Assignment of Assignor's Interest

Recorded: 2023-01-17 Pages: 3

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Assignors

LI, YOUGEN

Executed: 2009-01-13

LIAO, DER-ING

Executed: 2009-01-13

NELSON, MARK J.

Executed: 2009-01-13

OKEEFE, DANIEL P.

Executed: 2009-01-13

Assignee

E. I. DU PONT DE NEMOURS AND COMPANY

1007 MARKET STREET, LEGAL-PATENTS, WILMINGTON, DELAWARE, 19898

Covered Properties (4)

Ketol-Acid Reductoisomerase Using Nadh

Patent: 8,222,017 →

Application: 13/296,969 →

Publication: US 2012/0115197

Ketol-Acid Reductoisomerase Using Nadh

Patent: 8,895,307 →

Application: 13/550,565 →

Publication: US 2013/0072394

Ketol-Acid Reductoisomerase Using Nadh

Patent: 9,238,801 →

Application: 13/838,869 →

Publication: US 2014/0057329

Ketol-Acid Reductoisomerase Using Nadh

Patent: 8,911,981 →

Application: 13/838,899 →

Publication: US 2013/0344551

Related Assignments (5)

Other recorded transfers of the patents in this record — the chain of ownership.

Assignment of Assignor's Interest Apr 5, 2012

From: TOMB, JEAN FRANCOIS

To: BUTAMAX (TM) ADVANCED BIOFUELS LLC

Reel/Frame 027994/0110 →

Assignment of Assignor's Interest Aug 26, 2021

From: E. I. DU PONT DE NEMOURS AND COMPANY

To: BUTAMAX ADVANCED BIOFUELS LLC

Reel/Frame 057299/0663 →

Assignment of Assignor's Interest Aug 27, 2021

From: TOMB, JEAN-FRANCOIS

To: BUTAMAX(TM) ADVANCED BIOFUELS LLC

Reel/Frame 057305/0763 →

Assignment of Assignor's Interest Sep 30, 2021

From: BUTAMAX ADVANCED BIOFUELS LLC

To: GEVO, INC.

Reel/Frame 057677/0477 →

Assignment of Assignor's Interest Jan 30, 2023

From: E. I. DU PONT DE NEMOURS AND COMPANY

To: BUTAMAX ADVANCED BIOFUELS LLC

Reel/Frame 062538/0103 →