IP Library Assignment 027599/0219
Patent Assignment
Reel/Frame 027599/0219

Assignment of Assignor's Interest

Recorded: 2012-01-26 Pages: 8
Assignors
NEFZGER, HARTMUT
Executed: 2011-11-24
BAUER, ERIKA
Executed: 2011-11-29
VAN DE BRAAK, JOHANNES
Executed: 2011-12-24
SCHLOSSMACHER, JURGEN
Executed: 2011-12-05
KASPEREK, SILVIA
Executed: 2011-11-29
Assignee
BAYER MATERIALSCIENCE AG
51368, LEVERKUSEN, GERMANY
Covered Property (1)
Polyester Polyols Made of Isophthalic Acid and/or Terephthalic Acid and Oligoalkyl Oxides
Patent: 9,605,106 →
Application: 13/322,989 →
Publication: US 2012/0123009
Related Assignments (1)
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 →