IP Library › Assignment 032158/0331
Patent Assignment
Reel/Frame 032158/0331

Assignment of Assignor's Interest

Recorded: 2014-02-06 Pages: 3
Assignors
DRYSDALE, NEVILLE EVERTON
Executed: 2014-01-20
NEDERBERG, FREDRIK
Executed: 2014-01-22
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET, WILMINGTON, DELAWARE, 19898
Covered Property (1)
Preparation of Homopolymer and Copolymers of (Phosphonyl)Aromatic Diesters and Acids
Patent: 8,722,846 →
Application: 13/314,616 →
Publication: US 2013/0150548
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 →