IP Library › Assignment 008149/0151
Patent Assignment
Reel/Frame 008149/0151

Assignment of Assignor's Interest

Recorded: 1996-09-20 Pages: 5
Assignors
ALDCROFT, DEREK
Executed: 1995-05-03
STAINER, PETER WILLIAM
Executed: 1995-05-03
Assignee
CROSFIELD LIMITED
BANK QUAY, WARRINGTON WA5 1AB, UNITED KINGDOM
Covered Property (1)
Silicas
Patent: 5,624,652 →
Application: 08/424,453 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Nov 27, 2007
From: CROSFIELD LIMITED
To: INEOS SILICAS LIMITED
Reel/Frame 020186/0803 →
Assignment of U.S. Patents Jul 28, 2008
From: INEOS SILICAS LIMITED
To: PQ SILICAS UK LIMITED
Reel/Frame 021301/0001 →