Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4221873 | Method for producing phenol foam plastic | Leonid V. Volodko, Ljudmila E. Ostrovskaya, Galina G. Dzivitskaya, Igor D. Goretsky, Vasily M. Khoruzhy +3 more | 1980-09-09 |