IP Library › Assignment 013831/0610
Patent Assignment
Reel/Frame 013831/0610

Assignment of Assignor's Interest

Recorded: 2003-07-25 Pages: 2
Assignors
BRUGEL, EDWARD G.
Executed: 2003-07-09
DICOSIMO, ROBERT
Executed: 2003-07-09
Assignee
E.I. DU PONT DE NEMOURS AND COMPANY
LEGAL PATENTS, BARLEY MILL PLAZA 25, WILMINGTON, DELAWARE, 19880-0025
Covered Property (1)
Manufacture of Certain Cyclic Ester Oligomers
Patent: 6,979,720 →
Application: 10/426,600 →
Publication: US 2004/0019177
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 28, 2004
From: BRUGEL, EDWARD G.; DICOSIMO, ROBERT
To: E. I. DU PONT DE NEMOURS AND COMPANY
Reel/Frame 015191/0976 →
Assignment of Assignor's Interest Jun 26, 2019
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: DUPONT POLYMERS, INC.
Reel/Frame 049590/0650 →
Change of Name Feb 11, 2026
From: DUPONT POLYMERS, INC.
To: CELANESE POLYMERS HOLDING, INC.
Reel/Frame 074734/0498 →