IP Library › Assignment 029249/0796
Patent Assignment
Reel/Frame 029249/0796

Assignment of Assignor's Interest

Recorded: 2012-11-06 Pages: 4
Assignors
ZHANG, TIEJUN
Executed: 2012-11-05
TURNER, V. KEITH
Executed: 2012-11-05
Assignee
MERICHEM COMPANY
5455 OLD SPANISH TRAIL, HOUSTON, TEXAS, 77023
Covered Property (1)
Single Vertical Tower for Treating a Stream of Rich Caustic Containing Mercaptan Compounds
Patent: 8,454,824 →
Application: 13/647,922 →
Publication: US 2013/0026086
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 6, 2024
From: MERICHEM COMPANY
To: MERICHEM TECHNOLOGIES, LLC
Reel/Frame 067644/0064 →