Youn Kyu Yi

Person

Wonju-si, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Method of inhibiting degradation of extractant by anhydrous environ...
- Patent number 11,359,260
- Issue date Jun 14, 2022
- KOREA RESOURCES CORPORATION
- Jeon Woong An
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of inhibiting degradation of DSX extractant by auxiliary means
- Patent number 11,359,258
- Issue date Jun 14, 2022
- KOREA RESOURCES CORPORATION
- Jeon Woong An
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of inhibiting extractant degradation by controlling extracti...
- Patent number 11,274,047
- Issue date Mar 15, 2022
- KOREA RESOURCES CORPORATION
- Jeon Woong An
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for inhibiting extractant degradation of DSX process through...
- Patent number 11,254,584
- Issue date Feb 22, 2022
- KOREA RESOURCES CORPORATION
- Jeon Woong An
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for inhibiting extractant degradation of DSX process through...
- Patent number 11,203,531
- Issue date Dec 21, 2021
- KOREA RESOURCES CORPORATION
- Jeon Woong An
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for recovering valuable metal sulfides
- Patent number 11,186,492
- Issue date Nov 30, 2021
- KOREA RESOURCES CORPORATION
- Seung Ho Lee
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for measuring the concentration of aliphatic hydroxy oxime a...
- Patent number 11,169,127
- Issue date Nov 9, 2021
- KOREA RESOURCES CORPORATION
- Seung Ho Lee
- G01 - MEASURING TESTING
Information Patent Grant
Method for inhibiting extractant degradation by diluent and extract...
- Patent number 11,168,003
- Issue date Nov 9, 2021
- KOREA RESOURCES CORPORATION
- Jeon Woong An
- G01 - MEASURING TESTING
Information Patent Grant
Method for measuring bis(2,4,4-trimethylpentyl) phosphinic acid con...
- Patent number 10,753,879
- Issue date Aug 25, 2020
- KOREA RESOURCES CORPORATION
- Seung Ho Lee
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF INHIBITING DEGRADATION OF DSX EXTRACTANT BY AUXILIARY MEANS
- Publication number 20210062293
- Publication date Mar 4, 2021
- KOREA RESOURCES CORPORATION
- Jeon Woong AN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD OF INHIBITING DEGRADATION OF EXTRACTANT BY ANHYDROUS ENVIRON...
- Publication number 20210062297
- Publication date Mar 4, 2021
- KOREA RESOURCES CORPORATION
- Jeon Woong AN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR INHIBITING EXTRACTANT DEGRADATION OF DSX PROCESS THROUGH...
- Publication number 20210024366
- Publication date Jan 28, 2021
- KOREA RESOURCES CORPORATION
- Jeon Woong AN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR INHIBITING EXTRACTANT DEGRADATION OF DSX PROCESS THROUGH...
- Publication number 20210024367
- Publication date Jan 28, 2021
- KOREA RESOURCES CORPORATION
- Jeon Woong AN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR INHIBITING EXTRACTANT DEGRADATION BY DILUENT AND EXTRACT...
- Publication number 20210024368
- Publication date Jan 28, 2021
- KOREA RESOURCES CORPORATION
- Jeon Woong AN
- G01 - MEASURING TESTING
Information Patent Application
METHOD OF INHIBITING EXTRACTANT DEGRADATION BY CONTROLLING EXTRACTI...
- Publication number 20210024369
- Publication date Jan 28, 2021
- KOREA RESOURCES CORPORATION
- Jeon Woong AN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR MEASURING THE CONCENTRATION OF ALIPHATIC HYDROXY OXIME A...
- Publication number 20200386727
- Publication date Dec 10, 2020
- KOREA RESOURCES CORPORATION
- Seung Ho LEE
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR RECOVERING VALUABLE METAL SULFIDES
- Publication number 20200283305
- Publication date Sep 10, 2020
- KOREA RESOURCES CORPORATION
- Seung Ho LEE
- C01 - INORGANIC CHEMISTRY

Youn Kyu Yi

Person

Patents Grantslast 30 patents

Method of inhibiting degradation of extractant by anhydrous environ...

Method of inhibiting degradation of DSX extractant by auxiliary means

Method of inhibiting extractant degradation by controlling extracti...

Method for inhibiting extractant degradation of DSX process through...

Method for inhibiting extractant degradation of DSX process through...

Method for recovering valuable metal sulfides

Method for measuring the concentration of aliphatic hydroxy oxime a...

Method for inhibiting extractant degradation by diluent and extract...

Method for measuring bis(2,4,4-trimethylpentyl) phosphinic acid con...

Patents Applicationslast 30 patents

METHOD OF INHIBITING DEGRADATION OF DSX EXTRACTANT BY AUXILIARY MEANS

METHOD OF INHIBITING DEGRADATION OF EXTRACTANT BY ANHYDROUS ENVIRON...

METHOD FOR INHIBITING EXTRACTANT DEGRADATION OF DSX PROCESS THROUGH...

METHOD FOR INHIBITING EXTRACTANT DEGRADATION OF DSX PROCESS THROUGH...

METHOD FOR INHIBITING EXTRACTANT DEGRADATION BY DILUENT AND EXTRACT...

METHOD OF INHIBITING EXTRACTANT DEGRADATION BY CONTROLLING EXTRACTI...

METHOD FOR MEASURING THE CONCENTRATION OF ALIPHATIC HYDROXY OXIME A...

METHOD FOR RECOVERING VALUABLE METAL SULFIDES