Patent Assignment
Reel/Frame 024493/0090
Assignment of Assignor's Interest
Recorded: 2010-06-07
Pages: 4
Assignors
CHUNG, YOUNG MIN
Executed: 2010-05-11
KWON, YONG TAK
Executed: 2010-05-12
KIM, TAE JIN
Executed: 2010-05-12
LEE, SEONG JUN
Executed: 2010-05-12
KO, MIN SU
Executed: 2010-05-12
OH, SEUNG HOON
Executed: 2010-05-14
KIM, YONG SEUNG
Executed: 2010-05-12
SONG, IN KYU
Executed: 2010-05-10
Assignee
SK ENERGY CO., LTD.
99 SEORIN-DONG, JONGRO-GU, SEOUL, 110-110, KOREA, DEMOCRATIC PEOPLE'S REPUBLIC OF
Covered Property
(1)
Mixed Manganese Ferrite Catalysts, Method of Preparing Thereof and Method of Preparing 1,3-Butadiene Using Thereof
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
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.
Jun 16, 2010
From: CHUNG, YOUNG MIN; KWON, YONG TAK; KIM, TAE JIN; LEE, SEONG JUN
To: SK ENERGY CO., LTD.
Reel/Frame 024543/0359 →
Change of Name
Jul 13, 2011
From: SK ENERGY CO., LTD.
To: SK INNOVATION CO., LTD.
Reel/Frame 026583/0336 →
Assignment of Assignor's Interest
Jul 14, 2011
From: SK INNOVATION CO., LTD.
To: SK GLOBAL CHEMICAL CO., LTD. (FIFTY PERCENT OWNER); SK INNOVATION CO., LTD. (FIFTY PERCENT OWNER)
Reel/Frame 026589/0086 →
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.
Jul 26, 2011
From: SK INNOVATION CO., LTD.
To: SK GLOBAL CHEMICAL CO., LTD. (FIFTY PERCENT OWNER); SK INNOVATION CO., LTD. (FIFTY PERCENT OWNER)
Reel/Frame 026653/0544 →
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 →