IP Library › Assignment 015640/0288
Patent Assignment
Reel/Frame 015640/0288

Assignment of Assignor's Interest

Recorded: 2005-02-01 Pages: 3
Assignors
LIN, ROBERT
Executed: 2004-09-23
DE VREEDE, MARCEL
Executed: 2004-09-23
Assignee
EASTMAN CHEMICAL COMPANY
P.O. BOX 511, KINGSPORT, TENNESSEE, 37662
Covered Property (1)
Extraction Process for Removal of Impurities from an Oxidizer Purge Stream in the Synthesis of Carboxylic Acid
Patent: 7,452,522 →
Application: 10/948,591 →
Publication: US 2005/0084432
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 →