Patent Assignment
Reel/Frame 074525/0828
Merger
Recorded: 2026-01-23
Pages: 12
Assignor
SK ENMOVE CO., LTD.
Executed: 2025-11-03
Assignee
SK ON CO., LTD.
51, JONG-RO, JONGNO-GU, SEOUL, 03161, KOREA, REPUBLIC OF
Covered Properties
(4)
Process for Reducing Haze in Heavy Base Oil and Hydroisomerization Catalyst System Having Reduced Haze
Composition for Manufacturing Secondary Battery Separator and Secondary Battery Including the Same
Hydrofinishing Catalyst and Method for Producing Base Oil Using Same
Hierarchical Zeolites and Preparation Method Therefor
Related Assignments
(8)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 25, 2017
From: KIM, DO KYOUNG; KIM, DO WOAN; LEE, SEUNG WOO; LEE, YOON KYUNG
To: SK INNOVATION CO., LTD.; SK LUBRICANTS CO., LTD.
Reel/Frame 042138/0437 →
Assignment of Assignor's Interest
Jun 17, 2019
From: LEE, HYEUNG-JIN; JUNG, HWAN-KYU; KWAK, HYO-SHIN; SHIN, SANG-HYE
To: SK INNOVATION CO., LTD.; SK LUBRICANTS CO., LTD.
Reel/Frame 049481/0843 →
Assignment of Assignor's Interest
Mar 19, 2021
From: LIM, SEON-JU; KIM, TAE-JIN; CHEON, YOUNG-EUN
To: SK INNOVATION CO., LTD.; SK LUBRICANTS CO., LTD.
Reel/Frame 055648/0011 →
Assignment of Assignor's Interest
Apr 29, 2021
From: KIM, DOKYOUNG; LIM, SEONJU; KIM, DOWOAN; LEE, SEUNGWOO
To: SK INNOVATION CO., LTD.; SK LUBRICANTS CO., LTD.
Reel/Frame 056083/0246 →
Change of Name
Jan 23, 2023
From: SK LUBRICANTS CO., LTD.
To: SK ENMOVE CO., LTD.
Reel/Frame 062454/0520 →
Change of Name
Jan 23, 2023
From: SK LUBRICANTS CO., LTD.
To: SK ENMOVE CO., LTD.
Reel/Frame 062455/0051 →
Change of Name
Jan 23, 2023
From: SK LUBRICANTS CO., LTD.
To: SK ENMOVE CO., LTD.
Reel/Frame 062454/0946 →
Change of Name
Jan 23, 2023
From: SK LUBRICANTS CO., LTD.
To: SK ENMOVE CO., LTD.
Reel/Frame 062454/0680 →