Patent Assignment
Reel/Frame 016981/0722
Assignment of Assignor's Interest
Recorded: 2005-09-12
Pages: 4
Assignors
CHOI, SUN
Executed: 2005-08-02
OH, SEUNG H.
Executed: 2005-08-02
SUNG, KYOUNG H.
Executed: 2005-08-02
LEE, JONG H.
Executed: 2005-08-02
KANG, SIN C.
Executed: 2005-08-02
KIM, YONG S.
Executed: 2005-08-02
LIM, BYEUNG S.
Executed: 2005-08-02
CHOI, AHN S.
Executed: 2005-08-02
CHANG, BYOUNG M.
Executed: 2005-08-02
Assignee
SK CORPORATION
99, SEORIN-DONG, JONGRO-GU, SEOUL, 110-110, KOREA, REPUBLIC OF
Covered Property
(1)
Process for Increasing Production of Light Olefin Hydrocarbon from Hydrocarbon Feedstock
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 14, 2007
From: SK CORPORATION
To: SK ENERGY CO., LTD
Reel/Frame 020249/0017 →
Change of Name
Jul 14, 2011
From: SK ENERGY CO., LTD.
To: SK INNOVATION CO., LTD.
Reel/Frame 026619/0330 →
Corrective Assignment to Correct the Incorrect Patent Number 7448700 and Replace It with 7488700 Previously Recorded on Reel 026619 Frame 0330. Assignor(S) Hereby Confirms the Change of Name.
Apr 11, 2016
From: SK ENERGY CO., LTD.
To: SK INNOVATION CO., LTD.
Reel/Frame 038406/0201 →