Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886649 | Method for the purification of hydrogen sulfide-containing gases | Zinfer Ismagilov, Kirill I. Zamaraev, Sergei R. Khairulin, Foat R. Ismagilov, Alexei A. Ivanov +4 more | 1989-12-12 |