Patent Assignment
Reel/Frame 013804/0530
Assignment of Assignor's Interest
Recorded: 2003-03-03
Pages: 3
Assignor
CLARIANT GMBH
Executed: 2003-03-03
Assignee
KURARAY SPECIALITIES EUROPE GMBH
BRUENINGSTRASSE 50, D-65926 FRANKFURT AM MAIN, GERMANY
Covered Properties
(3)
Process for Preparing Dispersions Stabilized with Protective Colloid
Patent:
5,635,566 →
Application:
08/348,225 →
Polyvinyl Alcohol Compositions
Patent:
6,054,519 →
Application:
08/924,732 →
Polyvinyl Alcohol Compositions
Patent:
6,608,128 →
Application:
09/549,043 →
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 28, 1994
From: GERHARZ, BETTINA; KROGGEL, MATTHIAS
To: HOECHST AKTIENGESELLSCHAFT
Reel/Frame 007233/0248 →
Assignment of Assignor's Interest
Sep 5, 1997
From: JAKOB, MARTIN; GUTTE, RICHARD
To: CLARIANT GMBH
Reel/Frame 008790/0212 →
Assignment of Assignor's Interest
Nov 27, 1997
From: HOECHST AKTIENGESELLSCHAFT
To: CLARIANT GMBH
Reel/Frame 008855/0765 →
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 →