IP Library Assignment 019981/0562
Patent Assignment
Reel/Frame 019981/0562

Assignment of Assignor's Interest

Recorded: 2007-10-18 Pages: 3
Assignors
CHANG, JING-CHUNG
Executed: 2007-09-13
LIANG, YUANFENG
Executed: 2007-09-13
KURIAN, JOSEPH V.
Executed: 2007-09-17
MCKEOWN, JOSEPH P.
Executed: 2007-09-13
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET, LEGAL-PATENTS, WILMINGTON, DELAWARE, 19898
Covered Property (1)
Flame Retardant Polytrimethylene Terephthalate Composition
Patent: 7,855,244 →
Application: 11/834,248 →
Publication: US 2009/0043020
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 18, 2024
From: DUPONT INDUSTRIAL BIOSCIENCES USA, LLC
To: COVATION INC.
Reel/Frame 066350/0534 →