Patent Assignment
Reel/Frame 031188/0007
Assignment of Assignor's Interest
Recorded: 2013-09-12
Pages: 5
Assignors
GRUSHIN, VLADIMIR
Executed: 2013-08-22
MANZER, LEO ERNEST
Executed: 2013-09-05
PARTENHEIMER, WALTER
Executed: 2013-08-22
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
974 CENTRE ROAD, CRP 721, WILMINGTON, DELAWARE, 19805
Covered Property
(1)
Processes for Preparing Diacids, Dialdehydes and Polymers
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 →