Patent Assignment
Reel/Frame 025335/0581
Assignment of Assignor's Interest
Recorded: 2010-11-09
Pages: 4
Assignors
YIM, BYOUNGTAK
Executed: 2010-11-02
KIM, YOUNGWOOK
Executed: 2010-11-02
OK, MYUNGAHN
Executed: 2010-11-02
HAHN, JONGSOK
Executed: 2010-11-02
SHIN, DONGCHEOL
Executed: 2010-11-02
Assignee
SK ENERGY CO. LTD.
99 SEORIN-DONG, JONGNO-GU, SEOUL, 110-110, KOREA, REPUBLIC OF
Covered Property
(1)
Ethylene-Propylene-Diene Copolymer Production Method
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Sep 20, 2011
From: SK ENERGY CO., LTD.
To: SK INNOVATION CO., LTD.
Reel/Frame 026936/0858 →
Assignment of Assignor's Interest
Mar 26, 2012
From: SK INNOVATION CO., LTD.
To: SK INNOVATION CO., LTD.; SK GLOBAL CHEMICAL CO., LTD.
Reel/Frame 027926/0980 →
Change of Address
Sep 2, 2022
From: SK GLOBAL CHEMICAL CO., LTD
To: SK GLOBAL CHEMICAL CO., LTD
Reel/Frame 061371/0328 →
Change of Name
Sep 2, 2022
From: SK GLOBAL CHEMICAL CO., LTD
To: SK GEO CENTRIC CO., LTD.
Reel/Frame 061371/0332 →