IP Library › Assignment 022893/0743
Patent Assignment
Reel/Frame 022893/0743

Assignment of Assignor's Interest

Recorded: 2009-06-30 Pages: 2
Assignor
DING, ZHUOMIN
Executed: 2004-04-30
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, BARLEY MILL PLAZA 25, WILMINGTON, DELAWARE, 19809
Covered Property (1)
Spinning Poly(Trimethylene Terephthalate) Yarns
Patent: 7,785,507 →
Application: 10/836,568 →
Publication: US 2005/0244636
Related Assignments (3)
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 →
Assignment of Assignor's Interest Sep 30, 2025
From: DUPONT INDUSTRIAL BIOSCIENCES USA, LLC; DUPONT US HOLDING, LLC
To: COVATION INC.
Reel/Frame 072989/0551 →