Patent | Date |
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Method for preparing an electrolyte and an electrolyte replenishment system during aluminum electrolysis process Grant 10,309,021 - Chen , et al. | 2019-06-04 |
Potassium cryolite for aluminum electrolysis industry and preparation method thereof Grant 10,202,701 - Chen , et al. Feb | 2019-02-12 |
Aluminum-zirconium-titanium-carbon grain refiner and method for producing the same Grant 9,957,588 - Chen , et al. May 1, 2 | 2018-05-01 |
Grain refiner for magnesium and magnesium alloys and method for producing the same Grant 9,937,554 - Chen , et al. April 10, 2 | 2018-04-10 |
Method for preparing zirconium boride and synchronously preparing cryolite Grant 9,902,622 - Chen , et al. February 27, 2 | 2018-02-27 |
Potassium fluotitanate manufacture and device background Grant 9,878,919 - Chen , et al. January 30, 2 | 2018-01-30 |
Low-molecular-ratio cryolite for aluminium electrolytic industry and method for preparing the same Grant 9,856,571 - Chen , et al. January 2, 2 | 2018-01-02 |
Sealing ring and preparation method thereof Grant 9,765,887 - Chen , et al. September 19, 2 | 2017-09-19 |
Electrolyte supplement system in aluminium electrolysis process and method for preparing the same Grant 9,611,151 - Chen , et al. April 4, 2 | 2017-04-04 |
Preparation process of transition metal boride and uses thereof Grant 9,546,095 - Chen , et al. January 17, 2 | 2017-01-17 |
Method for preparing aluminum-zirconium-boron alloy and synchronously preparing crylite Grant 9,546,098 - Chen , et al. January 17, 2 | 2017-01-17 |
Zero pollution recovery system for safely producing anhydrous fluorine hydride Grant 9,149,767 - Chen , et al. October 6, 2 | 2015-10-06 |
Alloy For Magnesium And Magnesium Alloy Grain Refinement And Preparation Method Thereof App 20150211096 - Chen; Xuemin ;   et al. | 2015-07-30 |
Method For Preparing An Electrolyte And An Electrolyte Replenishment System During Aluminum Electrolysis Process App 20150203978 - Chen; Xuemin ;   et al. | 2015-07-23 |
Method For Preparing Zirconium Boride And Synchronously Preparing Cryolite App 20150183645 - Chen; Xuemin ;   et al. | 2015-07-02 |
Distillation equipment for producing sponge titanium Grant 9,068,248 - Chen , et al. June 30, 2 | 2015-06-30 |
Method For Preparing Aluminum-zirconium-boron Alloy And Synchronously Preparing Crylite App 20150175436 - Chen; Xuemin ;   et al. | 2015-06-25 |
Reaction equipment for producing sponge titanium Grant 9,051,628 - Chen , et al. June 9, 2 | 2015-06-09 |
Electromagnetic induction melting furnace to control an average nominal diameter of the TiB.sub.2 cluster of the Al-Ti-B alloy Grant 9,025,636 - Chen , et al. May 5, 2 | 2015-05-05 |
Electromagnetic induction melting furnace to control an average nominal diameter of the TiC cluster of the Al--Ti--C alloy Grant 9,025,637 - Chen , et al. May 5, 2 | 2015-05-05 |
Low-molecular-ratio cryolite for aluminium electrolytic industry and method for preparing the same Grant 8,936,710 - Chen , et al. January 20, 2 | 2015-01-20 |
Process for producing sponge titanium Grant 8,876,938 - Chen , et al. November 4, 2 | 2014-11-04 |
Technological method for preparing sponge titanium from sodium fluotitanate raw material Grant 8,871,002 - Chen , et al. October 28, 2 | 2014-10-28 |
Method for preparing sponge titanium from potassium fluotitanate by aluminothermic reduction Grant 8,864,873 - Chen , et al. October 21, 2 | 2014-10-21 |
Method for preparing sponge titanium from sodium fluotitanate by aluminothermic reduction Grant 8,864,874 - Chen , et al. October 21, 2 | 2014-10-21 |
Method for cyclically preparing titanium sponge and coproducing sodium cryolite using sodium fluotitanate as intermediate material Grant 8,758,478 - Chen , et al. June 24, 2 | 2014-06-24 |
Method for cyclically preparing titanium sponge and coproducing potassium cryolite using potassium fluotitanate as intermediate material Grant 8,753,421 - Chen , et al. June 17, 2 | 2014-06-17 |
Use of aluminum--zirconium--titanium--carbon intermediate alloy in wrought processing of magnesium and magnesium alloys Grant 8,752,613 - Chen , et al. June 17, 2 | 2014-06-17 |
Use of aluminum-zirconium-carbon intermediate alloy in wrought processing of magnesium and magnesium alloys Grant 8,746,324 - Chen , et al. June 10, 2 | 2014-06-10 |
Sodium Cryolite For Aluminum Electrolysis Industry And Preparation Method Thereof App 20140138254 - CHEN; Xuemin ;   et al. | 2014-05-22 |
Electrolyte Supplement System In Aluminium Electrolysis Process And Method For Preparing The Same App 20140131215 - CHEN; Xuemin ;   et al. | 2014-05-15 |
Preparation Process Of Transition Metal Boride And Uses Thereof App 20140134090 - CHEN; Xuemin ;   et al. | 2014-05-15 |
Potassium Cryolite For Aluminum Electrolysis Industry And Preparation Method Thereof App 20140131216 - CHEN; Xuemin ;   et al. | 2014-05-15 |
Low-molecular-ratio Cryolite For Aluminium Electrolytic Industry And Method For Preparing The Same App 20140131214 - CHEN; Xuemin ;   et al. | 2014-05-15 |
Method for producing metal zirconium industrially and producing low-temperature aluminum electrolyte as byproduct Grant 8,709,130 - Chen , et al. April 29, 2 | 2014-04-29 |
Preparation process of transition metal boride and uses thereof Grant 8,709,368 - Chen , et al. April 29, 2 | 2014-04-29 |
Method for preparing aluminum--zirconium--titanium--carbon intermediate alloy Grant 8,695,684 - Chen , et al. April 15, 2 | 2014-04-15 |
Electrolyte supplement system in aluminium electrolysis process and method for preparing the same Grant 8,679,318 - Chen , et al. March 25, 2 | 2014-03-25 |
Method for producing aluminum-zirconium-carbon intermediate alloy Grant 8,672,020 - Chen , et al. March 18, 2 | 2014-03-18 |
Cyclic preparation method for producing titanium boride from intermediate feedstock potassium-based titanium-boron-fluorine salt mixture and producing potassium cryolite as byproduct Grant 8,641,996 - Chen , et al. February 4, 2 | 2014-02-04 |
Cyclic preparation method for producing titanium boride from intermediate feedstock sodium-based titanium-boron-fluorine salt mixture and producing sodium cryolite as byproduct Grant 8,574,526 - Chen , et al. November 5, 2 | 2013-11-05 |
Method for cyclically preparing monomer boron and coproducing potassium cryolite using potassium fluoborate as intermediate material Grant 8,562,931 - Chen , et al. October 22, 2 | 2013-10-22 |
Method for cyclically preparing elemental boron and coproducing sodium cryolite using sodium fluoborate as intermediate material Grant 8,557,209 - Chen , et al. October 15, 2 | 2013-10-15 |
Sodium Cryolite For Aluminum Electrolysis Industry And Preparation Method Thereof App 20130112570 - CHEN; Xuemin ;   et al. | 2013-05-09 |
Process For Preparing Inert Anode Material Or Inert Cathode Coating Material For Aluminium Electrolysis App 20130115370 - CHEN; Xuemin ;   et al. | 2013-05-09 |
Method For Cyclically Preparing Titanium Sponge And Coproducing Sodium Cryolite Using Sodium Fluotitanate As Intermediate Material App 20130098206 - CHEN; Xuemin ;   et al. | 2013-04-25 |
Method For Cyclically Preparing Titanium Sponge And Coproducing Potassium Cryolite Using Potassium Fluotitanate As Intermediate Material App 20130098207 - CHEN; Xuemin ;   et al. | 2013-04-25 |
Cyclic Preparation Method For Producing Titanium Boride From Intermediate Feedstock Sodium-based Titanium-boron-fluorine Salt Mixture And Producing Sodium Cryolite As Byproduct App 20130095020 - CHEN; Xuemin ;   et al. | 2013-04-18 |
Potassium Cryolite For Aluminum Electrolysis Industry And Preparation Method Thereof App 20130092552 - CHEN; Xuemin ;   et al. | 2013-04-18 |
Method For Producing Metal Zirconium Industrially And Producing Low-temperature Aluminum Electrolyte As Byproduct App 20130091988 - CHEN; Xuemin ;   et al. | 2013-04-18 |
Low-molecular-ratio Cryolite For Aluminium Electrolytic Industry And Method For Preparing The Same App 20130092550 - CHEN; Xuemin ;   et al. | 2013-04-18 |
Preparation Process Of Transition Metal Boride And Uses Thereof App 20130095022 - CHEN; Xuemin ;   et al. | 2013-04-18 |
Electrolyte Supplement System In Aluminium Electrolysis Process And Method For Preparing The Same App 20130092551 - CHEN; Xuemin ;   et al. | 2013-04-18 |
Method For Cyclically Preparing Monomer Boron And Coproducing Potassium Cryolite Using Potassium Fluoborate As Intermediate Material App 20130095023 - CHEN; Xuemin ;   et al. | 2013-04-18 |
Method For Cyclically Preparing Monomer Boron And Coproducing Sodium Cryolite Using Sodium Fluoborate As Intermediate Material App 20130095024 - CHEN; Xuemin ;   et al. | 2013-04-18 |
Cyclic Preparation Method For Producing Titanium Boride From Intermediate Feedstock Potassium-based Titanium-boron-fluorine Salt Mixture And Producing Potassium Cryolite As Byproduct App 20130095021 - CHEN; Xuemin ;   et al. | 2013-04-18 |
Dust removal system for dust gas Grant 8,377,185 - Chen , et al. February 19, 2 | 2013-02-19 |
Zero Pollution Recovery System For Safely Producing Anhydrous Fluorine Hydride App 20120321522 - Chen; Xuemin ;   et al. | 2012-12-20 |
Process For Producing Sponge Titanium App 20120304825 - CHEN; Xuemin ;   et al. | 2012-12-06 |
Technological Method For Preparing Sponge Titanium From Sodium Fluotitanate Raw Material App 20120304824 - CHEN; Xuemin ;   et al. | 2012-12-06 |
Method For Preparing Sponge Titanium From Sodium Fluotitanate By Aluminothermic Reduction App 20120304826 - CHEN; Xuemin ;   et al. | 2012-12-06 |
Method For Preparing Sponge Titanium From Potassium Fluotitanate By Aluminothermic Reduction App 20120304823 - CHEN; Xuemin ;   et al. | 2012-12-06 |
Distillation Equipment For Producing Sponge Titanium App 20120306131 - CHEN; Xuemin ;   et al. | 2012-12-06 |
Reaction Equipment For Producing Sponge Titanium App 20120306129 - CHEN; Xuemin ;   et al. | 2012-12-06 |
Sealing Ring And Preparation Method Thereof App 20120308430 - CHEN; Xuemin ;   et al. | 2012-12-06 |
Method for controlling variations of Al--Ti--B alloy grain refinement ability through controlling compression ratio Grant 8,286,457 - Chen , et al. October 16, 2 | 2012-10-16 |
Method for continuious and efficient casting roll of magnesium alloy plate Grant 8,220,526 - Chen , et al. July 17, 2 | 2012-07-17 |
Method for purifying Al-Ti-B alloy melt Grant 8,167,970 - Chen , et al. May 1, 2 | 2012-05-01 |