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
Process for Refining Nitrogen Trifluoride Gas Using Alkali Earth Metal Exchanged Zeolite
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 →