Chong Yun Kwag

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method of preparing difluorinated alcohol compound
- Patent number 10,358,412
- Issue date Jul 23, 2019
- Samhwa Paints Industries Co., LTD.
- Da Eun Kwon
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing spiro quaternary ammonium salt
- Patent number 10,093,677
- Issue date Oct 9, 2018
- SAMHWA PAINTS INDUSTRIES CO., LTD.
- Myeng Chan Hong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Composite composition comprising sodium percarbonate with improved...
- Patent number 6,218,352
- Issue date Apr 17, 2001
- Oriental Chemical Industries
- Sang Hwa Lee
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for manufacturing granular sodium percarbonate
- Patent number 5,851,420
- Issue date Dec 22, 1998
- Oriental Chemical Industries
- Sang Ryul Kim
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PREPARING SPIRO QUATERNARY AMMONIUM SALT
- Publication number 20180186804
- Publication date Jul 5, 2018
- SAMHWA PAINTS INDUSTRIES CO., LTD.
- Myeng Chan HONG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD OF PREPARING DIFLUORINATED ALCOHOL COMPOUND
- Publication number 20170313651
- Publication date Nov 2, 2017
- SAMHWA PAINTS INDUSTRIES CO., LTD.
- Da Eun Kwon
- C07 - ORGANIC CHEMISTRY