IP Library Assignment 021808/0415
Patent Assignment
Reel/Frame 021808/0415

Assignment of Assignor's Interest

Recorded: 2008-11-10 Pages: 2
Assignor
GABANA, VLODEK
Executed: 2008-09-22
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, DUPONT LEGAL, WILMINGTON, DELAWARE, 19805
Covered Property (1)
Fibers Comprising Copolymers Containing Structures Derived from 4,4 Diamino Diphenyl Sulfone and a Plurality of Acid Monomers and Methods of Making Same
Patent: 8,133,827 →
Application: 12/229,414 →
Publication: US 2009/0053500
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 25, 2019
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: DUPONT SAFETY & CONSTRUCTION, INC.
Reel/Frame 051180/0648 →