Patent Assignment
Reel/Frame 049860/0779
Assignment of Assignor's Interest
Recorded: 2019-07-25
Pages: 4
Assignor
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 10, 2019
From: TOWLE, IAN DAVID HENDERSON; SMITH, KAYLIE JANE; SIDDONS, PAULINE JULIA
To: KETONEX LIMITED
Reel/Frame 049712/0138 →
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 →