Inventor

Seung Hwon Lee

Inventor

Daejeon, KR

Overview

11→

Patents

2000–2013

Patent span

Chemistry

Primary field (CPC C)

Patents· 11 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 bonds52%

C08CTreatment or chemical modification of rubbers14%

C08LCompositions of macromolecular compounds14%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium10%

C07CAcyclic or carbocyclic compounds5%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%

PatentTitleYear

8,552,120'Grafted and functionalized high 1,4-trans polybutadiene with aromatic organosulfur compound'2013 8,198,378'Aromatic organosulfur functionalized 1,4-cis polybutadiene'2012 8,133,835'Molecular weight controllable, high 1,4-trans polybutadiene catalyst system'2012 7,247,695'High 1,4-cis polybutadiene-polyurethane copolymer and preparation method thereof'2007 6,908,975'Method for preparing high 1,4-cis polybutadiene having controlled cold flow'2005 6,586,542'Process for controlling degree of branch of high 1,4-cis polybutadiene'2003 6,562,917'Method for preparing polybutadiene having controlled molecular weight and high 1,4-cis content'2003 6,506,865'Monomeric neodymium carboxylate and its use in polymerization of conjugated diene'2003 6,482,930'Monomeric neodymium carboxylate and its use in polymerization of conjugated diene'2002 6,451,934'Process for preparation of high 1,4-CIS polybutadiene'2002 6,136,931'Process for preparing polybutadiene using catalyst with high activity'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2013Patents assigned to KOREA KUMHO PETROCHEM CO LTD (10)· patent assignee history

2000–2003Based in Taejon, KR· patent location history

2003Based in Taejeon, KR· patent location history

2005–2013Based in Daejeon, KR· patent location history

2012–2013Patents assigned to KWAG GWANG HOON (3)· patent assignee history

2012–2013Patents assigned to LEE SEUNG HWON (3)· patent assignee history

2012–2013Patents assigned to CHOI HYUNG KYU (2)· patent assignee history

2012–2013Patents assigned to KIM HOOCHAE (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KOREA KUMHO PETROCHEM CO LTD	10	2000–2013
KWAG GWANG HOON	3	2012–2013
LEE SEUNG HWONself	3	2012–2013
CHOI HYUNG KYU	2	2012–2013
KIM HOOCHAE	2	2012–2013

Locations

Location	Patents	Span
Daejeon, KR	5	2005–2013
Taejon, KR	4	2000–2003
Taejeon, KR	2	2003