-05-10 |
| 6525169 | Polycationic polymers, their production and use | — | 2003-02-25 |
| 6426382 | Polycationic polymer salts, their production and use | Mark D. Graham, Andrew Clive Jackson | 2002-07-30 |
| 5873913 | Optical brightening agents | John Stuart Cowman, Mark D. Graham, Neil MacKinnon | 1999-02-23 |
| 5024786 | Detergent compositions containing an anionic surfactant and a 4,4'-bis(triazinylamino)-stilbene disulphonic acid optical brightener | Mark D. Graham | 1991-06-18 |
| 4941983 | Fluid loss-reducing additives for oil-based well working fluids | Jacqueline A. Coates, Margaret H., all of Graham | 1990-07-17 |
| 4754032 | Triazinylaminobenzaldehydes | David L. Connell, Jurg Heller, Hans-Rudolf Schmid | 1988-06-28 |