Patent Assignment
Reel/Frame 021693/0563
Assignment of Assignor's Interest
Recorded: 2008-10-16
Pages: 3
Assignors
OH, SEUNG HOON
Executed: 2008-09-24
LEE, SEONG JUN
Executed: 2008-09-24
KIM, TAE JIN
Executed: 2008-09-22
CHOI, AHN SEOP
Executed: 2008-09-19
CHUNG, YOUNG MIN
Executed: 2008-09-22
SONG, IN KYU
Executed: 2008-09-19
JUNG, JI CHUL
Executed: 2008-09-19
KIM, HEE SOO
Executed: 2008-09-19
Assignee
SK ENERGY CO., LTD.
99, SEORIN-DONG, JONGRO-GU, SEOUL 110-110, KOREA, DEMOCRATIC PEOPLE'S REPUBLIC OF
Covered Property
(1)
Bismuth Molybdate-Based 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.
Change of Name
Jul 12, 2011
From: SK ENERGY CO., LTD
To: SK INNOVATION CO., LTD.
Reel/Frame 026576/0776 →
Assignment of Assignor's Interest
Jul 13, 2011
From: SK INNOVATION CO., LTD.
To: SK GLOBAL CHEMICAL CO., LTD.
Reel/Frame 026584/0882 →
Corrective Assignment to Correct the Receiving Party Data Previously Recorded on Reel 026584 Frame 0882. Assignor(S) Hereby Confirms the Receiving Party Data Should Be 50% to Sk Innovation Co., Ltd. and 50% to Sk Global Chemical Co., Ltd..
Aug 22, 2011
From: SK INNOVATION CO., LTD.
To: SK GLOBAL CHEMICAL CO., LTD. (50% ASSIGNMENT); SK INNOVATION CO., LTD. (50 % ASSIGNMENT)
Reel/Frame 026787/0396 →
Corrective Assignment to Correct the Assignee Address Previously Recorded on Reel 026576 Frame 0776. Assignor(S) Hereby Confirms the Change of Name.
May 24, 2017
From: SK ENERGY CO., LTD.
To: SK INNOVATION CO., LTD.
Reel/Frame 042553/0926 →
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 →