IP Library › Assignment 015389/0199
Patent Assignment
Reel/Frame 015389/0199

Assignment of Assignor's Interest

Recorded: 2004-11-23 Pages: 3
Assignors
SUNKARA, HARI BABU
Executed: 2004-09-27
NG, HOWARD C.
Executed: 2004-09-28
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET, LEGAL-PATENTS, WILMINGTON, DELAWARE, 19898
Covered Property (1)
Polytrimethylene Ether Glycol and Polytrimethylene Ether Ester with Excellent Quality
Patent: 7,323,539 →
Application: 10/918,079 →
Publication: US 2005/0020805
Related Assignments (2)
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 →