Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879366 | Preparation of aromatic oligomers | Viktors Jansons | 1989-11-07 |
| 4868271 | Novel aromatic polymers | Klaus J. Dahl, Patrick J. Horner, Viktors Jansons, Richard Whiteley | 1989-09-19 |
| 4843179 | Preparation of 4,4'-diphenoxybenzophenone | Viktors Jansons | 1989-06-27 |
| 4814508 | Friedel-crafts preparation of aromatic ketones | Patrick J. Horner, Viktors Jansons | 1989-03-21 |