IP Library › Assignment 013124/0297
Patent Assignment
Reel/Frame 013124/0297

Assignment of Assignor's Interest

Recorded: 2002-09-25 Pages: 2
Assignors
SUNKARA, HARI B.
Executed: 2002-09-17
MCINNIS, EDWIN L.
Executed: 2002-09-17
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
LEGAL PATENTS, BARLEY MILL PLAZA 25, WILMINGTON, DELAWARE, 19880
Covered Property (1)
Polyurethane and Polyurethane-Urea Elastomers from Polytrimethylene Ether Glycol
Patent: 6,852,823 →
Application: 10/215,575 →
Publication: US 2004/0030060
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 20, 2024
From: DUPONT INDUSTRIAL BIOSCIENCES USA, LLC
To: COVATION INC.
Reel/Frame 066356/0895 →