IP Library Assignment 008030/0468
Patent Assignment
Reel/Frame 008030/0468

Assignment of Assignor's Interest

Recorded: 1996-03-11 Pages: 3
Assignor
PAZOS, JOSE F.
Executed: 1996-02-07
Assignee
ARCO CHEMICAL TECHNOLOGY, L.P.
400 KENNETT PIKE, STE. 238, TWO GREENVILLE CROSSING, GREENVILLE, DELAWARE, 19807
Covered Property (1)
Preparation of Double Metal Cyanide-Catalyzed Polyols by Continuous Addition of Starter
Patent: 5,777,177 →
Application: 08/597,781 →
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 →