Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4312631 | Surface-active compounds based on natural rosin acids | Heinz Uhrig | 1982-01-26 |
UC
Ulrich Cuntze
Overall (1982): #26,254 of 81,411Top 35%
1
Patents 1982