IP Library › Assignment 006787/0595
Patent Assignment
Reel/Frame 006787/0595

Assignment of Assignor's Interest

Recorded: 1993-05-07 Pages: 3
Assignors
ALDCROFT, DEREK
Executed: 1993-04-23
MCKEOWN, IAN P.
Executed: 1993-04-23
ROGERS, BRYAN
Executed: 1993-04-23
STANIER, PETER W.
Executed: 1993-04-23
Assignee
UNILEVER PATENT HOLDINGS B.V.
3133 AT VLAARDINGEN, NETHERLANDS
Covered Property (1)
Silica Products
Patent: 5,326,395 →
Application: 07/971,615 →
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 9, 1998
From: UNILEVER PATENT HOLDINGS B.V.
To: CROSFIELD LIMITED
Reel/Frame 009525/0922 →
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 →