IP Library Assignment 022216/0571
Patent Assignment
Reel/Frame 022216/0571

Assignment of Assignor's Interest

Recorded: 2009-02-06 Pages: 5
Assignors
STUTZ, HERTBERT
Executed: 2009-01-14
HALPAAP, REINHARD
Executed: 2009-01-14
LEWKEBANDARA, TILAK SUREN
Executed: 2009-01-29
Assignees
BAYER MATERIALSCIENCE AG
D 51368, LEVERKUSEN, GERMANY
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD, PITTSBURGH, PENNSYLVANIA, 15205-9741
Covered Property (1)
Preparation of light-colored isocyanates
Patent: 9,382,198 →
Application: 12/291,774 →
Publication: US 2009/0149671
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Apr 5, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038358/0387 →
Change of Name May 4, 2016
From: BAYER MATERIALSCIENCE LLC
To: COVESTRO LLC
Reel/Frame 038608/0288 →