IP Library Assignment 013485/0557
Patent Assignment
Reel/Frame 013485/0557

Assignment of Assignor's Interest

Recorded: 2002-11-12 Pages: 2
Assignor
DINGERDISSEN, UWE
Executed: 2002-10-21
Assignee
CELANESE INTERNATINAL CORPORATION
1601 WEST LBJ FREEWAY, DALLAS, TEXAS, 75381
Covered Property (1)
Method for the Selective Production of Acetic Acid by Catalytic Oxidation of Ethane and/or Ethylene
Patent: 7,015,355 →
Application: 10/258,758 →
Publication: US 2003/0158440
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 25, 2003
From: ZEYSS, SABINE
To: CELANESE INTERNATIONAL CORP.
Reel/Frame 014322/0823 →
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 Aug 18, 2016
From: DEUTSCHE BANK AG, NEW YORK BRANCH
To: CELANESE INTERNATIONAL CORPORATION
Reel/Frame 039743/0924 →