IP Library › Assignment 017975/0139
Patent Assignment
Reel/Frame 017975/0139

Assignment of Assignor's Interest

Recorded: 2006-06-13 Pages: 3
Assignor
BECKMAN, KRISTY J.
Executed: 2006-06-07
Assignee
CELANESE INTERNATIONAL CORPORATION
1601 WEST LBJ FREEWAY, IP LEGAL DEPT., DALLAS, TEXAS, 75234
Covered Property (1)
Polyvinyl Alcohol Fluid Loss Additive with Improved Rheological Properties
Patent: 7,815,731 →
Application: 11/452,165 →
Publication: US 2007/0284105
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 →