Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855422 | Process for the preparation of azoniaspironortropanol esters | Wolf Grimminger, Klaus Gorler | 1989-08-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855422 | Process for the preparation of azoniaspironortropanol esters | Wolf Grimminger, Klaus Gorler | 1989-08-08 |