Patent Assignment
Reel/Frame 019339/0744
Assignment of Assignor's Interest
Recorded: 2007-05-24
Pages: 5
Assignors
LEE, YOUNG-KEUN
Executed: 2007-05-09
RHEE, JANG-WEON
Executed: 2007-05-09
SUNG, JUNG-MOON
Executed: 2007-05-09
JO, BYOUNG-CHEON
Executed: 2007-05-09
LEE, CHOL-HO
Executed: 2007-05-09
KANG, GWI-GWON
Executed: 2007-05-09
JUNG, IN-HWA
Executed: 2007-05-09
LEE, JE-AN
Executed: 2007-05-09
Assignee
SK CORPORATION
99 SEORIN-DONG, JONGRO-GU, SEOUL, 110-110, KOREA, REPUBLIC OF
Covered Property
(1)
Microporous Polyethylene Film Manufactured According to Liquid-Liquid Phase Separation and Method of Producing the Same
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Jan 24, 2008
From: SK CORPORATION
To: SK ENERGY CO., LTD.
Reel/Frame 020406/0226 →
Change of Name
Sep 20, 2011
From: SK ENERGY CO., LTD.
To: SK INNOVATION CO., LTD.
Reel/Frame 026936/0858 →
Assignment of Assignor's Interest
Aug 9, 2019
From: SK INNOVATION CO., LTD.
To: SK INNOVATION CO., LTD.; SK IE TECHNOLOGY CO., LTD.
Reel/Frame 050007/0637 →