Patent Assignment
Reel/Frame 020674/0459
Assignment of Assignor's Interest
Recorded: 2008-03-19
Pages: 4
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, LEGAL-PATENTS, WILMINGTON, DELAWARE, 19805
Covered Property
(1)
Processes for Producing Random Polytrimethylene Ether Ester
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 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 →