Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4718994 | Method for preparing hydroxy compounds of aromatic and heteroaromatic series | Andrei K. Zhagars, Sniedzite A. Ozola, Andris K. Zitsmanis, Avgust K. Arens | 1988-01-12 |
| 4610767 | Photochemical method for preparing 4-keto-9-methylphenazine | Andrei K. Zhagars, Nikolai B. Novak | 1986-09-09 |