IP Library › Assignment 011895/0846
Patent Assignment
Reel/Frame 011895/0846

Assignment of Assignor's Interest

Recorded: 2001-06-15 Pages: 2
Assignors
SUNKARA, HARI B.
Executed: 2001-02-19
MANZER, LEO E.
Executed: 2001-02-19
Assignee
E.I. DU PONT DE NEMOURS AND COMPANY
LEGAL PATENTS, 1007 MARKET STREET, WILMINGTON, DELAWARE, 19898
Covered Property (1)
Production of Polytrimethylene Ether Glycol and Copolymers Thereof
Patent: 6,977,291 →
Application: 09/738,688 →
Publication: US 2002/0007043
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 →