Patent Assignment
Reel/Frame 019224/0787
Change of Name
Recorded: 2007-04-26
Pages: 3
Assignor
SCM CHEMICALS, INC.
Executed: 1997-02-27
Assignee
MILLENNIUM INORGANIC CHEMICALS, INC.
1221 MCKINNEY, HOUSTON, TEXAS, 77010
Covered Property
(1)
Novel Silica Gel
Patent:
5,229,096 →
Application:
07/850,151 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 26, 2007
From: MILLENNIUM INORGANIC CHEMICALS, INC.
To: MILLENNIUM SPECIALTY CHEMICALS, INC.
Reel/Frame 019224/0784 →
Assignment of Assignor's Interest
Sep 14, 2007
From: MILLENNIUM SPECIALTY CHEMICALS INC.
To: INEOS SILICAS LTD.
Reel/Frame 019850/0882 →
Assignment of U.S. Patents
Jul 28, 2008
From: INEOS SILICAS LIMITED
To: PQ SILICAS UK LIMITED
Reel/Frame 021301/0001 →