Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6153117 | Azeotropic refrigerant composition containing sulfur hexafluoride and method of use thereof | Anatoli Yakovlevich Stolyarevski, Alexander Sergeevich Doronin, Alexander V. Shevtsov | 2000-11-28 |
| 4380532 | Process for fine purification of sulphur hexafluoride from impurities | Mikhail L. Netupsky, Alexandr V. Shevtsov, Viktor T. Gladky, Nikolai A. Dmitriev, Andrei Grigorievich Lyapin +3 more | 1983-04-19 |