Patent Assignment
Reel/Frame 033974/0895
Assignment of Assignor's Interest
Recorded: 2014-10-17
Pages: 4
Assignors
LEE, YOON KYUNG
Executed: 2014-08-21
LEE, SEUNG WOO
Executed: 2014-08-21
CHOI, JAE SUK
Executed: 2014-08-21
KIM, TAE JIN
Executed: 2014-08-21
KIM, DO WOAN
Executed: 2014-08-21
LIM, SEON JU
Executed: 2014-08-21
Assignees
SK INNOVATION CO., LTD.
(SEORIN-DONG, SK SEORIN-DONG BLDG.) 26, JONGRO, JONGRO-GU, SEOUL 110-110, KOREA, DEMOCRATIC PEOPLE'S REPUBLIC OF
SK LUBRICANTS CO., LTD.
(SEORIN-DONG) 26, JONGRO, JONGRO-GU, SEOUL 110-110, KOREA, REPUBLIC OF
Covered Property
(1)
Activated Eu-2 Zeolite and Use Thereof
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Jan 23, 2023
From: SK LUBRICANTS CO., LTD.
To: SK ENMOVE CO., LTD.
Reel/Frame 062455/0452 →
Merger
Jan 21, 2026
From: SK ENMOVE CO., LTD.
To: SK ON CO., LTD.
Reel/Frame 074882/0131 →
Corrective Assignment to Correct the Receiving Party or Assignee Citizenship Previously Recorded on Reel 33974 Frame 895. Assignor(S) Hereby Confirms the Assignment.
Apr 8, 2026
From: LEE, YOON KYUNG; LEE, SEUNG WOO; CHOI, JAE SUK; LIM, TAE JIN
To: SK INNOVATION CO., LTD.; SK LUBRICANTS CO., LTD.
Reel/Frame 075370/0979 →