IP Library › Assignment 028242/0215
Patent Assignment
Reel/Frame 028242/0215

Assignment of Assignor's Interest

Recorded: 2012-05-21 Pages: 3
Assignors
O'BRIEN, JOHN P.
Executed: 2012-05-16
OPPER, KATHLEEN
Executed: 2012-05-17
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, BARLEY MILL PLAZA 25, WILMINGTON, DELAWARE, 19805
Covered Property (1)
Process for Preparing Polysaccharide Fibers from Aqueous Alkali Metal Hydroxide Solution
Patent: 9,334,584 →
Application: 13/333,501 →
Publication: US 2013/0161861
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 Nov 28, 2020
From: DUPONT INDUSTRIAL BIOSCIENCES USA, LLC
To: NUTRITION & BIOSCIENCES USA 4, INC.
Reel/Frame 055028/0496 →