Patent Assignment
Reel/Frame 017384/0665
Assignment of Assignor's Interest
Recorded: 2005-12-16
Pages: 4
Assignors
VICARI, RICHARD
Executed: 2005-12-05
BARSAN, FLORIN
Executed: 2005-12-05
HANN, BRET F.
Executed: 2005-12-05
Assignee
CELANESE INTERNATIONAL CORPORATION
1601 WEST LBJ FREEWAY, IP LEGAL DEPT./BISHOP, DALLAS, TEXAS, 75234
Covered Property
(1)
Method to Purify Poly(Vinyl Alcohol)
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Security Interest in Certain Patents
Mar 25, 2008
From: CELANESE INTERNATIONAL CORPORATION
To: DEUTSCHE BANK AG, NEW YORK BRANCH, AS COLLATERAL AGENT
Reel/Frame 020690/0600 →
Release of Security Interest
Jul 2, 2009
From: DEUTSCHE BANK AG
To: CELANESE INTERNATIONAL CORP.
Reel/Frame 022910/0130 →
Assignment of Assignor's Interest
Jul 31, 2009
From: CELANESE INTERNATIONAL CORPORATION; CELANESE LTD.; CELANESE EMULSIONS GMBH
To: SEKISUI SPECIALTY CHEMICALS AMERICA, LLC
Reel/Frame 023032/0401 →
Release of Security Interest
Aug 18, 2016
From: DEUTSCHE BANK AG, NEW YORK BRANCH
To: CELANESE INTERNATIONAL CORPORATION
Reel/Frame 039743/0924 →