IP Library Assignment 023580/0411
Patent Assignment
Reel/Frame 023580/0411

Assignment of Assignor's Interest

Recorded: 2009-11-30 Pages: 2
Assignors
ZHU, QUINN QUN
Executed: 2009-11-05
WALTERS POLLAK, DANA M.
Executed: 2009-11-05
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, BARLEY MILL PLAZA 25, WILMINGTON, DELAWARE, 19809
Covered Property (1)
Mutant Delta-5 Desaturases Mutated in the Heme-Binding Motif (Hpgg) and Their Use in Making Polyunsaturated Fatty Acids
Patent: 8,268,598 →
Application: 12/562,161 →
Publication: US 2010/0075386
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 26, 2019
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: DUPONT US HOLDING, LLC
Reel/Frame 049880/0001 →
Corrective Assignment to Correct the Designation of Assignee as a Delaware Corporation to a Delaware Limited Liability Company Previously Recorded on Reel 049880 Frame 0001. Assignor(S) Hereby Confirms the Assignment. Aug 28, 2019
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: DUPONT US HOLDING, LLC
Reel/Frame 051502/0610 →