Patent Assignment
Reel/Frame 029940/0737
Assignment of Assignor's Interest
Recorded: 2013-03-07
Pages: 4
Assignors
DESILVA, NAMAL
Executed: 2013-02-21
RITTER, JOACHIM C.
Executed: 2013-02-20
KOROVESSI, EKATERINI
Executed: 2013-02-20
SENGUPTA, SOURAV KUMAR
Executed: 2013-02-19
MENNING, CARL
Executed: 2013-02-18
STAUFFER, CHRISTINA S.
Executed: 2013-02-18
MURPHY, JOSEPH E.
Executed: 2013-02-02
Assignee
E.I. DUPONT DE NEMOURS AND COMPANY
4417 LANCASTER AVE, BARLEY MILL PLAZA 25, WILMINGTON, DELAWARE, 19805
Covered Property
(1)
Production of Tetrahydrofuran-2, 5-Dimethanol from Isosorbide
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 5, 2013
From: DESILVA, NAMAL; RITTER, JOACHIM C.; KOROVESSI, EKATERINI; SENGUPTA, SOURAV KUMAR
To: E. I. DU PONT DE NEMOURS AND COMPANY
Reel/Frame 029921/0620 →
Assignment of Assignor's Interest
Aug 9, 2013
From: DE SILVA, WATHUDURA INDIKA NAMAL; MENNING, CARL ANDREW
To: E. I. DU PONT DE NEMOURS AND COMPANY
Reel/Frame 030979/0704 →
Assignment of Assignor's Interest
Jun 25, 2019
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: DUPONT POLYMERS, INC.
Reel/Frame 049587/0098 →