Patent Assignment
Reel/Frame 022037/0617
Assignment of Assignor's Interest
Recorded: 2008-12-30
Pages: 7
Assignors
HARMER, MARK ANDREW
Executed: 2008-12-02
HOFFMANN, CHRISTIAN
Executed: 2008-11-06
JACKSON, SCOTT CHRISTOPHER
Executed: 2008-11-07
MURPHY, EDWARD R.
Executed: 2008-11-06
SPENCE, RUBERT
Executed: 2008-11-20
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, DUPONT LEGAL, WILMINGTON, DELAWARE, 19805
Covered Property
(1)
Preparation of Polytrimethylene Ether Glycol or Copolymers Thereof
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 INDUSTRIAL BIOSCIENCES USA, LLC
Reel/Frame 049879/0043 →
Corrective Assignment to Correct the Entity Type Previously Recorded at Reel: 049879 Frame: 0043. Assignor(S) Hereby Confirms the Assignment.
Sep 6, 2019
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: DUPONT INDUSTRIAL BIOSCIENCES USA, LLC
Reel/Frame 050300/0408 →
Assignment of Assignor's Interest
Jan 18, 2024
From: DUPONT INDUSTRIAL BIOSCIENCES USA, LLC
To: COVATION INC.
Reel/Frame 066350/0534 →