Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4318831 | Polysubstituted cyclopentene derivatives | Ernst-Joachim Brunke | 1982-03-09 |
| 4313855 | Fixative for perfume compositions | Willi Rojahn | 1982-02-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4318831 | Polysubstituted cyclopentene derivatives | Ernst-Joachim Brunke | 1982-03-09 |
| 4313855 | Fixative for perfume compositions | Willi Rojahn | 1982-02-02 |