Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851556 | Process for the preparation of epoxidized polybutadienes | Andreas Grund, Guenter Prescher, Udo Brandt | 1989-07-25 |
| 4801759 | Process for producing vicinal diols | Gu Prescher, Helmut Maurer | 1989-01-31 |