Myeong Seok
Myeong Seok Kim, Daejeon KR
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20110306803 | SEPARATION OF GLYCOL MONO-TERTIARY-BUTYL ETHER AND GLYCOL DI-TERTIARY-BUTYL ETHER - A method of separating glycol mono-tertiary-butyl ether and glycol di-tertiary-butyl ether by an extraction process using hydrophilic and lipophilic extracting agents is disclosed. The separation method includes the step of separating a mixture including glycol mono-tertiary-butyl ether of the following Chemical formula 1 and glycol di-tertiary-butyl ether of the following Chemical formula 2 with a hydrophilic extracting agent and a lipophilic extracting agent, | 12-15-2011 |
20130331613 | METHOD FOR PREPARING A GLYCOL MONO-TERTIARY-BUTYLETHER COMPOUND - Disclosed is a method of preparing a glycol mono-tertiary-butyl ether compound using a C | 12-12-2013 |
Myeong Seok Kim, Sejong KR
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20150307376 | Method for Treating Waste Water Containing Fluorine Component - A method for removing the fluorine component from waste water which is produced during the manufacturing process of highly reactive polybutene and contains high concentration of fluorine component, is disclosed. The method comprises a step of adding to the waste water a treating agent selected from a group of Al compound, Ca compound and mixture thereof at temperature of 50 to 300° C. for reaction, whereby boron trifluoride neutralized salt is decomposed to form Al salt or Ca salt of fluorine component so that the fluorine component is removed in the form of the Al salt or the Ca salt of fluorine component. | 10-29-2015 |
Myeong Seok Lee, Seongnam-Si KR
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20130011150 | IMAGE FORMING APPARATUS AND CONTROL METHOD THEREOF - An image forming apparatus includes an operation progressing condition that is considered when the image forming apparatus enters an apparatus protection mode. Further, a method of controlling the image forming apparatus includes receiving an apparatus protection mode entry condition of the image forming apparatus, detecting the temperature of the image forming apparatus or the number of continuously printed sheets, judging whether or not the apparatus protection mode entry condition is satisfied, if the temperature of the image forming apparatus is higher than a predetermined temperature or the number of continuously printed sheets is greater than the predetermined number of sheets, and maintaining a basic printing operation of the image forming apparatus, if the apparatus protection mode entry condition is not satisfied, thereby increasing user's satisfaction and operation efficiency. | 01-10-2013 |