Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4304785 | Dilignols and dilignol-type compounds | Herfried Griengl | 1981-12-08 |
| 4256764 | Process for making derivatives of dimers of isoeugenol | Herfried Griengl | 1981-03-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4304785 | Dilignols and dilignol-type compounds | Herfried Griengl | 1981-12-08 |
| 4256764 | Process for making derivatives of dimers of isoeugenol | Herfried Griengl | 1981-03-17 |