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Patent Assignment Assignor Details
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Assignor Name : SIEBER, ALEXANDER
Total Assignments: 11
Assignment: 1
Reel/Frame:004663/0097   Pages: 1
Recorded: 01/22/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MACHOLDT, HANS-TOBIAS
Exec Dt:
12/29/1986
2
SIEBER, ALEXANDER
Exec Dt:
12/29/1986
3
TROSTER, HELMUT
Exec Dt:
12/29/1986
Assignee
1
HOECHST AKTIENGESSELLSCHAFT, A CORP. OF GERMANY
D-6230 FRANKFURT AM MAIN 80, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4786575
NONE
07006509
Correspondence name and address
CONNOLLY AND HUTZ
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 2
Reel/Frame:004721/0609   Pages: 1
Recorded: 05/28/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MACHOLDT, HANS-TOBIAS
Exec Dt:
05/04/1987
2
SIEBER, ALEXANDER
Exec Dt:
05/04/1987
3
KROH, ADOLF
Exec Dt:
05/04/1987
Assignee
1
HOECHST AKTIENGESELLSCHAFT, D-6230 FRANKFURT AM MAIN 80, GERMANY, A CORP. OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4777105
NONE
07055347
Correspondence name and address
CONNOLLY AND HUTZ
P. O. BOX 2207
WILMINGTON, DE 19899
Assignment: 3
Reel/Frame:004897/0866   Pages: 1
Recorded: 03/03/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHNEIDER, MANFRED
Exec Dt:
02/15/1988
2
OTT, ULRICH
Exec Dt:
02/15/1988
3
SIEBER, ALEXANDER
Exec Dt:
02/15/1988
4
ZIMMERMANN, MANFRED
Exec Dt:
02/15/1988
Assignee
1
HOECHST AKTIENGESELLSCHAFT, A CORP. OF FED. REP. OF GERMANY
D-6230 FRANKFURT AM MAIN 80, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4859728
NONE
07163766
Correspondence name and address
CONNOLLY AND HUTZ
P. O. BOX 2207
WILMINGTON, DE 19899
Assignment: 4
Reel/Frame:004975/0589   Pages: 1
Recorded: 11/03/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MACHOLDT, HANS-TOBIAS
Exec Dt:
10/10/1988
2
SIEBER, ALEXANDER
Exec Dt:
10/10/1988
3
GODAU, CLAUS
Exec Dt:
10/10/1988
4
MANZ, ALBRECHT
Exec Dt:
10/10/1988
Assignee
1
HOECHST AKTIENGESELLSCHAFT, D-6230 FRANKFURT AM MAIN 80, FED. REP. OF GERMANY, A CORP. OF FED. REP. OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5021473
NONE
07266510
Correspondence name and address
CONNOLLY AND HUTZ
P. O. BOX 2207
WILMINGTON, DE 19899
Assignment: 5
Reel/Frame:004975/0590   Pages: 1
Recorded: 11/03/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MACHOLDT, HANS-TOBIAS
Exec Dt:
10/10/1988
2
SIEBER, ALEXANDER
Exec Dt:
10/10/1988
3
GODAU, CLAUS
Exec Dt:
10/10/1988
4
MANZ, ALBRECHT
Exec Dt:
10/10/1988
Assignee
1
HOECHST AKTIENGESELLSCHAFT, A CORP. OF FED. REP. OF GERMANY
D-6230 FRANKFURT AM MAIN 80
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5015676
NONE
07266508
Correspondence name and address
CONNOLLY AND HUTZ
P. O. BOX 2207
WILMINGTON, DE 19899
Assignment: 6
Reel/Frame:004980/0756   Pages: 1
Recorded: 11/03/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MACHOLDT, HANS-TOBIAS
Exec Dt:
10/10/1988
2
SIEBER, ALEXANDER
Exec Dt:
10/10/1988
3
GODAU, CLAUS
Exec Dt:
10/10/1988
4
MANZ, ALBRECHT
Exec Dt:
10/10/1988
Assignee
1
HOECHST AKTIENGESELLSCHAFT, A CORP. OF FEDERAL REPUBLIC OF GERMANY
D-6230 FRANKFURT AM MAIN 80, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5073579
NONE
07266509
Correspondence name and address
CONNOLLY AND HUTZ
P. O. BOX 2207
WILMINGTON, DE 19899
Assignment: 7
Reel/Frame:005097/0112   Pages: 1
Recorded: 06/28/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
UHRIG, HEINZ
Exec Dt:
06/12/1989
2
ACKERMANN, ERICH
Exec Dt:
06/12/1989
3
SIEBER, ALEXANDER
Exec Dt:
06/12/1989
Assignee
1
HOECHST AKTIENGESELLSCHAFT,
D-6230 FRANKFURT AM MAIN 80, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4980425
NONE
07372311
Correspondence name and address
CONNOLLY AND HUTZ
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 8
Reel/Frame:005141/0503   Pages: 1
Recorded: 09/14/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MACHOLDT, HANS-TOBIAS
Exec Dt:
08/29/1989
2
SIEBER, ALEXANDER
Exec Dt:
08/29/1989
3
SCHUI, FRANZ
Exec Dt:
08/29/1989
4
DEUBEL, REINHOLD
Exec Dt:
08/29/1989
Assignee
1
HOECHST AKTIENGESELLSCHAFT, D-6230 FRANKFURT AM MAIN 80, FED. REP. OF GERMANY A CORP. OF FED. REP. OF GERMANY
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4957841
NONE
07407225
Correspondence name and address
CONNOLLY & HUTZ
P. O. BOX 2207
WILMINGTON, DE 19899
Assignment: 9
Reel/Frame:005151/0378   Pages: 1
Recorded: 09/28/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MACHOLDT, HANS-TOBIAS
Exec Dt:
09/12/1989
2
KROH, ADOLF
Exec Dt:
09/12/1989
3
SIEBER, ALEXANDER
Exec Dt:
09/12/1989
4
DIETZ, ERWIN
Exec Dt:
09/12/1989
Assignee
1
HOECHST AKTIENGESELLSCHAFT
D-6230 FRANKFURT AM MAIN 80,
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5137576
NONE
07414137
Correspondence name and address
CONNOLLY AND HUTZ
P. O. BOX 2207
WILMINGTON, DE 19899
Assignment: 10
Reel/Frame:005170/0747   Pages: 1
Recorded: 11/02/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
GITZEL, JORG
Exec Dt:
10/10/1989
2
MACHOLDT, HANS-TOBIAS
Exec Dt:
10/10/1989
3
SIEBER, ALEXANDER
Exec Dt:
10/10/1989
4
WEHOWSKY, FRANK
Exec Dt:
10/10/1989
5
PROSSEL, GUNTHER
Exec Dt:
10/10/1989
Assignee
1
HOECHST AKTIENGESELLSCHAFT
A CORP. OF THE FEDERAL REPUBLIC OF GERMANY
FRANKFUR AM MAIN 80, GERMANY D-6230
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5069994
NONE
07430732
Correspondence name and address
CONNOLLY AND HUTZ
P. O. BOX 2207
WILMINGTON, DE 19899
Assignment: 11
Reel/Frame:010051/0546   Pages: 2
Recorded: 06/28/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WINTER, RAINER
Exec Dt:
03/23/1998
2
ZIDAN, IBRAHIM
Exec Dt:
03/23/1998
3
OTT, ULRICH
Exec Dt:
03/23/1998
4
SIEBER, ALEXANDER
Exec Dt:
03/23/1998
Assignee
1
CLARIANT GMBH
BRUENINGSTRASSE 50
D-65929 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6110267
NONE
09039538
Correspondence name and address
CLARIANT CORPORATION
SUSAN S. JACKSON
INDUSTRIAL PROPERTY DEPARTMENT
4331 CHESAPEAKE DRIVE
CHARLOTTE, NORTH CAROLINA 28216

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