Hahn; Jong Sok

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hahn; Jong Sok.The latest application filed is for "cyclopenta[b]fluorenyl transition metal compound, catalyst composition containing the same, and method of preparing ethylene hom".

Company Profile

3.22.21

Hahn; Jong Sok - Daejeon KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Cyclopenta[b]fluorenyl transition metal compound, catalyst composition containing the same, and method of preparing ethylene homopolymer or copolymer of ethylene and alpha-olefin using the same Grant 10,487,163 - Shin , et al. Nov	2019-11-26
Cyclopenta[b]Fluorenyl Transition Metal Compound, Catalyst Composition Containing the Same, and Method of Preparing Ethylene Hom App 20190202949 - Shin; Dong Cheol ; et al.	2019-07-04
Cyclopenta[b]fluorenyl transition metal compound, catalyst composition containing the same, and method of preparing ethylene homopolymer or copolymer of ethylene and alpha-olefin using the same Grant 10,323,111 - Shin , et al.	2019-06-18
Cyclopenta[b]Fluorenyl Transition Metal Compound, Catalyst Composition Containing the Same, and Method of Preparing Ethylene Homopolymer or Copolymer of Ethylene and Alpha-Olefin Using the Same App 20180094090 - Shin; Dong Cheol ; et al.	2018-04-05
Cyclopenta[b]fluorenyl transition metal compound, catalyst composition containing the same, and method of preparing ethylene homopolymer or copolymer of ethylene and alpha-olefin using the same Grant 9,926,394 - Shin , et al. March 27, 2	2018-03-27
Hybrid supported metallocene catalyst, method for preparing the same, and process for preparing polyolefin using the same Grant 9,394,388 - Lee , et al. July 19, 2	2016-07-19
Cyclopenta[b]Fluorenyl Transition Metal Compound, Catalyst Composition Containing the Same, and Method of Preparing Ethylene Homopolymer or Copolymer of Ethylene and alpha-Olefin Using the Same App 20150299353 - Shin; Dong Cheol ; et al.	2015-10-22
Cyclopenta[b]fluorenyl transition metal compound, catalyst composition containing the same, and method of preparing ethylene homopolymer or copolymer of ethylene and .alpha.-olefin using the same Grant 9,120,884 - Shin , et al. September 1, 2	2015-09-01
Hybrid Supported Metallocene Catalyst, Method for Preparing the Same, and Process for Preparing Polyolefin Using the Same App 20150025204 - Lee; Ho Seong ; et al.	2015-01-22
Method of preparing ethylene-.alpha.-olefin-diene copolymer Grant 8,921,499 - Shin , et al. December 30, 2	2014-12-30
Method of Preparing Ethylene-alpha-Olefin-Diene Copolymer App 20140179885 - Shin; Dong Cheol ; et al.	2014-06-26
Transition metal catalytic systems and methods for preparing ethylene homopolymers or copolymers of ethylene and olefins using the same Grant 8,742,043 - Ok , et al. June 3, 2	2014-06-03
Ethylene copolymer having multiple pitch in molecular weight distribution and the method of preparing the same Grant 8,674,026 - Shim , et al. March 18, 2	2014-03-18
Cyclopenta[b]Fluorenyl Transition Metal Compound, Catalyst Composition Containing the Same, and Method of Preparing Ethylene Homopolymer or Copolymer of Ethylene and alpha-Olefin Using the Same App 20130225834 - Shin; Dong Cheol ; et al.	2013-08-29
Ethylene alpha olefin polymer formed by use of metallocene catalyst Grant 8,436,113 - Jung , et al. May 7, 2	2013-05-07
Transition metal complexes, catalysts composition containing the same, and process for preparing ethylene homopolymers or copolymers of ethylene and alpha-olefins using the same Grant 8,344,081 - Hahn , et al. January 1, 2	2013-01-01
Ethylene Copolymer Having Multiple Pitch In Molecular Weight Distribution And The Method Of Preparing The Same App 20120141702 - Shim; Choon Sik ; et al.	2012-06-07
Ethylene copolymer having multiple pitch molecular weight distribution and the method of preparing the same Grant 8,076,428 - Shim , et al. December 13, 2	2011-12-13
Homogeneous catalyst system for producing ethylene homopolymer or ethylene copolymers with alpha-olefins Grant 7,985,817 - Woo , et al. July 26, 2	2011-07-26
Ethylene Alpha Olefin Polymer Formed By Use Of Metallocene Catalyst App 20110152475 - JUNG; Hwan Kyu ; et al.	2011-06-23
Transition metal complexes, and catalysts compositions for preparing ethylene homopolymers or copolymers Grant 7,847,039 - Shin , et al. December 7, 2	2010-12-07
Transition Metal Complexes, Catalysts Composition Containing The Same, And Process For Preparing Ethylene Homopolymers Or Copolymers Of Ethylene And Alpha-olefins Using The Same App 20100298512 - Hahn; Jong-Sok ; et al.	2010-11-25
Arylphenoxy catalyst system for producing ethylene homopolymer or copolymers of ethylene and .alpha.-olefins Grant 7,833,926 - Woo , et al. November 16, 2	2010-11-16
Ethylene Copolymer Having Multiple Pitch Molecular Weight Distribution And The Method Of Preparing The Same App 20100234545 - Shim; Choon Sik ; et al.	2010-09-16
Transition Metal Catalytic Systems And Methods For Preparing Ethylene Homopolymers Or Copolymers Of Ethylene And Olefins Using The Same App 20100048840 - Ok; Myung Ahn ; et al.	2010-02-25
Bis-arylaryloxy catalytic system for producing ethylene homopolymers or ethylene copolymers with alpha-olefins Grant 7,645,715 - Ok , et al. January 12, 2	2010-01-12
Transition metal complexes, catalyst compositions containing the same, and methods for preparing ethylene homopolymers or copolymers of ethylene and .alpha.-olefins using the same Grant 7,645,844 - Shin , et al. January 12, 2	2010-01-12
ARYLPHENOXY CATALYST SYSTEM FOR PRODUCING ETHYLENE HOMOPOLYMER OR COPOLYMERS OF ETHYLENE AND a-OLEFINS App 20090326175 - Woo; Tae Woo ; et al.	2009-12-31
Arylphenoxy catalyst system for producing ethylene homopolymer or copolymers of ethylene and .alpha.-olefins Grant 7,589,042 - Woo , et al. September 15, 2	2009-09-15
Transition metal complexes, catalyst compositions containing the same, and methods for preparing ethylene homopolymers or copolymers of ethylene and alpha-olefins using the same App 20090176949 - Shin; Dong-Cheol ; et al.	2009-07-09
Transition metal complexes, and catalysts compositions for preparing ethylene homopolymers or copolymers App 20090176948 - Shin; Dong-Cheol ; et al.	2009-07-09
Homogeneous Catalyst System For Producing Ethylene Homopolymer or Ethylene Copolymers With Alpha-Olefins App 20080262174 - Woo; Tae Woo ; et al.	2008-10-23
Bis-arylaryloxy Catalytic System For Producing Ethylene Homopolymers Or Ethylene Copolymers With Alpha-olefins App 20070249490 - Ok; Myung-Ahn ; et al.	2007-10-25
Method for preparing ethylene polymerization catalysts App 20070142220 - Ok; Myung Ahn ; et al.	2007-06-21
ARYLPHENOXY CATALYST SYSTEM FOR PRODUCING ETHYLENE HOMOPOLYMER OR COPOLYMERS OF ETHYLENE AND a-OLEFINS App 20070135297 - Woo; Tae-Woo ; et al.	2007-06-14
Arylphenoxy catalyst system for producing ethylene homopolymer or copolymers of ethylene and alpha-olefins App 20070004586 - Woo; Tae Woo ; et al.	2007-01-04

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.