IP Library › Assignment 022308/0357
Patent Assignment
Reel/Frame 022308/0357

Assignment of Assignor's Interest

Recorded: 2009-02-25 Pages: 4
Assignors
KANG, GWIGWON
Executed: 2008-11-19
RHEE, JANG-WEON
Executed: 2008-11-19
JUNG, INHWA
Executed: 2008-11-19
LEE, YOUNGKEUN
Executed: 2008-11-19
KIM, YONGKYOUNG
Executed: 2008-11-19
Assignee
SK ENERGY CO., LTD.
99 SEORIN-DONG, JONGRO-GU, SEOUL, 110-110, KOREA, DEMOCRATIC PEOPLE'S REPUBLIC OF
Covered Property (1)
Microporous Polyolefin Film Possessing Good Mechanical Properties and Thermal Stability
Patent: 8,048,936 →
Application: 12/292,584 →
Publication: US 2009/0148685
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Sep 20, 2011
From: SK ENERGY CO., LTD
To: SK INNOVATION CO., LTD.
Reel/Frame 026932/0203 →
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 →