Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876047 | Process for producing sulphonic acid | David Farrar, Peter Flesher | 1989-10-24 |
| 4820872 | Process for hydrolyzing nitriles | David Farrar, Peter Flesher | 1989-04-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876047 | Process for producing sulphonic acid | David Farrar, Peter Flesher | 1989-10-24 |
| 4820872 | Process for hydrolyzing nitriles | David Farrar, Peter Flesher | 1989-04-11 |