Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870220 | Process for manufacturing methallyl chloride | Gerhard Sticken, Rolf Viehweger | 1989-09-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870220 | Process for manufacturing methallyl chloride | Gerhard Sticken, Rolf Viehweger | 1989-09-26 |