Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886886 | Substituted 1,3,4,9-tetrahydropyrano[3,4-b]indole-1-acetic acids | Brian McKittrick | 1989-12-12 |
| 4855445 | Substituted-8-alkenyl-1,3,4,9-tetrahydropyrano[3,4-b]indole-1-acetic acids | Christopher A. Demerson | 1989-08-08 |
| 4826994 | Production of substituted 1,3,4,9-tetrahydropyrano(3,4-B)indole-1-acetic acids | Christopher A. Demerson, Leslie G. Humber | 1989-05-02 |
| 4822781 | Substituted-8-alkenyl-1,3,4,9-tetrahydropyrano-[3,4-b]indole-1-acetic acids | Christopher A. Demerson | 1989-04-18 |