IP Library Assignment 015462/0196
Patent Assignment
Reel/Frame 015462/0196

Assignment of Assignor's Interest

Recorded: 2004-12-16 Pages: 2
Assignor
WANG, SHUHONG
Executed: 2004-06-04
Assignee
DUPONT DOW ELASTOMERS L.L.C.
300 BELLEVUE PARKWAY, BELLEVUE PARK CORPORATE CENTER, WILMINGTON, DELAWARE, 19809
Covered Property (1)
Curable Perfluoroelastomer Composition
Patent: 6,992,143 →
Application: 10/863,037 →
Publication: US 2005/0038165
Related Assignments (6)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Nov 18, 2011
From: DUPONT DOW ELASTOMERS L.L.C.
To: DUPONT PERFORMANCE ELASTOMERS L.L.C.
Reel/Frame 027249/0944 →
Change of Name Feb 13, 2012
From: DUPONT PERFORMANCE ELASTOMERS LLC
To: E. I. DU PONT DE NEMOURS AND COMPANY
Reel/Frame 027697/0185 →
Assignment of Assignor's Interest Jun 25, 2019
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: DUPONT POLYMERS, INC.
Reel/Frame 049587/0098 →
Nunc Pro Tunc Assignment Sep 6, 2024
From: DUPONT POLYMERS, INC.
To: DUPONT POLYMERS, INC.
Reel/Frame 068512/0400 →
Change of Address Sep 6, 2024
From: DUPONT POLYMERS, INC.
To: DUPONT POLYMERS, INC.
Reel/Frame 068859/0287 →
Nunc Pro Tunc Assignment Nov 6, 2025
From: DUPONT POLYMERS, INC.
To: DUPONT SPECIALTY PRODUCTS USA, LLC
Reel/Frame 072805/0695 →