IP Library › Assignment 017988/0451
Patent Assignment
Reel/Frame 017988/0451

Assignment of Assignor's Interest

Recorded: 2006-07-24 Pages: 3
Assignors
UPSHAW, TIMOTHY ALAN
Executed: 2006-07-10
SHEPPARD, RONALD BUFORD
Executed: 2006-07-10
Assignee
EASTMAN CHEMICAL COMPANY
P.O. BOX 511, KINGSPORT, TENNESSEE, 37662
Covered Property (1)
Process for Energy Recovery and Water Removal in the Preparation of Aromatic Carboxylic Acids
Patent: 7,566,802 →
Application: 11/440,187 →
Publication: US 2007/0276155
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 025727/0820 →
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 →