IP Library › Assignment 028021/0643
Patent Assignment
Reel/Frame 028021/0643

Assignment of Assignor's Interest

Recorded: 2012-04-10 Pages: 3
Assignors
DRYSDALE, NEVILLE EVERTON
Executed: 2011-12-02
NEDERBERG, FREDRIK
Executed: 2011-12-02
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, BARLEY MILL PLAZA 25, WILMINGTON, DELAWARE, 19809
Covered Property (1)
Preparation of (Phosphonyl) Aromatic Diesters and Acids
Patent: 8,513,454 →
Application: 13/314,664 →
Publication: US 2013/0150612
Related Assignments (5)
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 14, 2024
From: DUPONT INDUSTRIAL BIOSCIENCES USA, LLC
To: COVATION INC.
Reel/Frame 066304/0001 →
Assignment of Assignor's Interest Jan 14, 2024
From: DUPONT INDUSTRIAL BIOSCIENCES USA, LLC
To: COVATION INC.
Reel/Frame 066304/0046 →
Assignment of Assignor's Interest Jan 18, 2024
From: DUPONT INDUSTRIAL BIOSCIENCES USA, LLC
To: COVATION INC.
Reel/Frame 066350/0534 →