Patent Assignment
Reel/Frame 008790/0212
Assignment of Assignor's Interest
Recorded: 1997-09-05
Pages: 3
Assignee
CLARIANT GMBH
BRUENINGSTRASSE 50, FRANKFURT, D-659, GERMANY
Covered Property
(1)
Polyvinyl Alcohol Compositions
Patent:
6,054,519 →
Application:
08/924,732 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 3, 2003
From: CLARIANT GMBH
To: KURARAY SPECIALITIES EUROPE GMBH
Reel/Frame 013804/0530 →
Assignment of Assignor's Interest
Apr 6, 2005
From: KURARAY SPECIALITIES EUROPE GMBH
To: CELANESE EMULSIONS GMBH
Reel/Frame 016427/0641 →
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 →