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Patent Assignment Abstract of Title
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Total Assignments: 7
Patent #:
8674156
Issue Dt:
03/18/2014
Application #:
12746558
Filing Dt:
06/07/2010
Publication #:
20100280300
Pub Dt:
11/04/2010
Inventors:
Young Min Chung, Yong Tak Kwon, Tae Jin Kim, Seong Jun Lee, Min Su Ko, Seung Hoon Oh et al
Title:
MIXED MANGANESE FERRITE CATALYSTS, METHOD OF PREPARING THEREOF AND METHOD OF PREPARING 1,3-BUTADIENE USING THEREOF
Assignment: 1
Reel/Frame:
024493/0090Recorded: 06/07/2010Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
CHUNG, YOUNG MIN
Exec Dt:
05/11/2010
KWON, YONG TAK
Exec Dt:
05/12/2010
KIM, TAE JIN
Exec Dt:
05/12/2010
LEE, SEONG JUN
Exec Dt:
05/12/2010
KO, MIN SU
Exec Dt:
05/12/2010
OH, SEUNG HOON
Exec Dt:
05/14/2010
KIM, YONG SEUNG
Exec Dt:
05/12/2010
SONG, IN KYU
Exec Dt:
05/10/2010
Assignee:
SK ENERGY CO., LTD.
99 SEORIN-DONG, JONGRO-GU
SEOUL, KOREA, DEMOCRATIC PEOPLE'S REPUBLIC OF 110-110
Correspondent:
IP GROUP OF DLA PIPER LLP (US)
ONE LIBERTY PLACE
1650 MARKET ST, SUITE 4900
PHILADELPHIA, PA 19103
Assignment: 2
Reel/Frame:
024543/0359Recorded: 06/16/2010Pages: 6
Conveyance:
CORRECTIVE ASSIGNMENT TO CORRECT THE COUNTRY NAME OF THE OFFICE ADDRESS OF THE ASSIGNEE (SK ENERGY CO., LTD.) PREVIOUSLY RECORDED ON REEL 024493 FRAME 0090. ASSIGNOR(S) HEREBY CONFIRMS THE COUNTRY OF THE OFFICE ADDRESS OF THE ASSIGNEE (SK ENERGY CO., LTD.) IS THE REPUBLIC OF KOREA.
Assignors:
CHUNG, YOUNG MIN
Exec Dt:
05/11/2010
KWON, YONG TAK
Exec Dt:
05/12/2010
KIM, TAE JIN
Exec Dt:
05/12/2010
LEE, SEONG JUN
Exec Dt:
05/12/2010
KO, MIN SU
Exec Dt:
05/12/2010
OH, SEUNG HOON
Exec Dt:
05/14/2010
KIM, YONG SEUNG
Exec Dt:
05/12/2010
SONG, IN KYU
Exec Dt:
05/10/2010
Assignee:
SK ENERGY CO., LTD.
99 SEORIN-DONG, JONGRO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
Correspondent:
PAUL A. TAUFER, DLA PIPER LLP (US)
1650 MARKET STREET, SUITE 4900
ONE LIBERTY PLACE
PHILADELPHIA, PA 19103
Assignment: 3
Reel/Frame:
026583/0336Recorded: 07/13/2011Pages: 11
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
SK ENERGY CO., LTD.
Exec Dt:
01/01/2011
Assignee:
SK INNOVATION CO., LTD.
99, SEORIN-DONG, JONGRO-GU
SEOUL, KOREA, REPUBLIC OF
Correspondent:
PAUL A. TAUFER, DLA PIPER LLP (US)
1650 MARKET STREET. SUITE 4900
ONE LIBERTY PLACE
PHILADELPHIA, PA 19103
Assignment: 4
Reel/Frame:
026589/0086Recorded: 07/14/2011Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
SK INNOVATION CO., LTD.
Exec Dt:
05/13/2011
Assignees:
SK GLOBAL CHEMICAL CO., LTD. (FIFTY PERCENT OWNER)
99, SEORIN-DONG, JONGRO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
SK INNOVATION CO., LTD. (FIFTY PERCENT OWNER)
99 SEORIN-DONG, JONGRO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
Correspondent:
PAUL A. TAUFER, DLA PIPER LLP (US)
1650 MARKET STREET, SUITE 4900
ONE LIBERTY PLACE
PHILADELPHIA, PA 19103
Assignment: 5
Reel/Frame:
026653/0544Recorded: 07/26/2011Pages: 6
Conveyance:
CORRECTIVE ASSIGNMENT TO CORRECT THE US APPLICATION SERIAL NUMBER UNDER WHICH THE ASSIGNMENT WAS PREVIOUSLY RECORDED ON REEL 026589 FRAME 0086. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT SHOULD HAVE BEEN RECORDED ON US APPLICATION NO. 12/746,558, AS NOTED ON THE ASSIGNMENT DOCUMENT.
Assignor:
SK INNOVATION CO., LTD.
Exec Dt:
05/13/2011
Assignees:
SK GLOBAL CHEMICAL CO., LTD. (FIFTY PERCENT OWNER)
99, SEORIN-DONG, JONGRO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
SK INNOVATION CO., LTD. (FIFTY PERCENT OWNER)
99, SEORIN-DONG, JONGRO-GU
SEOUL, KOREA, REPUBLIC OF 110-110
Correspondent:
PAUL A. TAUFER
1650 MARKET STREET, SUITE 4900
ONE LIBERTY PLACE
PHILADELPHIA, PA 19103
Assignment: 6
Reel/Frame:
061371/0328Recorded: 09/02/2022Pages: 4
Conveyance:
CHANGE OF ADDRESS
Assignor:
SK GLOBAL CHEMICAL CO., LTD
Exec Dt:
07/01/2013
Assignee:
SK GLOBAL CHEMICAL CO., LTD
26, JONG-RO, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF
Correspondent:
CPA GLOBAL LIMITED
LIBERATION HOUSE
CASTLE STREET
ST HELIER, JE1 1BL JERSEY
Assignment: 7
Reel/Frame:
061371/0332Recorded: 09/02/2022Pages: 6
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
SK GLOBAL CHEMICAL CO., LTD
Exec Dt:
09/01/2021
Assignee:
SK GEO CENTRIC CO., LTD.
26, JONG-RO, JONGNO-GU
SEOUL, KOREA, REPUBLIC OF
Correspondent:
CPA GLOBAL LIMITED
LIBERATION HOUSE
CASTLE STREET
ST HELIER, JE1 1BL JERSEY

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