Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888348 | Substituted thioureas, isothioureas and carbodiimides | Josef Ehrenfreund, Manfred Boger, Odd Kristiansen, Jozef Drabek | 1989-12-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888348 | Substituted thioureas, isothioureas and carbodiimides | Josef Ehrenfreund, Manfred Boger, Odd Kristiansen, Jozef Drabek | 1989-12-19 |