IP Library Assignment 008249/0080
Patent Assignment
Reel/Frame 008249/0080

Assignment of Assignor's Interest

Recorded: 1996-12-02 Pages: 3
Assignor
LE-KHAC, BI
Executed: 1996-10-16
Assignee
ARCO CHEMICAL TECHNOLOGY, L.P.
4001 KENNETT PIKE, SUITE 238, TWO GREENVILLE CROSSING, GREENVILLE, DELAWARE, 19807
Covered Property (1)
Double Metal Cyanide Catalysts Containing Functionalized Polymers
Patent: 5,714,428 →
Application: 08/731,495 →
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 →