IP Library › Assignment 029654/0419
Patent Assignment
Reel/Frame 029654/0419

Assignment of Assignor's Interest

Recorded: 2013-01-18 Pages: 4
Assignors
ZHANG, TIEJUN
Executed: 2013-01-09
TURNER, V. KEITH
Executed: 2013-01-09
Assignee
MERICHEM COMPANY
5455 OLD SPANISH TRAIL, HOUSTON, TEXAS, 77023
Covered Property (1)
Process for Separating Mercaptans from Caustic
Patent: 8,308,957 →
Application: 12/849,408 →
Publication: US 2010/0320124
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 →