| Patent | Application | Registration |
|---|---|---|
| Manufacturing method of synthetic collemanite | May. 5. 1992 | May. 5. 1992 079378 No. |
| Mold Flux consist of low fluorine for high speed continuous casting of steel | Dec. 9. 1993 | Oct. 18. 1995 090418 No. |
| A method of measuring a crystallization ratio of the Mold Flux | Dec. 30. 1999 1999-65690 No. |
Sep. 12. 2002 0354314 No. |
| A method of analysing a fluorine content in a Mold Flux using fluorescent X-rays | Sep. 21. 2001 2001-58640 No. |
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