Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12227423 | Silicon-aluminum alloy and preparation method therefor | Xuemin Chen, Ronald Ray Duckworth, Yueming Yu, Qingchao WANG | 2025-02-18 |
| 9149767 | Zero pollution recovery system for safely producing anhydrous fluorine hydride | Xuemin Chen, Qingdong Ye, Yueming Yu, Sihai Zhou, Jun Yang | 2015-10-06 |
| 8876938 | Process for producing sponge titanium | Xuemin Chen, Jun Yang | 2014-11-04 |
| 8871002 | Technological method for preparing sponge titanium from sodium fluotitanate raw material | Xuemin Chen, Jun Yang | 2014-10-28 |
| 8864873 | Method for preparing sponge titanium from potassium fluotitanate by aluminothermic reduction | Xuemin Chen, Jun Yang | 2014-10-21 |
| 8864874 | Method for preparing sponge titanium from sodium fluotitanate by aluminothermic reduction | Xuemin Chen, Jun Yang | 2014-10-21 |
| 8758478 | Method for cyclically preparing titanium sponge and coproducing sodium cryolite using sodium fluotitanate as intermediate material | Xuemin Chen, Yueming Yu, Qingdong Ye, Jun Yang, Xinyi Chen | 2014-06-24 |
| 8753421 | Method for cyclically preparing titanium sponge and coproducing potassium cryolite using potassium fluotitanate as intermediate material | Xuemin Chen, Yueming Yu, Qingdong Ye, Jun Yang, Xinyi Chen | 2014-06-17 |
| 8641996 | Cyclic preparation method for producing titanium boride from intermediate feedstock potassium-based titanium-boron-fluorine salt mixture and producing potassium cryolite as byproduct | Xuemin Chen, Yueming Yu, Qingdong Ye, Jun Yang | 2014-02-04 |
| 8574526 | Cyclic preparation method for producing titanium boride from intermediate feedstock sodium-based titanium-boron-fluorine salt mixture and producing sodium cryolite as byproduct | Xuemin Chen, Yueming Yu, Qingdong Ye, Jun Yang | 2013-11-05 |
| 8562931 | Method for cyclically preparing monomer boron and coproducing potassium cryolite using potassium fluoborate as intermediate material | Xuemin Chen, Yueming Yu, Qingdong Ye, Jun Yang | 2013-10-22 |
| 8557209 | Method for cyclically preparing elemental boron and coproducing sodium cryolite using sodium fluoborate as intermediate material | Xuemin Chen, Yueming Yu, Qingdong Ye, Jun Yang | 2013-10-15 |