Patent Assignment
Reel/Frame 012764/0979
Assignment of Assignor's Interest
Recorded: 2001-10-22
Pages: 2
Assignors
SOCZKA-GUTH, THOMAS DR.
Executed: 2001-08-20
FRANK, GEORGE DR.
Executed: 2001-09-08
BAURMEISTER, JOCHEN DR.
Executed: 2001-09-13
PAWLIK, JURGEN DR.
Executed: 2001-10-04
KNAUF, RUDIGER DR.
Executed: 2001-09-20
Assignee
CELANESE VENTURES GMBH
65926 FRANKFURT, GERMANY
Covered Property
(1)
Polymer Composition, Membrane Containing Said Composition, Method for the Production and Uses Thereof
Patent:
6,632,847 →
Application:
09/831,338 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 19, 2005
From: CELANESE VENTURES GMBH
To: PEMEAS GMBH
Reel/Frame 016814/0157 →
Assignment of Assignor's Interest
Nov 14, 2005
From: HOECHST AG
To: AVENTIS PHARMA DEUTSCHLAND
Reel/Frame 017223/0694 →
Assignment of Assignor's Interest
Nov 14, 2005
From: CLEANESE VENTURES GMBH
To: PEMEAS GMBH
Reel/Frame 017230/0181 →
Assignment of Assignor's Interest
Nov 19, 2005
From: CELANESE VENTURES GMBH
To: PEMEAS GMBH
Reel/Frame 017325/0323 →