IP Library › Assignment 025144/0534
Patent Assignment
Reel/Frame 025144/0534

Assignment of Assignor's Interest

Recorded: 2010-10-15 Pages: 4
Assignors
ZHU, QUINN QUN
Executed: 2008-12-10
XUE, ZHIXIONG
Executed: 2009-12-11
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, BARLEY MILL PLAZA 25, WILMINGTON, DELAWARE, 19809
Covered Property (1)
Reducing Byproduction of Malonates by Yeast in a Fermentation Process
Patent: 9,175,318 →
Application: 12/637,877 →
Publication: US 2010/0159558
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 →