Patent Assignment
Reel/Frame 028428/0183
Assignment of Assignor's Interest
Recorded: 2012-06-22
Pages: 4
Assignor
RUEHMER, THOMAS D.
Executed: 2010-01-21
Assignee
DOW OLEFINVERBUND GMBH
BERTHASTRASSE 13, SCHKOPAU, 06258, GERMANY
Covered Property
(1)
Catalyst Systems for Rubber Polymerizations
Application:
13/512,919 →
Publication:
US 2012/0264897
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 22, 2012
From: DOW OLEFINVERBUND GMBH
To: THE DOW CHEMICAL COMPANY
Reel/Frame 028428/0302 →
Assignment of Assignor's Interest
Jun 22, 2012
From: THE DOW CHEMICAL COMPANY
To: DOW GLOBAL TECHNOLOGIES INC.
Reel/Frame 028428/0342 →
Assignment of Assignor's Interest
Jun 22, 2012
From: THE DOW CHEMICAL COMPANY; DOW GLOBAL TECHNOLOGIES INC.
To: STYRON LLC
Reel/Frame 028428/0869 →
Assignment of Assignor's Interest
Jun 22, 2012
From: STYRON LLC
To: STYRON EUROPE GMBH
Reel/Frame 028428/0984 →
Patent Security Agreement
Aug 6, 2015
From: TRINSEO EUROPE GMBH
To: DEUTSCHE BANK AG NEW YORK BRANCH, AS COLLATERAL AGENT
Reel/Frame 036303/0749 →
Termination and Release of Security Interest in Patents Recorded at Reel 036303, Frame 0749
Sep 6, 2017
From: DEUTSCHE BANK AG NEW YORK BRANCH
To: TRINSEO EUROPE GMBH
Reel/Frame 043773/0059 →