Patent Assignment
Reel/Frame 006811/0437
Assignment of Assignor's Interest
Recorded: 1993-12-22
Pages: 2
Assignor
ARAYA, ABRAHAM
Executed: 1993-05-18
Assignee
UNILEVER PATENT HOLDINGS B.V.
OLIVIER VAN NOORTLAAN 120 VLAARDINGEN, THE NETHERLANDS, NETHERLANDS
Covered Property
(1)
Aluminosilicates
Patent:
5,362,466 →
Application:
08/046,864 →
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 →