Assignee
SK ENERGY CO LTD
KR·29 granted patents·18 pending applications·206 citations·filing 2004–2019
Top patents by PatentIndex Score
47 records- 0192US7628963B2Small cylindrical reformerSK ENERGY CO LTD·Filed 2005·Granted Dec 8, 2009·22 cites·21 claims
- 0291US7776466B2Structure of layering unit cells for high power lithium polymer batterySK ENERGY CO LTD·Filed 2006·Granted Aug 17, 2010·13 cites·5 claims
- 0390US7883672B2Small cylindrical reformerSK ENERGY CO LTD·Filed 2009·Granted Feb 8, 2011·17 cites·2 claims
- 0487US8003204B2Microporous polyolefin multi layer film and preparing method thereofSK ENERGY CO LTD·Filed 2008·Granted Aug 23, 2011·7 cites·5 claims
- 0584US7431749B2Catalytic filter for removing soot particulates from diesel engine exhaust and method of preparing the sameSK ENERGY CO LTD·Filed 2004·Granted Oct 7, 2008·40 cites·31 claims
- 0683US7880433B2Charge equalization apparatusSK ENERGY CO LTD·Filed 2007·Granted Feb 1, 2011·19 cites·10 claims
- 0783US7732092B2Case for high-power rechargeable lithium batterySK ENERGY CO LTD·Filed 2006·Granted Jun 8, 2010·5 cites·6 claims
- 0880US7939702B2Process for increasing production of light olefins from hydrocarbon feedstock in catalytic crackingSK ENERGY CO LTD·Filed 2006·Granted May 10, 2011·12 cites·11 claims
- 0979US7982429B1Charge equalization apparatusSK ENERGY CO LTD·Filed 2010·Granted Jul 19, 2011·6 cites·11 claims
- 1078US7939965B2Charge of equalization apparatus with parallel connection of secondary windings of multiple transformersSK ENERGY CO LTD·Filed 2007·Granted May 10, 2011·15 cites·16 claims
- 1178US7601663B2Solid acid catalyst for producing light olefins and process using the sameSK ENERGY CO LTD·Filed 2005·Granted Oct 13, 2009·5 cites·14 claims
- 1278US7488700B2Hydrothermally stable microporous molecular sieve catalyst and preparation method thereofSK ENERGY CO LTD·Filed 2006·Granted Feb 10, 2009·5 cites·20 claims
- 1377US7645715B2Bis-arylaryloxy catalytic system for producing ethylene homopolymers or ethylene copolymers with alpha-olefinsSK ENERGY CO LTD·Filed 2007·Granted Jan 12, 2010·4 cites·12 claims
- 1476US8008890B2Charge equalization apparatusSK ENERGY CO LTD·Filed 2008·Granted Aug 30, 2011·14 cites·21 claims
- 1573US7838455B2Method of regeneration of titanium-containing molecular sieve catalystSK ENERGY CO LTD·Filed 2006·Granted Nov 23, 2010·3 cites·9 claims
- 1670US7663013B2Solid acid catalyst for producing light olefins and process using the sameSK ENERGY CO LTD·Filed 2008·Granted Feb 16, 2010·2 cites·9 claims
- 1770US7417004B2Catalyst for dimethyl ether synthesis and its preparation methodsSK ENERGY CO LTD·Filed 2004·Granted Aug 26, 2008·5 cites·17 claims
- 1868US7919424B2Platinum based catalyst for oxidation/reduction reaction and its useSK ENERGY CO LTD·Filed 2009·Granted Apr 5, 2011·2 cites·9 claims
- 1965US8013086B2Method for preparing elastomeric copolymers of ethylene and α-olefinsSK ENERGY CO LTD·Filed 2009·Granted Sep 6, 2011·1 cites·14 claims
- 2065US7718840B2Process for production of light olefins from hydrocarbon feedstockSK ENERGY CO LTD·Filed 2006·Granted May 18, 2010·3 cites·7 claims
- 2161US7833926B2Arylphenoxy catalyst system for producing ethylene homopolymer or copolymers of ethylene and α-olefinsSK ENERGY CO LTD·Filed 2009·Granted Nov 16, 2010·0 cites·7 claims
- 2260US7928173B2Transition metal catalytic systems and methods for preparing ethylene homopolymers or copolymers of ethylene and α-olefins using the sameSK ENERGY CO LTD·Filed 2009·Granted Apr 19, 2011·0 cites·14 claims
- 2360US7615289B2Organic electroluminescent polymer having 9,9-di(fluorenyl)-2,7-fluorenyl unit and organic electroluminescent device manufactured using the sameSK ENERGY CO LTD·Filed 2005·Granted Nov 10, 2009·2 cites·12 claims
- 2460US2010261064A1High power lithium unit cell and high power lithium battery pack having the sameSK ENERGY CO LTD·Filed 2008·Application pending·0 cites
- 2558US7947752B2Method of producing microporous high density polyethylene filmSK ENERGY CO LTD·Filed 2008·Granted May 24, 2011·0 cites·5 claims
- 2656US2021049547A1Method for Gas Station-Based Parcel Delivery Service and System for Implementing SameSK ENERGY CO LTD·Filed 2019·Application pending·0 cites
- 2755US7435761B2Microporous polyethylene film and method of producing the sameSK ENERGY CO LTD·Filed 2004·Granted Oct 14, 2008·3 cites·6 claims
- 2854US2008187828A1Lithium Secondary Battery For Improving Bondability of Tab to Polymer FilmSK ENERGY CO LTD·Filed 2006·Application pending·0 cites
- 2953US2011064929A1Microporous polyolefin film with thermally stable porous layer at high temperatureSK ENERGY CO LTD·Filed 2009·Application pending·0 cites
- 3051US7645844B2Transition metal complexes, catalyst compositions containing the same, and methods for preparing ethylene homopolymers or copolymers of ethylene and α-olefins using the sameSK ENERGY CO LTD·Filed 2009·Granted Jan 12, 2010·0 cites·14 claims
- 3151US2011098426A1TRANSITION METAL CATALYTIC SYSTEMS AND METHODS FOR PREPARING ETHYLENE HOMOPOLYMERS OR COPOLYMERS OF THE ETHYLENE AND a-OLEFINS USING THE SAMESK ENERGY CO LTD·Filed 2010·Application pending·0 cites
- 3250US7847039B2Transition metal complexes, and catalysts compositions for preparing ethylene homopolymers or copolymersSK ENERGY CO LTD·Filed 2009·Granted Dec 7, 2010·0 cites·16 claims
- 3349US7887727B2Preparing method of microporous polyolefin film through effective extrusionSK ENERGY CO LTD·Filed 2007·Granted Feb 15, 2011·1 cites·15 claims
- 3449US2008274878A1Platinum Based Catalyst for Oxidation/Reduction Reaction and Its UseSK ENERGY CO LTD·Filed 2006·Application pending·0 cites
- 3549US2011104539A1Lithium secondary battery and manufacturing method for sameSK ENERGY CO LTD·Filed 2009·Application pending·0 cites
- 3649US2009101183A1Apparatus for cleaning tube fins of air fan cooler for heat exchangerSK ENERGY CO LTD·Filed 2008·Application pending·0 cites
- 3747US2011124090A1Gene involved in the biosyntheses of lycopene, recombinant vector comprising the gene, and transformed microorganism with the recombinant vectorSK ENERGY CO LTD·Filed 2008·Application pending·0 cites
- 3847US2011108780A1Cellulose Acetate FilmSK ENERGY CO LTD·Filed 2009·Application pending·0 cites
- 3946US2011041478A1Exhaust Gas-Aftertreatment Device and Control Method ThereofSK ENERGY CO LTD·Filed 2009·Application pending·0 cites
- 4046US2010233536A1Safety apparatus using high power batterySK ENERGY CO LTD·Filed 2006·Application pending·0 cites
- 4145US7985817B2Homogeneous catalyst system for producing ethylene homopolymer or ethylene copolymers with alpha-olefinsSK ENERGY CO LTD·Filed 2006·Granted Jul 26, 2011·0 cites·6 claims
- 4244US2010277845A1Circuit Apparatus for Protecting a Pre-Charge Resistance Using an Interlock SwitchSK ENERGY CO LTD·Filed 2008·Application pending·0 cites
- 4343US2009050524A1Method for producing feedstocks of high quality lube base oil from unconverted oilSK ENERGY CO LTD·Filed 2008·Application pending·0 cites
- 4443US2008210597A1High Quality Asphalt Containing Pitch and Method of Preparing the SameSK ENERGY CO LTD·Filed 2006·Application pending·0 cites
- 4542US2008197051A1Desulfurizing Agent for Removing Organic Sulfur Compounds, Preparation Method thereof and Method for Removing Organic Sulfur Compounds Using the SameSK ENERGY CO LTD·Filed 2006·Application pending·0 cites
- 4638US2010323201A1Polymeric Thermoplastic Compositions Having Excellent Resistance to Moisture and Oxygen Transmission and Sheet Which are Made of These Polymeric Thermoplastic CompositionsSK ENERGY CO LTD·Filed 2010·Application pending·0 cites
- 4734US2011114901A1Cellulose Acetate FilmSK ENERGY CO LTD·Filed 2009·Application pending·0 cites
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