Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4215100 | Method of producing potassium sulfate | Igor D. Sokolov, Vera A. Ostanina, Jury S. Safrygin, Tatyana I. Rutkovskaya, Nina V. Antonova | 1980-07-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4215100 | Method of producing potassium sulfate | Igor D. Sokolov, Vera A. Ostanina, Jury S. Safrygin, Tatyana I. Rutkovskaya, Nina V. Antonova | 1980-07-29 |