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Patent Assignment Assignor Details
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Assignor Name : WIETZORECK, HARDY
Total Assignments: 17
Assignment: 1
Reel/Frame:005429/0518   Pages: 3
Recorded: 08/21/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BLUMLHUBER, GEORG
Exec Dt:
08/14/1990
2
GEHMECKER, HORST
Exec Dt:
08/14/1990
3
HAUFFE, DIETER
Exec Dt:
08/14/1990
4
KAUL, LOTHAR
Exec Dt:
08/14/1990
5
NITSCHKE, THOMAS
Exec Dt:
08/14/1990
6
RAUSCH, WERNER
Exec Dt:
08/14/1990
7
WIETZORECK, HARDY
Exec Dt:
08/14/1990
Assignee
1
METALLGESELLSCHAFT AKTIENGESELLSCHAFT, FEDERAL REPUBLIC OF GERMANY
REUTERWEG 14
D-6000 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5203930
NONE
07570350
Correspondence name and address
FELFE & LYNCH
805 THIRD AVENUE
NEW YORK, NY 10022
Assignment: 2
Reel/Frame:008038/0912   Pages: 5
Recorded: 07/08/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BITTNER, KLAUS
Exec Dt:
06/04/1996
2
WIETZORECK, HARDY
Exec Dt:
06/21/1996
3
JANSEN, WALTER J.M.
Exec Dt:
06/23/1996
4
MOHR, PETER-KLAUS
Exec Dt:
06/04/1996
5
WENDEL, THOMAS
Exec Dt:
06/21/1996
Assignee
1
METALLGESELLSCHAFT AKTIENGESELLSCHAFT
LURGI-ALLEE
FRANKFURT, GERMANY 60323
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5795408
NONE
08596220
Correspondence name and address
MICHAEL J. STRIKER
360 LEXINGTON AVENUE
NEW YORK, NY 10017
Assignment: 3
Reel/Frame:009065/0300   Pages: 3
Recorded: 06/06/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WENDEL, THOMAS
Exec Dt:
05/07/1997
2
WIETZORECK, HARDY
Exec Dt:
05/07/1997
3
BITTNER, KLAUS
Exec Dt:
04/27/1997
4
SCHIEFER, PETER
Exec Dt:
04/14/1997
5
SCHINZEL, MARCUS
Exec Dt:
04/14/1997
6
HULSMANN, HELMUT
Exec Dt:
04/14/1997
Assignee
1
METALLGESELLSCHAFT AKTIENGESELLSCHAFT
REUTERWEG 14
D-60323 FRANKFURT/MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5904786
NONE
08860350
Correspondence name and address
THE FIRM OF KARL F. ROSS P.C.
HERBERT DUBNO
5676 RIVERDALE AVENUE, BOX 900
RIVERDALE (BRONX), NY 10471-0900
Assignment: 4
Reel/Frame:012642/0179   Pages: 3
Recorded: 02/26/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIETZORECK, HARDY
Exec Dt:
11/16/2001
2
BITTNER, KLAUS
Exec Dt:
11/16/2001
3
KOLBERG, THOMAS
Exec Dt:
11/16/2001
4
WEGNER, MARION
Exec Dt:
11/16/2001
5
WENDEL, THOMAS
Exec Dt:
11/16/2001
6
SCHULLERMANN, GERRIT
Exec Dt:
11/16/2001
Assignee
1
CHEMETALL GMBH
TRAKEHNER STRASSE 3
D-60487 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7208053
US20040231755
09980910
Correspondence name and address
FULBRIGHT, JAWORSKI L.L.P.
JAMES R. CRAWFORD
666 FIFTH AVENUE
NEW YORK, NY 10103
Assignment: 5
Reel/Frame:012646/0598   Pages: 4
Recorded: 02/26/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WENDEL, THOMAS
Exec Dt:
11/16/2001
2
BITTNER, KLAUS
Exec Dt:
11/16/2001
3
WIETZORECK, HARDY
Exec Dt:
11/16/2001
4
MULLER, PETER
Exec Dt:
11/20/2001
Assignee
1
CHEMETALL GMBH
TRAKEHNER STRASSE 3
D-60487 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6562148
NONE
10018165
Correspondence name and address
FULBRIGHT & JAWORSKI L.L.P.
JAMES R. CRAWFORD
666 FIFTH AVENUE
NEW YORK, N.Y. 10103
Assignment: 6
Reel/Frame:014046/0470   Pages: 4
Recorded: 05/09/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIETZORECK, HARDY
Exec Dt:
03/21/2003
2
JUNG, CHRISTIAN
Exec Dt:
03/21/2003
3
SHIMAKURA, TOSHIAKI
Exec Dt:
04/01/2003
4
MAURUS, NORBERT
Exec Dt:
03/21/2003
5
DOMES, HERIBERT
Exec Dt:
03/24/2003
6
BITTNER, KLAUS
Exec Dt:
03/21/2003
7
KOLBERG, THOMAS
Exec Dt:
03/21/2003
8
SCHINZEL, MARCUS
Exec Dt:
03/21/2003
Assignee
1
CHEMETALL GMBH
TRAKEHNER STRASSE 3
D-60487 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7615257
US20040062873
10362403
Correspondence name and address
FULBRIGHT & JAWORSKI L.L.P.
JAMES R. CRAWFORD
666 FIFTH AVENUE
NEW YORK, NY 10103
Assignment: 7
Reel/Frame:014050/0205   Pages: 4
Recorded: 05/13/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BITTNER, KLAUS
Exec Dt:
03/21/2003
2
DOMES, HERIBERT
Exec Dt:
03/21/2003
3
WIETZORECK, HARDY
Exec Dt:
03/21/2003
4
JUNG, CHRISTIAN
Exec Dt:
03/21/2003
5
SHIMAKURA, TOSHIAKI
Exec Dt:
03/21/2003
Assignee
1
CHEMETALL GMBH
TRAKEHNER STRASSE 3
D-60487 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040054044
10362626
Correspondence name and address
FULBRIGHT & JAWORSKI L.L.P.
JAMES R. CRAWFORD
666 FIFTH AVENUE
NEW YORK, NY 10103
Assignment: 8
Reel/Frame:014548/0586   Pages: 5
Recorded: 10/03/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BITTNER, KLAUS
Exec Dt:
03/21/2003
2
DOMES, HERIBERT
Exec Dt:
03/21/2003
3
WIETZORECK, HARDY
Exec Dt:
03/21/2003
4
JUNG, CHRISTIAN
Exec Dt:
03/21/2003
5
SHIMAKURA, TOSHIAKI
Exec Dt:
03/21/2003
Assignee
1
CHEMETALL GMBH
TRAKENHER STRASSE 3
D-60487 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040054044
10362626
Correspondence name and address
FULBRIGHT & JAWORSKI L.L.P.
JAMES R. CRAWFORD
666 FIFTH AVENUE
NEW YORK, NY 10103
Assignment: 9
Reel/Frame:015410/0319   Pages: 6
Recorded: 06/03/2004
Attorney Dkt #:CHEMMT-218
Conveyance: CORRECTED COVER SHEET TO CORRECT ASSIGNEE'S ADDRESS, PREVIOUSLY RECORDED AT REEL/FRAME 014548/0586 (ASSIGNMENT OF ASSIGNOR'S INTEREST)
Assignors
1
BITTNER, KLAUS
Exec Dt:
03/21/2003
2
DOMES, HERIBERT
Exec Dt:
03/21/2003
3
WIETZORECK, HARDY
Exec Dt:
03/21/2003
4
JUNG, CHRISTIAN
Exec Dt:
03/21/2003
5
SHIMAKURA, TOSHIAKI
Exec Dt:
03/21/2003
Assignee
1
CHEMETALL GMBH
TRAKEHNER STRASSE 3
D-60487 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040054044
10362626
Correspondence name and address
FULBRIGHT & JAWORSKI, L.L.P.
JAMES R. CRAWFORD
666 FIFTH AVENUE
NEW YORK, N.Y. 10103
Assignment: 10
Reel/Frame:014049/0968   Pages: 4
Recorded: 05/13/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BITTNER, KLAUS
Exec Dt:
04/01/2003
2
DOMES, HERIBERT
Exec Dt:
04/01/2003
3
JUNG, CHRISTIAN
Exec Dt:
04/01/2003
4
MAURUS, NORBERT
Exec Dt:
04/01/2003
5
KOLBERG, THOMAS
Exec Dt:
04/01/2003
6
SCHINZEL, MARCUS
Exec Dt:
04/01/2003
7
WIETZORECK, HARDY
Exec Dt:
04/01/2003
8
SHIMAKURA, TOSHIAKI
Exec Dt:
04/22/2003
Assignee
1
CHEMETALL GMBH
TRAKEHNER STRASSE 3
D-60487 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030185990
10380579
Correspondence name and address
FULBRIGHT & JAWORSKI L.L.P.
JAMES R. CRAWFORD
666 FIFTH AVENUE
NEW YORK, NY 10103
Assignment: 11
Reel/Frame:014046/0404   Pages: 4
Recorded: 05/09/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIMAKURA, TOSHIAKI
Exec Dt:
04/07/2003
2
BITTNER, KLAUS
Exec Dt:
04/07/2003
3
DOMES, HERIBERT
Exec Dt:
04/07/2003
4
WIETZORECK, HARDY
Exec Dt:
04/07/2003
5
JUNG, CHRISTIAN
Exec Dt:
04/07/2003
6
KOLBERG, THOMAS
Exec Dt:
04/07/2003
7
MAURUS, NORBERT
Exec Dt:
04/07/2003
8
SCHINZEL, MARCUS
Exec Dt:
04/07/2003
Assignee
1
CHEMETALL GMBH
TRAKEHNER STRASSE 3
FRANKFURT AM MAIN, GERMANY D-60487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040009300
10362388
Correspondence name and address
FULBRIGHT & JAWORSKI L.L.P.
JAMES R. CRAWFORD
666 FIFTH AVENUE
NEW YORK, NY 10103
Assignment: 12
Reel/Frame:014759/0537   Pages: 6
Recorded: 12/04/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOLBERG, THOMAS
Exec Dt:
09/09/2003
2
RENGNET-FERRIER, SEVERINE
Exec Dt:
09/09/2003
3
BITTNER, KLAUS
Exec Dt:
09/09/2003
4
WENDEL, THOMAS
Exec Dt:
09/09/2003
5
WIETZORECK, HARDY
Exec Dt:
09/09/2003
6
SCHULLERMANN, GERRIT
Exec Dt:
09/09/2003
7
SPECHT, JURGEN
Exec Dt:
09/09/2003
Assignee
1
CHEMETALL GMBH
TRAKEHNER STRASSE 3
D-60487 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6473596
NONE
09467850
Correspondence name and address
FULBRIGHT & JAWORSKI L.L.P.
JAMES R. CRAWFORD
666 FIFTH AVENUE
NEW YORK, NY 10103
Assignment: 13
Reel/Frame:014636/0796   Pages: 3
Recorded: 10/30/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOLBERG, THOMAS
Exec Dt:
09/10/2003
2
WIETZORECK, HARDY
Exec Dt:
09/10/2003
3
BITTNER, KLAUS
Exec Dt:
09/12/2003
Assignee
1
CHEMETALL GMBH
TRAKEHNER STRASSE 3
D-60487 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040065389
10467985
Correspondence name and address
FULBRIGHT & JAWORSKI L.L.P.
JAMES R. CRAWFORD
666 FIFTH AVENUE
NEW YORK, NEW YORK 10103
Assignment: 14
Reel/Frame:015574/0451   Pages: 8
Recorded: 07/19/2004
Attorney Dkt #:DNAG-265-US
Conveyance: CORRECTION TO THE SERIAL NUMBER
Assignors
1
KOLBERG, THOMAS
Exec Dt:
09/12/2003
2
RENGNET-FERRIER, SEVERINE
Exec Dt:
10/20/2003
3
BITTNER, KLAUS
Exec Dt:
09/12/2003
4
WENDEL, THOMAS
Exec Dt:
09/12/2003
5
WIETZORECK, HARDY
Exec Dt:
09/12/2003
6
SCHULLERMANN, GERRIT
Exec Dt:
09/12/2003
7
SPECHT, JURGEN
Exec Dt:
09/12/2003
Assignee
1
CHEMETALL GMBH
TRAKENHNER STRASSE 3
FRANKFURT AM MAIN, GERMANY D-60487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040129346
10467850
Correspondence name and address
FULBRIGHT & JAWORSKI L.L.P.
JAMES R. CRAWFORD
666 FIFTH AVENUE
NEW YORK, NY 10103
Assignment: 15
Reel/Frame:017731/0930   Pages: 4
Recorded: 06/02/2006
Attorney Dkt #:DNAG-319 (10604067)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ERIKSSON, MATS
Exec Dt:
05/08/2006
2
WENDEL, THOMAS
Exec Dt:
04/27/2006
3
WIETZORECK, HARDY
Exec Dt:
04/25/2006
Assignee
1
CHEMETALL GMBH
TRAKEHNER STRASSE 3
FRANKFURT AM MAIN, GERMANY D-60487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7897888
US20070227866
11396263
Correspondence name and address
JAMES R. CRAWFORD
FULBRIGHT & JAWORSKI L.L.P.
666 FIFTH AVENUE
NEW YORK, NEW YORK 10103
Assignment: 16
Reel/Frame:038428/0598   Pages: 3
Recorded: 04/13/2016
Attorney Dkt #:OZ-13004 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MROCHEM, MARTIN
Exec Dt:
09/12/2015
2
SPECHT, JÜRGEN
Exec Dt:
09/12/2015
3
WIETZORECK, HARDY
Exec Dt:
09/12/2015
4
DAHLENBURG, OLAF
Exec Dt:
10/12/2015
Assignee
1
CHEMETALL GMBH
TRAKEHNER STR. 3
FRANKFURT AM MAIN, GERMANY D-60487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150361382
14766515
Correspondence name and address
ALBEMARLE CORPORATION
451 FLORIDA STREET
BATON ROUGE, LA 70801-1765
Assignment: 17
Reel/Frame:063345/0077   Pages: 8
Recorded: 04/17/2023
Attorney Dkt #:171380US01 (27843-1571)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAHLENBURG, OLAF
Exec Dt:
09/17/2018
2
WIETZORECK, HARDY
Exec Dt:
09/04/2018
3
SPECHT, JUERGEN
Exec Dt:
09/04/2018
Assignee
1
CHEMETALL GMBH
TRAKEHNER STR. 3,
FRANKFURT, GERMANY 60487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210062346
16964861
Correspondence name and address
CHRISTOPHER M. GOFF
ARMSTRONG TEASDALE LLP
7700 FORSYTH BLVD., SUITE 1800
ST. LOUIS, MO 63105

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