Patent Assignment
Reel/Frame 014643/0674
Assignment of Assignor's Interest
Recorded: 2003-07-31
Pages: 2
Assignors
CHOI, KYUNG-II
Executed: 2003-07-15
LEE, SANG-HO
Executed: 2003-07-15
SHIN, CHOUL-WOO
Executed: 2003-07-15
AHN, JUN-SEONG
Executed: 2003-07-15
KIM, BONG-JEA
Executed: 2003-07-15
Assignee
SK CORPORATION
99, SEORIN-DONG JONGRO-KU, SEOUL 110-110, KOREA, REPUBLIC OF
Covered Property
(1)
Catalyst for Selective Catalytic Reduction of Nitrogen Oxides and a Method for Preparing the Same
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 18, 2007
From: SK CORPORATION
To: SK ENERGY CO., LTD.
Reel/Frame 020254/0940 →
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 →