Patent Assignment
Reel/Frame 013613/0870
Assignment of Assignor's Interest
Recorded: 2003-04-30
Pages: 2
Assignors
SOCZKA-GUTH, THOMAS
Executed: 2001-08-20
PADBERG, CHRISTOPH
Executed: 2001-09-13
FRANK, GEORG
Executed: 2001-12-08
Assignee
CELANESE VENTURES GMBH
65926 FRANKFURT, GERMANY
Covered Property
(1)
Membranes Containing Sulfonated Polyetherketone and Another Polymer,Method for the Production and Use Thereof
Patent:
6,914,084 →
Application:
09/807,304 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.