IP Library › Assignment 018922/0424
Patent Assignment
Reel/Frame 018922/0424

Assignment of Assignor's Interest

Recorded: 2007-02-22 Pages: 2
Assignors
SUNKARA, HARI BABU
Executed: 2007-01-24
NG, HOWARD C.
Executed: 2007-01-31
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET, LEGAL-PATENTS, WILMINGTON, DELAWARE, 19898
Covered Property (1)
Manufacture of Polytrimethylene Ether Glycol
Patent: 7,388,115 →
Application: 11/599,861 →
Publication: US 2007/0173669
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 →