IP Library › Assignment 014449/0561
Patent Assignment
Reel/Frame 014449/0561

Assignment of Assignor's Interest

Recorded: 2004-03-22 Pages: 3
Assignors
DEBRUIN, BRUCE ROGER
Executed: 2003-06-11
BONNER, RICHARD GILL
Executed: 2003-07-01
Assignee
EASTMAN CHEMICAL COMPANY
P.O. BOX 511, KINGSPORT, TENNESSEE, 37662
Covered Property (1)
Polyester Process Using a Pipe Reactor
Patent: 7,135,541 →
Application: 10/456,309 →
Publication: US 2004/0249111
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 1, 2011
From: EASTMAN CHEMICAL COMPANY
To: GRUPO PETROTEMEX, S.A. DE C.V.
Reel/Frame 025727/0271 →
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 →