IP Library Assignment 070502/0433
Patent Assignment
Reel/Frame 070502/0433

Assignment of Assignor's Interest

Recorded: 2025-03-13 Pages: 4
Assignor
HYOSUNG CHEMICAL CORPORATION
Executed: 2025-01-24
Assignee
HYOSUNG NEOCHEM CO., LTD.
235, BANPO-DAERO, SEOCHO-GU, SEOUL, 06578, KOREA, REPUBLIC OF
Covered Properties (2)
Process for Refining Nitrogen Trifluoride Gas Using Alkali Earth Metal Exchanged and Impregnated Zeolite
Patent: 7,637,986 →
Application: 11/631,658 →
Publication: US 2008/0087166
Process for Refining Nitrogen Trifluoride Gas Using Alkali Earth Metal Exchanged Zeolite
Patent: 7,842,125 →
Application: 11/631,659 →
Publication: US 2008/0019894
Related Assignments (4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 5, 2007
From: PARK, YONG-CHUL; JEONG, WOO-SIK; HYUN, KWANG-CHUL; LEE, JANG-WON
To: HYOSUNG CORPORATION
Reel/Frame 018774/0742 →
Assignment of Assignor's Interest Jan 5, 2007
From: PARK, YONG-CHUL; JEONG, WOO-SIK; HYUN, KWANG-CHUL; LEE, JANG-WON
To: HYOSUNG CORPORATION
Reel/Frame 018776/0670 →
Change of Address Oct 18, 2018
From: HYOSUNG CORPORATION
To: HYOSUNG CORPORATION
Reel/Frame 047776/0052 →
Assignment of Assignor's Interest Dec 21, 2018
From: HYOSUNG CORPORATION
To: HYOSUNG CHEMICAL CORPORATION
Reel/Frame 047841/0075 →