IP Library Assignment 008914/0093
Patent Assignment
Reel/Frame 008914/0093

Assignment of Assignor's Interest

Recorded: 1997-12-23 Pages: 5
Assignor
STANIER, PETER WILLIAM
Executed: 1997-11-17
Assignee
CROSFIELD LIMITED
BANK QUAY, WARRINGTON, WA5 1, UNITED KINGDOM
Covered Property (1)
Amorphous Silicas
Patent: 5,964,937 →
Application: 08/996,867 →
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 →