Patent Assignment
Reel/Frame 049712/0138
Assignment of Assignor's Interest
Recorded: 2019-07-10
Pages: 8
Assignors
TOWLE, IAN DAVID HENDERSON
Executed: 2018-12-07
SMITH, KAYLIE JANE
Executed: 2017-01-26
SIDDONS, PAULINE JULIA
Executed: 2019-05-30
Assignee
KETONEX LIMITED
THE LODGE & STABLES, OLD BOARS HILL, OXFORD, OX1 5JJ, UNITED KINGDOM
Covered Property
(1)
Amine and Non-Amine Derivatized Polyaryletherketone Random and Block Copolymers
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 25, 2019
From: SIDDONS, PAULINE JULIA
To: KETONEX LIMITED
Reel/Frame 049860/0779 →
Assignment of Assignor's Interest
Oct 27, 2022
From: KETONEX LTD.
To: OXFORD PERFORMANCE MATERIALS, INC
Reel/Frame 061559/0306 →
Security Interest
Mar 13, 2026
From: OXFORD PERFORMANCE MATERIALS, INC.
To: KENSTON CAPITAL EMERGING TECHNOLOGY FUND I LP
Reel/Frame 074077/0347 →