IP Library › Assignment 018540/0733
Patent Assignment
Reel/Frame 018540/0733

Assignment of Assignor's Interest

Recorded: 2006-11-17 Pages: 4
Assignors
COLHOUN, FREDERICK LESLIE
Executed: 2006-11-10
VENETT, KENRICK LYLE
Executed: 2006-11-10
DEBRUIN, BRUCE ROGER
Executed: 2006-10-19
Assignee
EASTMAN CHEMICAL COMPANY
P.O. BOX 511, KINGSPORT, TENNESSEE, 37662
Covered Property (1)
Late Addition to Effect Compositional Modifications in Condensation Polymers
Patent: 7,838,596 →
Application: 11/500,800 →
Publication: US 2007/0066792
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 9, 2012
From: EASTMAN CHEMICAL COMPANY
To: GRUPO PETROTEMEX, S.A. DE C.V.
Reel/Frame 028509/0861 →
Change of Name Jan 11, 2022
From: GRUPO PETROTEMEX, S.A. DE C.V.
To: ALPEK POLYESTER, S.A. DE C.V.
Reel/Frame 058691/0337 →