Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5436310 | Aromatic polymers | Klaus J. Dahl, Patrick J. Horner, Viktors Jansons, Richard Whiteley | 1995-07-25 |
| 5068447 | Friedel-crafts preparation of aromatic ketones with an inoganic salt controlling agent | Patrick J. Horner, Viktors Jansons | 1991-11-26 |
| 4912195 | Preparation of aromatic polymers using a specified quantity of Lewis acid | Viktors Jansons | 1990-03-27 |
| 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 |
| 4721771 | Preparation of aromatic polymers | Viktors Jansons | 1988-01-26 |
| 4709007 | Preparation of aromatic polymers | Viktors Jansons | 1987-11-24 |
| 4698393 | Preparation of poly(arylene ether ketones) | Viktors Jansons, Stephen Moore, Robert H. Reamey, Paul Becker | 1987-10-06 |
| 4593086 | Preparation of aromatic ketone-sulfone copolymers | Viktors Jansons | 1986-06-03 |