Patent Assignment
Reel/Frame 008801/0093
Assignment of Assignor's Interest
Recorded: 1997-10-31
Pages: 3
Assignors
MASON, ROBERT W.
Executed: 1997-10-02
FADAKAR, FARHAD
Executed: 1997-10-03
BRIDGES, JOSEPH P.
Executed: 1997-10-16
BUTLER, LARRY K.
Executed: 1997-10-16
KEYVANI, MAJID
Executed: 1997-10-03
Assignee
ARCO CHEMICAL TECHNOLOGY, L.P.
TWO GREENVILLE CROSSING, SUITE 238, 4001 KENNETT PIKE, GREENVILLE, DELAWARE, 19807
Covered Property
(1)
Isocyanate Residue Purification
Patent:
5,962,728 →
Application:
08/961,800 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 22, 2002
From: ARCO CHEMICAL TECHNOLOGY, L.P.; TWO GREENVILLE CROSSING
To: BAYER CORPORATION
Reel/Frame 012841/0400 →
Assignment of Assignor's Interest
Jun 17, 2015
From: BAYER CORPORATION
To: BAYER MATERIALSCIENCE LLC
Reel/Frame 035929/0637 →
Change of Name
Oct 16, 2015
From: BAYER MATERIALSCIENCE LLC
To: COVESTRO LLC
Reel/Frame 036876/0585 →