Patent Assignment
Reel/Frame 022109/0157
Assignment of Assignor's Interest
Recorded: 2009-01-15
Pages: 7
Assignor
WACKER CHEMIE AG
Executed: 2008-11-03
Assignee
KURARAY EUROPE GMBH
BUILDING F821, HOECHST INDUSTRIAL PARK, FRANKFURT AM MAIN, 65926, GERMANY
Covered Property
(1)
Method for Producing Polyvinylacetals
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 8, 2004
From: STARK, KURT; TSCHIRNER, PETER; EICHEL, KARL-HEINZ; FRIEDL, GEORG
To: WACKER POLYMER SYSTEMS GMBH & CO. KG
Reel/Frame 016471/0904 →
Assignment of Assignor's Interest
Oct 1, 2008
From: WACKER POLYMER SYSTEMS GMBH & CO. KG
To: WACKER CHEMIE AG
Reel/Frame 021603/0608 →