Inventor

Sung-Cheol Yoon

Inventor

Daejeon, KR

Overview

2002–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 53 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C08Fprimary

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds28%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds14%

C08LCompositions of macromolecular compounds9%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

C09KMaterials for miscellaneous applications, not provided for elsewhere5%

C08JWorking-up4%

H10KOrganic electric solid-state devices3%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution2%

PatentTitleYear

11,125,529Bullet decelerator for toy gun2021 9,650,460'Elastic diene terpolymer and preparation method thereof'2017 9,637,579'Elastic terpolymer including diene group and preparation method thereof'2017 9,611,349'Method of preparing elastic terpolymer'2017 9,493,593'Elastic diene terpolymer and preparation method thereof'2016 9,478,756'Organometallic compound, and organic light-emitting diode using same'2016 9,458,276'Elastic terpolymer and preparation method thereof'2016 9,428,600'Elastic diene terpolymer and preparation method thereof'2016 9,415,382'Polylactide resin and preparation method thereof'2016 9,410,008'Elastic terpolymer including diene group and preparation method thereof'2016 9,382,360'Elastic terpolymer and preparation method thereof'2016 9,376,522'Elastic terpolymer including diene group and preparation method thereof'2016 9,115,248'Polylactide resin having excellent heat resistance and preparation method thereof'2015 9,074,042'Packaging film including a lactide copolymer'2015 9,062,147'Lactide copolymer, a preparation method thereof, and a resin composition including the same'2015 9,040,740'Method for preparing alkyl lactate and a method for preparing lactamide using the same'2015 8,901,415'Conducting polymer to which pyrene compounds are introduced, and organic solar cell using same'2014 8,779,083'Polylactide resin, method of preparing the same, and polylactide resin composition comprising the same'2014 8,759,477'Polysiloxane-polylactide block copolymer and preparation method thereof'2014 8,722,845'Polylactide resin having excellent heat resistance and preparation method thereof'2014 8,642,375'Preparation method of organic photovoltaic cell\'s photoactive layer using aerosol jet printing'2014 8,519,068'Conductive polymer containing carbazole, and organic photovoltaic device using same'2013 8,293,674'Catalyst system for preparing cyclic olefin addition polymer, cyclic olefin addition polymer prepared by using the catalyst system and method for preparing the same'2012 8,236,909'Method for preparing polymer by precipitation polymerization'2012 7,989,570'Catalyst system for preparing cyclic olefin addition polymer, cyclic olefin addition polymer prepared by using the catalyst system and method for preparing the same'2011 7,989,571'Method for producing norbornene monomer composition, norbornene polymer prepared therefrom, optical film comprising the norbornene polymer, and method for producing the norbornene polymer'2011 7,964,680'Method for polymerizing cyclic olefin having polar functional group, olefin polymer produced thereby, optical anisotropic film comprising the same, and catalyst composition for polymerizing the cyclic olefin'2011 7,947,803'Apparatus and method for recovering polymer'2011 7,897,720'Method for removing catalyst residues from polymer solution and polymers purified by the method'2011 7,868,105'Polymerization methods using the catalysts'2011 7,863,214'Catalysts for polymerizing cyclic olefin'2011 7,814,713'Catalyst system for polymerizing cyclic olefin having polar functional group, polymerizing method using the catalyst system, olefin polymer produced by the method and optical anisotropic film comprising the olefin polymer'2010 7,786,230'Method for polymerizing cycloolefin polymer containing polar functional groups and electronics devices employing the polymerized cycloolefins'2010 7,786,231'Method for polymerizing cycloolefin polymer containing polar functional groups and electronic devices employing the polymerized cycloolefins'2010 7,738,063'Vertically aligned liquid crystal display using polynorbornene based polymer film'2010 7,718,744'Method for polymerizing cycloolefin polymer containing polar functional groups and electronic devices employing the polymerized cycloolefins'2010 7,648,937'Catalyst system for polymerizing cyclic olefin having polar functional group, polymerizing method using the catalyst system, olefin polymer produced by the method and optical anisotropic film comprising the olefin polymer'2010 7,595,369'Method of polymerizing cyclic olefins and vinyl olefins, copolymer produced by the method and optical anisotropic film comprising the same'2009 7,524,542'Negative C-plate type optical anisotropic film comprising poly cycloolefin and method for preparing the same'2009 7,507,426'Unified polarizing plate and method for preparing the same'2009 7,442,752'Nobonene-ester based addition polymer and method for preparing the same'2008 7,312,285'Method for preparing norbornene based addition polymer containing ester or acetyl functional group'2007 7,160,965'Cyclopentadienyl-containing low-valent early transition metal olefin polymerization catalysts'2007 7,119,158'Cyclopentadienyl-containing low-valent early transition metal olefin polymerization catalysts'2006 7,009,012'Supported catalyst for producing syndiotactic styrenic polymer'2006 6,890,973'Syndiotactic polystyrene nanocomposite and manufacturing method thereof'2005 6,828,270'Supported catalyst for producing syndiotactic styrenic polymer with high productivity and significantly reduced reactor fouling'2004 6,780,938'Reactor alloy of syndiotactic polystyrene having high impact resistance'2004 6,747,112'Cyclopentadienyl-containing low-valent early transition metal olefin polymerization catalysts'2004 6,670,299'Cyclopentadienyl-containing low-valent early transition metal olefin polymerization catalysts'2003 6,544,922'Cyclopentadienyl-containing low-valent early transition metal olefin polymerization catalysts'2003 6,500,906'Olefin polymerization chelate catalyst and olefin polymerization method using the same'2002 6,369,173'Process for preparing syndiotactic styrenic polymers by recycling the products'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2021Based in Seoul, KR· patent location history

2003–2007Patents assigned to UNIV NORTHWESTERN (5)· patent assignee history

2003–2007Based in Evanston, IL, US· patent location history

2007–2017Patents assigned to LG CHEMICAL LTD (36)· patent assignee history

2007–2017Based in Daejeon, KR· patent location history

2012–2015Patents assigned to YOON SUNG-CHEOL (5)· patent assignee history

2012–2015Patents assigned to PARK SEUNG-YOUNG (4)· patent assignee history

2013–2016Patents assigned to LEE CHANG JIN (4)· patent assignee history

2013–2016Based in Gyeonggi-do, KR· patent location history

2014Based in Yongin-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LG CHEMICAL LTD	36	2007–2017
UNIV NORTHWESTERN	5	2003–2007
YOON SUNG-CHEOLself	5	2012–2015
LEE CHANG JIN	4	2013–2016
PARK SEUNG-YOUNG	4	2012–2015

Locations

Location	Patents	Span
Daejeon, KR	36	2007–2017
Seoul, KR	6	2002–2021
Evanston, Illinois, US	5	2003–2007
Gyeonggi-do, KR	3	2013–2016
Yongin-si, KR	1	2014