Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4211856 | Process for producing acid agent from sulfonated phenol and formaldehyde | Vasily D. Valgin, Alexandr M. Vasilenko, Anatoly Y. Morozov | 1980-07-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4211856 | Process for producing acid agent from sulfonated phenol and formaldehyde | Vasily D. Valgin, Alexandr M. Vasilenko, Anatoly Y. Morozov | 1980-07-08 |