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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
6447764
Issue Dt:
09/10/2002
Application #:
09505963
Filing Dt:
02/17/2000
Inventors:
Ernst Bayer, Hans Fritz, Martin Maier, Jens Schewitz, Michael Gerster
Title:
METHOD FOR ISOLATING ANIONIC ORGANIC SUBSTANCES FROM AQUEOUS SYSTEMS USING CATIONIC POLYMER NANOPARTICLES
Assignment: 1
Reel/Frame:
010978/0704Recorded: 07/21/2000Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
BAYER, ERNST
Exec Dt:
06/15/2000
FRITZ, HANS
Exec Dt:
06/15/2000
MAIER, MARTIN
Exec Dt:
07/01/2000
SCHEWITZ, JENS
Exec Dt:
06/15/2000
GERSTER, MICHAEL
Exec Dt:
06/15/2000
Assignee:
SWK TROSTBERG AKTIENGESELLSCHAFT
DR.- ALBERT-FRANK-STRASSE 32
D-83308 TROSTBERG, GERMANY
Correspondent:
NATH & ASSOCIATES PLLC
GARY M. NATH
1030 15TH STREET, N.W., 6TH FLOOR
WASHINGTON, D.C. 20005
Assignment: 2
Reel/Frame:
013074/0482Recorded: 07/11/2002Pages: 2
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
SWK TROSTBERG AKTIENGESELLSCHAFT
Exec Dt:
02/20/2001
Assignee:
DEGUSSA AG
DR.- ALBERT- FRANK- STRASSE 32
D-83308 TROSTBERG, GERMANY
Correspondent:
NATH & ASSOCIATES PLLC
GARY M. NATH
1030 15TH STREET, N.W. - 6TH FLOOR
WASHINGTON, DC 20005

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