Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888431 | Process for the preparation of substituted fused tetrahydrocarbazole acetic acid derivatives | — | 1989-12-19 |
| 4886826 | Substituted 2,3,4,9-tetrahydro-1H-carbazole-1-acetic acid derivatives, composition and use | — | 1989-12-12 |
| 4873257 | Susbtituted fused tetrahydrocarbazole acetic acid derivatives | — | 1989-10-10 |
| 4861910 | Process for the production of substituted 2-oxocyclohexaneacetic acid esters | Philip F. Hughes, Leslie G. Humber | 1989-08-29 |
| 4847389 | Production of substituted 2,3,4,9-tetrahydro-1H-carbazole-1-acetic acid derivatives | Leslie G. Humber | 1989-07-11 |