IP Library › Assignment 019715/0828
Patent Assignment
Reel/Frame 019715/0828

Assignment of Assignor's Interest

Recorded: 2007-08-16 Pages: 4
Assignors
ZHANG, TIEJUN
Executed: 2007-06-06
TURNER, V. KEITH
Executed: 2007-06-06
Assignee
MERICHEM COMPANY
5455 OLD SPANISH TRAIL, HOUSTON, TEXAS, 77023
Covered Property (1)
Separation Process
Patent: 7,833,499 →
Application: 11/818,300 →
Publication: US 2008/0308503
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 →