IP Library Assignment 013476/0571
Patent Assignment
Reel/Frame 013476/0571

Assignment of Assignor's Interest

Recorded: 2002-11-13 Pages: 3
Assignors
LE-KHAC, BI
Executed: 2002-10-04
WANG, WEI
Executed: 2002-10-07
Assignees
BAYER CORPORATION
PATENT DEPARTMENT, 100 BAYER ROAD, PITTSBURGH, PENNSYLVANIA, 15205-9741
BAYER ANTWERPEN, N.V.
B-2040 ANTWERPEN 4, BELGIUM
Covered Property (1)
Double-Metal Cyanide Catalysts Which Can Be Used to Prepare Polyols and the Processes Related Thereto
Patent: 6,696,383 →
Application: 10/251,155 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 2, 2015
From: BAYER CORPORATION
To: BAYER MATERIALSCIENCE LLC
Reel/Frame 035064/0270 →
Change of Name Oct 16, 2015
From: BAYER MATERIALSCIENCE LLC
To: COVESTRO LLC
Reel/Frame 036876/0585 →