IP Library › Assignment 038358/0460
Patent Assignment
Reel/Frame 038358/0460

Change of Name

Recorded: 2016-04-05 Pages: 6
Assignor
Assignee
SK- MATERIALS CO., LTD.
59-33, GAHEUNGGONGDAN-RO, YEONGJU-SI, GYEONGSANGBUK-DO, 36059, KOREA, REPUBLIC OF
Covered Property (1)
Method for Purifying Nitrogen Trifluoride
Patent: 7,569,122 →
Application: 12/064,468 →
Publication: US 2009/0142248
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 22, 2008
From: LEE, YOUNG-KYUN
To: SODIFF ADVANCED MATERIALS CO., LTD.
Reel/Frame 020546/0516 →
Assignment of Assignor's Interest Sep 27, 2022
From: SK-MATERIALS CO., LTD.
To: SK SPECIALTY CO., LTD.
Reel/Frame 061229/0764 →