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Patent Assignment Assignor Details
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Assignor Name : LEYRER, JURGEN
Total Assignments: 8
Assignment: 1
Reel/Frame:006553/0697   Pages: 3
Recorded: 05/04/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEYRER, JURGEN
Exec Dt:
03/23/1993
2
LOX, EGBERT
Exec Dt:
03/25/1993
3
ENGLER, BERND
Exec Dt:
03/25/1993
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
6000 FRANKFURT AM MAIN 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5354720
NONE
08026127
Correspondence name and address
ROBERT G. WEILACHER
1850 M STREET, N.W.
SUITE 800
WASHINGTON, D.C. 20036
Assignment: 2
Reel/Frame:008740/0979   Pages: 3
Recorded: 09/22/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEYRER, JURGEN
Exec Dt:
04/22/1997
2
LINDNER, DIETER
Exec Dt:
04/25/1997
3
LOX, EGBERT
Exec Dt:
04/25/1997
4
KREUZER, THOMAS
Exec Dt:
04/29/1997
5
MULLER, WILFRIED
Exec Dt:
04/29/1997
6
DOMESLE, RAINER
Exec Dt:
04/29/1997
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
60311 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5928981
NONE
08838846
Correspondence name and address
BEVERIDGE DEGRANDI WEILACHER & YOUNG LLP
ROBERT G. WEILACHER
1850 M STREET, N.W., SUITE 800
WASHINGTON, DC 20036
Assignment: 3
Reel/Frame:009191/0695   Pages: 3
Recorded: 05/05/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN DEN TILLAART, HANS
Exec Dt:
12/05/1997
2
LEYRER, JURGEN
Exec Dt:
12/24/1997
3
LOX, EGBERT
Exec Dt:
12/09/1997
4
KREUZER, THOMAS
Exec Dt:
12/12/1997
5
ECKHOFF, STEPHAN
Exec Dt:
12/15/1997
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
60311 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6001318
NONE
08996215
Correspondence name and address
BEVERIDGE, DEGRANDI, WEILACHER, ET AL.
ROBERT G. WEILACHER
1850 M STREET, N.W., SUITE 800
WASHINGTON, DC 20036
Assignment: 4
Reel/Frame:009363/0085   Pages: 3
Recorded: 07/20/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEYRER, JURGEN
Exec Dt:
05/09/1998
2
KLEIN, HARALD
Exec Dt:
04/28/1998
3
LOX, EGBERT
Exec Dt:
04/28/1998
4
KREUZER, THOMAS
Exec Dt:
04/28/1998
5
RIED, THOMAS
Exec Dt:
04/28/1998
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
FRANKFURT AM MAIN, GERMANY 60311
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20010001647
09070784
Correspondence name and address
BEVERIDGE, DEGRANDI, WEILACHER ET AL
ROBERT G. WEILACHER
1850 M STREET, N.W.
SUITE 800
WASHINGTON, D.C. 20036
Assignment: 5
Reel/Frame:010391/0311   Pages: 4
Recorded: 11/22/1999
Conveyance: RE-RECORD TO CORRECT THE EXECUTION DATES, PREVIOUSLY RECORDED AT REEL 010177, FRAME 0484.
Assignors
1
MULLER, WILFRIED
Exec Dt:
12/02/1998
2
OSTGATHE, KLAUS
Exec Dt:
12/14/1998
3
LEYRER, JURGEN
Exec Dt:
12/02/1998
4
LOX, EGBERT
Exec Dt:
12/02/1998
5
DOMESLE, RAINER
Exec Dt:
12/02/1998
6
KREUZER, THOMAS
Exec Dt:
12/10/1998
Assignee
1
DEGUSSA-HUIS AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
60311 FRANKFURT AM MEIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6220022
NONE
09180112
Correspondence name and address
BEVERIDGE, DEGRANDI, WEILACHER & YOUNG
ROBERT G. WEILACHER
1850 M STREET, N.W.
SUITE 800
WASHINGTON, DC 20036
Assignment: 6
Reel/Frame:010177/0484   Pages: 3
Recorded: 08/04/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MULLER, WILFRIED
Exec Dt:
12/02/1998
2
OSTGATHE, KLAUS
Exec Dt:
12/12/1998
3
LEYRER, JURGEN
Exec Dt:
12/12/1998
4
LOX, EGBERT
Exec Dt:
12/12/1998
5
DOMESLE, RAINER
Exec Dt:
12/12/1998
6
KREUZER, THOMAS
Exec Dt:
12/14/1998
Assignee
1
DEGUSSA-HULS AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
60311 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6220022
NONE
09180112
Correspondence name and address
BEVERIDGE, DEGRANDI ET AL
INTELLECTUAL PROPERTY GROUP
ROBERT G. WEILACHER
1850 M STREET, N.W., SUITE 800
WASHINGTON, D.C. 20036
Assignment: 7
Reel/Frame:010358/0974   Pages: 4
Recorded: 10/28/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN DEN TILLAART, HANS
Exec Dt:
08/16/1999
2
LEYRER, JURGEN
Exec Dt:
08/24/1999
3
STREHLAU, WOLFGANG
Exec Dt:
08/31/1999
4
LOX, EGBERT
Exec Dt:
08/16/1999
5
KREUZER, THOMAS
Exec Dt:
08/19/1999
6
PLOG, CARSTEN
Exec Dt:
08/31/1999
7
ANDORF, RENATO
Exec Dt:
09/21/1999
8
MARKERT, NORBERT
Exec Dt:
09/27/1999
9
STENGEL, THOMAS
Exec Dt:
09/27/1999
Assignee
1
DEGUSSA-HULS AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
60311 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6534439
US20010053341
09345787
Correspondence name and address
SMITH, GAMBRELL & RUSSELL, LLP
ROBERT G. WEILACHER
1850 M STREET, N.W., SUITE 800
WASHINGTON, D.C. 20036
Assignment: 8
Reel/Frame:012108/0159   Pages: 3
Recorded: 08/23/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HARRIS, MICHAEL
Exec Dt:
07/30/2001
2
LEYRER, JURGEN
Exec Dt:
08/07/2001
3
DEMEL, YVONNE
Exec Dt:
07/31/2001
4
LOX, EGBERT
Exec Dt:
08/06/2001
5
KREUZER, THOMAS
Exec Dt:
07/31/2001
Assignee
1
DMC2 DEGUSSA METALS CATALYSTS CERDEC AG
WEISSFRAUENSTRASSE 9
60287 FRANKFURT AM MAIN 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6713031
US20020025905
09851417
Correspondence name and address
SMITH, GAMBRELL & RUSSELL, LLP
1850 M STREET, N.W., SUITE 800
WASHINGTON, D.C. 20036

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