메뉴바로가기 본문바로가기

 

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