IP Library Assignment 038003/0290
Patent Assignment
Reel/Frame 038003/0290

Assignment of Assignor's Interest

Recorded: 2016-03-16 Pages: 3
Assignor
LE-KHAC, BI
Executed: 1996-04-19
Assignee
ARCO CHEMICAL TECHNOLOGY, L.P.
TWO GREENVILLE CROSSING, 4001 KENNETT PIKE, SUITE 238, GREENVILLE, DELAWARE, 19807
Covered Property (1)
Highly Active Double Metal Cyanide Catalysts
Patent: 5,789,626 →
Application: 08/780,771 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 17, 2016
From: ARCO CHEMICAL TECHNOLOGY L.P.
To: BAYER ANTWERP N.V.
Reel/Frame 038008/0427 →
Assignment of Assignor's Interest Mar 24, 2016
From: BAYER ANTWERP N.V.
To: COVESTRO N.V.
Reel/Frame 038091/0582 →