| Name of Invention | Application No. | Registration No. | Date of Registration |
|---|---|---|---|
| Preparation of waterborne polyurethane hybrid dispersion based on urethane oligomer containing silane coupling agent | 10-2015-0009253 | 10-1645848 | 07/29/2016 |
| Composition for producing primer-free layer of colored steel sheet | 10-2013-0159415 | 10-1521357 | 05/12/2015 |
| Manufacturing method of oleic acid dericative for multi-functional additive to metal working fluids | 10-2012-0042282 | 10-391295 | 04/12/2015 |
| Cold rolling oil composition for electric steel sheet; and rolling oil additive | 10-2011-0142470 | 10-353797 | 01/12/2014 |
| Side huide liner; and manufacturing method | 10-2011-0022401 | 10-299871 | 08/19/2013 |
| Solid-liquid separation unit for waste silicon wafer sludge | 10-2012-0020775 | 10-168587 | 07/19/2012 |
| Steel sheet treated with composition for meral surface coating containing diamond | 10-2010-0057704 | 10-165318 | 07/06/2012 |
| Chrome-free resin composition for fingerprint resistant steel sheet made from fluorine-based resin; and surface-treated steel sheet | 10-2008-0126795 | 10-053316 | 07/26/2011 |
| Emulsion composition for magnesium or magnesium alloy processing; and processing method | 10-2008-0040186 | 10-043087 | 06/14/2011 |
| Chrome-free resin composition with enhanced heat- resistance and humidity-resistance; and surface-coated steel sheet, and manufacturing method | 10-2008-0126796 | 10-008109 | 01/06/2011 |
| Pre-shielded steel sheet with excellent anti-corrosion and weldability; and manufacturing method (International patents pending: Germany, Japan, China) | 10-2009-7026721 | 10-979056 | 08/24/2010 |
| Pre-shielded steel sheet with excellent anti-corrosion and weldability; and manufacturing method | 10-2008-7004467 | 10-957941 | 05/06/2010 |
| Resin composition for multi-functional high anti- corrosive surface-coated steel sheet; and steel sheet shielded by resin | 10-2006-0135679 | 10-775311 | 11/02/2007 |
| Water-solublr sutting oil composition | 10-2005-0026854 | 10-665790 | 12/29/2006 |
| Steel sheet for automobile fuel tank with exceelent anti-corrosion and adhesion; and manufacturing method | 10-2004-0114479 | 10-643355 | 10/31/2006 |
| Multi-functional amide succinic acid and ester derivative for metal working fluid additive | 10-2003-0074870 | 10-532236 | 11/23/2005 |
| Wet temper rolling oil | 10-2001-0073132 | 10-526021 | 10/27/2005 |
| Rolling oil additive; and rolling oil composition content | 10-2002-0067474 | 10-482203 | 03/31/2005 |