IP Library Assignment 010151/0385
Patent Assignment
Reel/Frame 010151/0385

Assignment of Assignor's Interest

Recorded: 1999-08-09 Pages: 5
Assignors
APPEL, PETER WILLEM
Executed: 1998-08-24
ARTS, THEODORUS JOHANNES CORNELIUS
Executed: 1998-01-10
LANCELEY, CAROLYN ANGELA
Executed: 1998-11-08
OSINGA, THEO JAN
Executed: 1998-01-10
Assignee
CROSFIELD LIMITED
BANK QUAY, WARRINGTON, WA5 1AB, UNITED KINGDOM
Covered Property (1)
Modified Aluminosilicate
Patent: 6,448,218 →
Application: 09/142,652 →
Publication: US 2001/0009895
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 →