Patent Assignment
Reel/Frame 024621/0592
Assignment of Assignor's Interest
Recorded: 2010-07-01
Pages: 4
Assignors
MARSDEN, CHRISTINE ELIZABETH
Executed: 2010-06-02
PARKER, ROBERT JOSEPH
Executed: 2010-05-20
Assignee
PQ SILICAS UK LIMITED
4 LIVERPOOL ROAD, BANK QUAY, WARRINGTON, CHESHIRE, WA5 1AQ, UNITED KINGDOM
Covered Property
(1)
Catalyst Precursor Particles, Their Preparation and Use
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.