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Patent Assignment Assignor Details
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Assignor Name : BERTSCH-FRANK, BIRGIT
Total Assignments: 17
Assignment: 1
Reel/Frame:005321/0779   Pages: 4
Recorded: 05/25/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BERTSCH-FRANK, BIRGIT
Exec Dt:
09/28/1989
2
MUELLER, KLAUS
Exec Dt:
10/03/1989
3
LIESER, THOMAS
Exec Dt:
10/09/1989
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
6000 FRANKFURT/MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4968500
NONE
07355845
Correspondence name and address
ROBERT G. WEILACHER
BEVERIDGE, DE GRANDI & WEILACHER
1819 H STREET, N.W.
WASHINGTON, DC 20006
Assignment: 2
Reel/Frame:005566/0855   Pages: 3
Recorded: 01/18/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MULLER, KLAUS
Exec Dt:
01/04/1991
2
BERTSCH-FRANK, BIRGIT
Exec Dt:
01/03/1991
3
LIESER, THOMAS
Exec Dt:
01/08/1991
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT, A CORP. OF THE FEDERAL REPUBLIC OF GERMANY
WEISSFRAUENSTRASSE 9
6000 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5094827
NONE
07570267
Correspondence name and address
BEVERIDGE, DEGRANDI & WEILACHER
STE. 1100, 1819 H ST, NW
WASHINGTON, DC 20006
Assignment: 3
Reel/Frame:005974/0693   Pages: 3
Recorded: 01/16/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HERZIG, JORG
Exec Dt:
10/28/1991
2
ZIKOFSKY, WOLFGANG
Exec Dt:
10/28/1991
3
BERTSCH-FRANK, BIRGIT
Exec Dt:
11/05/1991
4
LIESER, THOMAS
Exec Dt:
11/05/1991
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT A CORPORATION OF THE FEDERAL REPUBLIC OF GERMANY
WEISSFRAUENSTRASSE 9, 6000 FRANKFURT AM MAIN, GERMANY
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5395602
NONE
07628913
Correspondence name and address
ROBERT G. WEILACHER
FEDERAL BAR BUIDLING WEST
1819 H STREET, N.W., STE. 1100
WASHINGTON, DC 20006
Assignment: 4
Reel/Frame:006072/0691   Pages: 3
Recorded: 04/07/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BERTSCH-FRANK, BIRGIT
Exec Dt:
03/02/1992
2
DUKER, AXEL
Exec Dt:
03/13/1992
3
BITTNER, FRIEDRICH
Exec Dt:
03/27/1992
4
ROSSLER, GERT
Exec Dt:
03/03/1992
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
A CORP. OF THE FED. REP. OF GERMANY
WEISSFRAUENSTRASSE 9
FRANKFURT AMMAIN, GERMANY 6000
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5250280
NONE
07721779
Correspondence name and address
CUSHMAN, DARBY & CUSHMAN
1615 L ST., N.W., 11TH FL.
WASHINGTON, DC 20036-5601
Assignment: 5
Reel/Frame:007557/0113   Pages: 3
Recorded: 07/28/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BEWERSDORF, MARTIN
Exec Dt:
06/27/1995
2
LOOK-HERBER, PETRA
Exec Dt:
07/04/1995
3
LIESER, THOMAS
Exec Dt:
06/30/1995
4
BERTSCH-FRANK, BIRGIT
Exec Dt:
06/27/1995
5
MULLER, KLAUS
Exec Dt:
07/11/1995
6
KLASEN,CLAAS-JURGEN
Exec Dt:
06/27/1995
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
FRANKFURT AM MAIN, GERMANY 60311
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5560896
NONE
08457435
Correspondence name and address
WILLIAM F. RAUCHOLZ
BEVERIDGE, DEGRANDI, WEILACHER, ET AL.
1850 M STREET, N.W., SUITE 800
WASHINGTON, DC 20036
Assignment: 6
Reel/Frame:007816/0678   Pages: 3
Recorded: 10/02/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERTSCH-FRANK, BIRGIT
Exec Dt:
09/11/1995
2
KLASEN, CLAAS-JUERGEN
Exec Dt:
08/29/1995
3
LIESER, THOMAS
Exec Dt:
08/31/1995
4
MUELLER, KLAUS
Exec Dt:
08/23/1995
5
BEWERSDORF, MARTIN
Exec Dt:
08/29/1995
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
60311 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5658873
NONE
08525782
Correspondence name and address
BEVERIDGE, DEGRANDI, WEILACHER & YOUNG
ROBERT G. WEILACHER
1850 M. STREET, N. W.
SUITE 800
WASHINGTON, D.C. 20036
Assignment: 7
Reel/Frame:007820/0588   Pages: 3
Recorded: 09/28/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CLAAS-JUERGEN
Exec Dt:
08/18/1995
2
BERTSCH-FRANK, BIRGIT
Exec Dt:
09/11/1995
3
LIESER, THOMAS
Exec Dt:
09/14/1995
4
SCHUBERT, PETER
Exec Dt:
09/06/1995
5
MUELLER, KLAUS
Exec Dt:
09/22/1995
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
FRANKFURT AM MAIN, GERMANY 60311
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5632965
NONE
08507279
Correspondence name and address
BEVERIDGE, DEGRANDI, WEILACHER & YOUNG
ROBERT G. WEILACHER
1850 M STREET, N.W.
SUITE 800
WASHINGTON, D.C. 20036
Assignment: 8
Reel/Frame:007954/0925   Pages: 4
Recorded: 04/05/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERTSCH-FRANK, BIRGIT
Exec Dt:
01/26/1996
2
BEWERSDORF, MARTIN
Exec Dt:
01/17/1996
3
KLASEN, CLAAS-JUERGEN
Exec Dt:
01/11/1996
4
LIESER, THOMAS
Exec Dt:
01/17/1996
5
MUELLER, KLAUS
Exec Dt:
01/11/1996
6
ROLLMANN, JUERGEN
Exec Dt:
01/16/1996
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
60311 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5902682
NONE
08586597
Correspondence name and address
BEVERIDGE, DEGRANDI, WEILACHER & YOUNG
ROBERT G. WEILACHER
1850 M STREET, N.W.
SUITE 800
WASHINGTON, DC 20036
Assignment: 9
Reel/Frame:008234/0647   Pages: 3
Recorded: 09/13/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BEWERSDORF, MARTIN
Exec Dt:
08/27/1995
2
BERTSCH-FRANK, BIRGIT
Exec Dt:
09/05/1996
3
LORTZ, WOLFGANG
Exec Dt:
09/10/1996
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
60311 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5714201
NONE
08713649
Correspondence name and address
BEVERIDGE, DEGRANDI, WEILACHER & YOUNG
ROBERT G. WEILACHER
1850 M STREET, N.W.
SUITE 800
WASHINGTON, DC 20036
Assignment: 10
Reel/Frame:009957/0062   Pages: 3
Recorded: 05/17/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOHLEN, RAINER
Exec Dt:
03/10/1999
2
KAISER, LOTHAR
Exec Dt:
03/16/1999
3
RUHS, ALEXANDER
Exec Dt:
03/15/1999
4
BERTSCH-FRANK, BIRGIT
Exec Dt:
03/17/1999
Assignee
1
DEGUSSA-HULS AKTIENGESELLSCHAFT, MARL
POSTFACH 1345
DE-63403 HANAU, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6290775
NONE
09257253
Correspondence name and address
WENDEROTH, LIND & PONACK, L.L.P.
WARREN M. CHEEK, JR.
2033 K STREET, N.W., SUITE 800
WASHINGTON, DC 20006
Assignment: 11
Reel/Frame:010028/0613   Pages: 4
Recorded: 07/01/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERTSCH-FRANK, BIRGIT
Exec Dt:
04/20/1999
2
BALDUF, TORSTEN
Exec Dt:
05/10/1999
3
BECKER-BALFANZ, CATRIN
Exec Dt:
06/30/1999
4
HEMME, INA
Exec Dt:
04/27/1999
5
ROLLMANN, JURGEN
Exec Dt:
04/20/1999
6
SCHUTTE, RUDIGER
Exec Dt:
05/04/1999
7
WILDNER, WERNER
Exec Dt:
04/22/1999
Assignee
1
DEGUSSA-HULS AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
60311 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6117409
NONE
09289603
Correspondence name and address
SMITH, GAMBRELL & RUSSELL, LLP
ROBERT G. WEILACHER
SUITE 800
1850 M STREET N.W.
WASHINGTON, D.C. 20036
Assignment: 12
Reel/Frame:010362/0490   Pages: 4
Recorded: 11/02/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERTSCH-FRANK, BIRGIT
Exec Dt:
07/13/1999
2
BEWERSDORF, MARTIN
Exec Dt:
07/19/1999
3
KAISER, LOTHAR
Exec Dt:
07/28/1999
4
KOHLEN, RAINER
Exec Dt:
08/08/1999
5
OVERDICK, RALPH
Exec Dt:
07/14/1999
6
SCHEIBE, MICHAEL
Exec Dt:
08/02/1999
Assignee
1
DEGUSSA-HULS AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
60311 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6239095
NONE
09348008
Correspondence name and address
SMITH, GAMBRELL & RUSSELL, LLP
ROBERT G. WEILACHER
SUITE 800, 1850 M STREET, N.W.
WASHINGTON, D.C. 20036
Assignment: 13
Reel/Frame:010981/0258   Pages: 2
Recorded: 08/03/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERTSCH-FRANK, BIRGIT
Exec Dt:
04/17/2000
2
HEMME, INA
Exec Dt:
04/06/2000
3
VON HIPPEL, LUKAS
Exec Dt:
04/14/2000
4
KATUSIC, STIPPAN
Exec Dt:
04/05/2000
5
ROLLMANN, JURGEN
Exec Dt:
04/05/2000
Assignee
1
DEGUSSA-HULS AG
WEISSFRAUENSTRASSE 9
D-60311 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6387346
NONE
09531270
Correspondence name and address
PILLSBYRY MADISON & SUTRO LLP
RUTH N. MORDUCH
INTELLECTUAL PROPERTY GROUP
1100 NEW YORK AVENUE, NW, NINTH FLOOR
WASHINGTON, DC 20005-3918
Assignment: 14
Reel/Frame:012693/0140   Pages: 13
Recorded: 03/18/2002
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE INVENTOR'S NAME, PREVIOUSLY RECORDED AT REEL 010981, FRAME 0258.
Assignors
1
BERTSCH-FRANK, BIRGIT
Exec Dt:
04/17/2000
2
HEMME, INA
Exec Dt:
04/06/2000
3
VON HIPPEL, LUKAS
Exec Dt:
04/14/2000
4
KATUSIC, STIPAN
Exec Dt:
04/05/2000
5
ROLLMANN, JURGEN
Exec Dt:
04/05/2000
Assignee
1
DEGUSSA-HULS AG
WEISSFRAUENSTRASSE 9
D-60311 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6387346
NONE
09531270
Correspondence name and address
PILLSBURY WINTHROP LLP
MICHAEL A. SANZO
1600 TYSONS BLVD.
IP GROUP
MCLEAN, VA 22120
Assignment: 15
Reel/Frame:011646/0652   Pages: 3
Recorded: 03/28/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERTSCH-FRANK, BIRGIT
Exec Dt:
02/20/2001
2
HEMME, INA
Exec Dt:
03/06/2001
3
ROLLMANN, JURGEN
Exec Dt:
03/05/2001
4
KATUSIC, STIPAN
Exec Dt:
03/20/2001
5
BALDUF, TORSTEN
Exec Dt:
02/23/2001
6
BECKER, CATRIN
Exec Dt:
03/01/2001
7
WILDNER, WERNER
Exec Dt:
03/01/2001
8
SCHUTTE, RUDIGER
Exec Dt:
02/28/2001
Assignee
1
DEGUSSA-HULS AKTIENGESELLSCHAFT
DE-60287 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20010024634
09792064
Correspondence name and address
PILLSBURY WINTHROP LLP
ANN S. HOBBS
INTELLECTUAL PROPERTY GROUP
1100 NEW YORK AVENUE, N.W., NINTH FLOOR
WASHINGTON, D.C. 20005-3918
Assignment: 16
Reel/Frame:012324/0244   Pages: 4
Recorded: 11/19/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHUTTE, RUDIGER
Exec Dt:
09/03/2001
2
BALDUF, TORSTEN
Exec Dt:
09/06/2001
3
BECKER, CATRIN
Exec Dt:
09/03/2001
4
HEMME, INA
Exec Dt:
09/11/2001
5
BERTSCH-FRANK, BIRGIT
Exec Dt:
09/06/2001
6
WILDNER, WERNER
Exec Dt:
09/06/2001
7
ROLLMANN, JURGEN
Exec Dt:
09/12/2001
8
MARKOWZ, GEORG
Exec Dt:
09/03/2001
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
D-40474 DUSSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7332139
US20020028164
09934085
Correspondence name and address
SMITH, GAMBRELL & RUSSELL, LLP
ROBERT G. WEILACHER
INTELLECTUAL PROPERTY GROUP
1850 M STREET, N.W., SUITE 800
WASHINGTON, DC 20036
Assignment: 17
Reel/Frame:012347/0918   Pages: 3
Recorded: 12/04/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JAKOB, HARALD
Exec Dt:
11/06/2001
2
BERTSCH-FRANK, BIRGIT
Exec Dt:
11/08/2001
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1, DE-40474
DUSSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7041267
US20020041843
09961395
Correspondence name and address
PILLSBURY WINTHROP LLP
MICHAEL A. SANZO
1600 TYSONS BOULEVARD
INTELLECTUAL PROPERTY GROUP
MCLEAN, VA 22102

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