IP Library Assignment 036735/0259
Patent Assignment
Reel/Frame 036735/0259

Assignment of Assignor's Interest

Recorded: 2015-09-29 Pages: 4
Assignors
FREY, GUIDO D., DR.
Executed: 2014-08-20
LANGE, HORST DR.
Executed: 2014-08-20
STRUTZ, HEINZ DR.
Executed: 2014-09-23
DE HAAS, JACCO
Executed: 2014-09-02
Assignee
OXEA GMBH
OTTO--ROELEN-STR. 3, OBERHAUSEN, 46147, GERMANY
Covered Property (1)
Mixtures Containing Trimellitic Acid Ester and Polyether Polyol Ester as Plasticizers, Use of the Mixtures for Producing Polymer Compounds and PVC materials Containing Said Mixtures
Patent: 9,580,573 →
Application: 14/867,628 →
Publication: US 2016/0017120
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Aug 25, 2021
From: OXEA GMBH
To: OQ CHEMICALS GMBH
Reel/Frame 057312/0979 →