Patent Assignment
Reel/Frame 049918/0739
Corrective Assignment to Correct the Property Number Previously Recorded at Reel: 25728 Frame: 217. Assignor(S) Hereby Confirms the Assignment.
Recorded: 2019-07-31
Pages: 22
Assignor
EASTMAN CHEMICAL COMPANY
Executed: 2011-01-31
Assignee
GRUPO PETROTEMEX, S.A. DE C.V.
RICARDO MARGAIN NO. 444, TORRE SUR, PISO 16, COL. VALLE DEL CAMPESTRE, SAN PEDRO GARZA GARCIA, NUEVO LEON, 66265, MEXICO
Covered Property
(1)
Terephthalic Acid Purge Filtration Rate by Controlling % Water in Filter Feed Slurry
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 25, 2010
From: PARKER, KENNY RANDOLPH; BLAIR, LARRY WAYNE
To: EASTMAN CHEMICAL COMPANY
Reel/Frame 024910/0042 →
Assignment of Assignor's Interest
Oct 25, 2011
From: EASTMAN CHEMICAL COMPANY
To: GRUPO PETROTEMEX, S.A. DE C.V.
Reel/Frame 027112/0013 →
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 →