Issued Patents All Time
Showing 26–50 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4950747 | Polysaccharides | Peter Flesher, Kenneth Charles Symes | 1990-08-21 |
| 4946605 | Aqueous drilling and packer fluids | Brian Dymond | 1990-08-07 |
| 4943378 | Flocculation processes | Peter Flesher, John R. Field | 1990-07-24 |
| 4940763 | Water soluble polymers | Peter Flesher, Malcolm Hawe, John Langley | 1990-07-10 |
| 4908045 | Engine cleaning additives for diesel fuel | — | 1990-03-13 |
| 4906732 | Treatment of polyacrylamide gel particles with amidase to reduce residual acrylamide content thereof | Peter Flesher | 1990-03-06 |
| 4906776 | Catalysts and their use in the hydrolysis of nitriles | Gerald P. Benn, Seraj A. M. Karolia | 1990-03-06 |
| 4895687 | Process for converting dusty or sticky particulate materials | Peter Flesher | 1990-01-23 |
| 4892916 | Polymeric thickeners and their production | Malcolm Hawe | 1990-01-09 |
| 4880858 | Water absorbing polymers | Peter Flesher, Malcolm Skinner, John B. Clarke, David Marshall, Malcolm Hawe | 1989-11-14 |
| 4876047 | Process for producing sulphonic acid | Gerald P. Benn, Peter Flesher | 1989-10-24 |
| 4861539 | Process of making water-absorbent, water-insoluble, cross linked fiber or film | Adrian S. Allen, Peter Flesher | 1989-08-29 |
| 4859720 | Process and compositions for sizing paper | Peter Flesher, John Langley, Norma Rosier | 1989-08-22 |
| 4835206 | Water soluble polymeric compositions | John Langley, Adrian Swinburne Allen | 1989-05-30 |
| 4820872 | Process for hydrolyzing nitriles | Peter Flesher, Gerald P. Benn | 1989-04-11 |
| 4820645 | Testing polyelectrolytes | John R. Field, Peter Flesher | 1989-04-11 |
| 4792343 | Dispersing agents | Malcolm Hawe | 1988-12-20 |
| 4789695 | Blends of acrylamide polymers and Mannich bases | Peter Flesher | 1988-12-06 |
| 4778836 | Process for dispersing polymer gel particles in aqueous medium | John R. Robinson, Peter Flesher | 1988-10-18 |
| 4759856 | Flocculation processes | John R. Field, Peter Flesher, Tony Whittaker | 1988-07-26 |
| 4741790 | Aqueous adhesives and their use | Malcolm Hawe | 1988-05-03 |
| 4720346 | Flocculation processes | Peter Flesher, John R. Field | 1988-01-19 |
| 4702844 | Flocculants and their use | Peter Flesher, Malcolm Hawe, John Langley | 1987-10-27 |
| 4699722 | Aqueous well fluids | Brian Dymond | 1987-10-13 |
| 4677152 | Polymeric compositions | Adrian S. Allen | 1987-06-30 |