Assignee
SK CORP
US57 patents
Top patents by PatentIndex Score
US6103759AAug 15, 2000
Halogen substituted carbamate compounds from 2-phenyl-1, 2-ethanediol
SK CORP85 citations97
US6140532AOct 31, 2000
O-carbamoyl-phenylalaninol having substituent at benzene ring, its pharmaceutically useful salts and method for preparing the same
SK CORP95 citations96
US6627211B1Sep 30, 2003
Transnasal anticonvulsive compositions and modulated process
SK CORP43 citations94
US6248230B1Jun 19, 2001
Method for manufacturing cleaner fuels
SK CORP125 citations94
US6635792B2Oct 21, 2003
Process for producing aromatic hydrocarbon compounds and liquefied petroleum gas from hydrocarbon feedstock
SK CORP66 citations93
US6602818B2Aug 5, 2003
Method for preparing a catalyst for selective catalytic reduction of nitrogen oxides
SK CORP37 citations92
US6803340B2Oct 12, 2004
Catalyst for removing dioxin and preparation method thereof
SK CORP19 citations91
US7132112B2Nov 7, 2006
Transnasal anticonvulsive compositions and modulated process
SK CORP23 citations90
US6867340B2Mar 15, 2005
Disproportionation/transalkylation of aromatic hydrocarbons
SK CORP40 citations90
US6171566B1Jan 9, 2001
Selective catalytic reduction for the removal of nitrogen oxides and catalyst body thereof
SK CORP44 citations90
US7860645B2Dec 28, 2010
System and method for providing telematics service
SK CORP53 citations89
US7301063B2Nov 27, 2007
Process for increasing production of light olefin hydrocarbon from hydrocarbon feedstock
SK CORP23 citations89
US6485578B1Nov 26, 2002
Chemical cleaning process for removing fouling
SK CORP30 citations89
US6162644ADec 19, 2000
Method for controlling and optimizing xylene isomer separation and isomerization process using near infrared analyzer system and apparatus for carrying out same
SK CORP51 citations88
US6079358AJun 27, 2000
Apparatus for forming thin film
SK CORP32 citations87
US6896709B1May 24, 2005
Miniature fuel reformer and system using metal thin film
SK CORP38 citations85
US7297831B2Nov 20, 2007
Process of preparing aromatic hydrocarbons and liquefied petroleum gas from hydrocarbon mixture
SK CORP18 citations82
US7304195B2Dec 4, 2007
Process for increasing production of benzene from hydrocarbon mixture
SK CORP11 citations81
US5990322ANov 23, 1999
Alpha-tocopherol cyclopropylates, the new vitamin E derivatives and method for producing the same
SK CORP17 citations75
US6127412AOct 3, 2000
Halogen substituted carbamate compounds from 2-phenyl-1,2-ethanediol
SK CORP8 citations74
US6319975B1Nov 20, 2001
Composition for air permeable film of high processability and permeability and production of air permeable film
SK CORP8 citations73
US6946020B2Sep 20, 2005
Hydrogen purification module
SK CORP11 citations71
US6852361B2Feb 8, 2005
Method of on-line coating of a film on the inner walls of the reaction tubes in a hydrocarbon pyrolysis reactor
SK CORP6 citations71
US6514563B1Feb 4, 2003
Method of on-line coating film on the inner walls of the reaction tubes in a hydrocarbon pyrolysis reactor
SK CORP6 citations71
US6187109B1Feb 13, 2001
Cleaning composition for removing fouling and a method for using the same
SK CORP13 citations71
US6790344B1Sep 14, 2004
Liquid-phase adsorption process for removing and concentrating heteroatom compounds in hydrocarbons
SK CORP8 citations69
US6222051B1Apr 24, 2001
Alpha-tocopherol 4-aminobenzoic acid ester compounds and method for preparing the same
SK CORP9 citations68
US6991914B2Jan 31, 2006
Silent marker for an oil product and associated detection method
SK CORP7 citations66
US6673231B2Jan 6, 2004
Method for removing sludge in crude oil tank and recovering oil therefrom
SK CORP11 citations64
US5955471ASep 21, 1999
Tetrahydroisoquinolinealkanol derivatives and pharmaceutical compositions containing same
SK CORP3 citations63
US7078537B2Jul 18, 2006
Phenylalkyl diamine and amide analogs
SK CORP2 citations62
US7189289B2Mar 13, 2007
Cleaning agent and method for cleaning heater tubes
SK CORP3 citations61
US6673740B2Jan 6, 2004
Method for preparing a catalyst for reduction of nitrogen oxides
SK CORP5 citations61
US6395947B1May 28, 2002
Method for preparing diarylethane
SK CORP3 citations61
US7589042B2Sep 15, 2009
Arylphenoxy catalyst system for producing ethylene homopolymer or copolymers of ethylene and α-olefins
SK CORP3 citations59
US6800585B2Oct 5, 2004
Catalyst for selective catalytic reduction of nitrogen oxides and a method for preparing the same
SK CORP3 citations59
US6509504B1Jan 21, 2003
Method for the production of serinol
SK CORP4 citations58
US6133374AOct 17, 2000
Polypropylene resin compositions
SK CORP4 citations58
US6770659B2Aug 3, 2004
Benzoyl piperidine compounds
SK CORP3 citations57
US6156401ADec 5, 2000
Oxygen barrier resin composition and product containing the same
SK CORP5 citations56
US6147266ANov 14, 2000
Method for producing acetylene alcohol compounds using continuous process
SK CORP5 citations53
US7361328B2Apr 22, 2008
Method of preparing ZSM-5 using variable temperature without organic template
SK CORP6 citations51
US6783848B2Aug 31, 2004
Matte biaxially oriented polypropylene film with improved matte property and processability
SK CORP1 citations51
US7332531B2Feb 19, 2008
Microporous high density polyethylene film
SK CORP1 citations49
US6870073B2Mar 22, 2005
Process for separating normal paraffins from hydrocarbons and applications for the separated hydrocarbons
SK CORP1 citations49
US6441200B1Aug 27, 2002
Method for preparing DL-α-tocopherol with a high yield and high purity
SK CORP1 citations49
US6429319B1Aug 6, 2002
Continuous process for the production of optically pure (S)-beta-hydroxy-gamma-butyrolactone
SK CORP1 citations49
US7214793B2May 8, 2007
Method of preparing 10H-dibenzo[b,f][11,4]thiazepin-11-one
SK CORP1 citations46
US6384245B1May 7, 2002
Method for preparing DL-α-tocopherol with high yield
SK CORP0 citations46
US6380174B1Apr 30, 2002
Slime-removing composition for paper manufacture and method of controlling slime using the same
SK CORP4 citations46
Showing the top 50 of 57 patents by PatentIndex Score.