Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5384343 | Water absorbing polymers | David Farrar, Malcolm Skinner, John B. Clarke, David Marshall | 1995-01-24 |
| 5362517 | Methods of making crystalline-coated polymeric materials | David Farrar, Malcolm Skinner, Brian Dymond | 1994-11-08 |
| 5283272 | Process and apparatus for performing chemical reactions | David Farrar | 1994-02-01 |
| 5280079 | Absorbent products and their manufacture | Adrian S. Allen, David Farrar | 1994-01-18 |
| 5171781 | Polymeric compositions | David Farrar, John R. Field | 1992-12-15 |
| 5110859 | Polymers, their production and uses | David Farrar | 1992-05-05 |
| 5002607 | Process for pelletizing particulate materials | John R. Field | 1991-03-26 |
| 4997714 | Absorbent products and their manufacture | David Farrar, Adrian S. Allen | 1991-03-05 |
| 4996251 | Polymeric compositions and their production | David Farrar, Peter Robert Lawrence | 1991-02-26 |
| 4980434 | Absorbent polymers, their manufacture and uses | David Farrar, Malcolm Hawe | 1990-12-25 |
| 4962172 | Absorbent products and their manufacture | Adrian S. Allen, David Farrar | 1990-10-09 |
| 4950748 | Polysaccharides | David Farrar, Kenneth Charles Symes | 1990-08-21 |
| 4950788 | Process for producing unsaturated carboxylic acids | David Farrar | 1990-08-21 |
| 4950725 | Particulate polymers, their production and uses | David Farrar, Adrian S. Allen | 1990-08-21 |
| 4950747 | Polysaccharides | David Farrar, Kenneth Charles Symes | 1990-08-21 |
| 4943378 | Flocculation processes | David Farrar, John R. Field | 1990-07-24 |
| 4940763 | Water soluble polymers | David Farrar, Malcolm Hawe, John Langley | 1990-07-10 |
| 4906732 | Treatment of polyacrylamide gel particles with amidase to reduce residual acrylamide content thereof | David Farrar | 1990-03-06 |
| 4895687 | Process for converting dusty or sticky particulate materials | David Farrar | 1990-01-23 |
| 4880858 | Water absorbing polymers | David Farrar, Malcolm Skinner, John B. Clarke, David Marshall, Malcolm Hawe | 1989-11-14 |
| 4876047 | Process for producing sulphonic acid | Gerald P. Benn, David Farrar | 1989-10-24 |
| 4861539 | Process of making water-absorbent, water-insoluble, cross linked fiber or film | Adrian S. Allen, David Farrar | 1989-08-29 |
| 4859720 | Process and compositions for sizing paper | John Langley, Norma Rosier, David Farrar | 1989-08-22 |
| 4820872 | Process for hydrolyzing nitriles | David Farrar, Gerald P. Benn | 1989-04-11 |
| 4820645 | Testing polyelectrolytes | John R. Field, David Farrar | 1989-04-11 |