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Patent Assignment Assignor Details
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Assignor Name : HASSELBACH, HANS-JOACHIM
Total Assignments: 14
Assignment: 1
Reel/Frame:005674/0458   Pages: 3
Recorded: 04/24/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HASSELBACH, HANS-JOACHIM
Exec Dt:
03/18/1991
2
KLEEMAN, AXEL
Exec Dt:
03/19/1991
3
KLENK, HERBERT
Exec Dt:
03/19/1991
4
WEIGEL, HORST
Exec Dt:
03/18/1991
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT, WEISSFRAUEN-STRASSE 9, 6000 FRANKFURT AM MAIN, GERMANY A CORP OF GERMANY
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5049283
NONE
07483048
Correspondence name and address
CUSHMAN, DARBY & CUSHMAN
11TH FL., 1615 L STREET, N. W.
WASHINGTON, DC 20036
Assignment: 2
Reel/Frame:008397/0478   Pages: 7
Recorded: 03/11/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GEIGER, FRIEDHELM
Exec Dt:
01/22/1997
2
HALSBERGHE, BAUDOUIN
Exec Dt:
12/23/1996
3
HASSELBACH, HANS-JOACHIM
Exec Dt:
12/18/1996
4
HENTSCHEL, KLAUS
Exec Dt:
12/20/1996
5
HUTHMACHER, KLAUS
Exec Dt:
12/17/1996
6
KORFER, MARTIN
Exec Dt:
01/17/1997
7
MANNSFELD, SVEN-PETER
Exec Dt:
12/20/1996
8
TANNER, HERBERT
Exec Dt:
12/20/1996
9
THEISSEN, FERDINAND
Exec Dt:
01/20/1997
10
VANROBAEYS, JOSE
Exec Dt:
01/27/1997
11
WILLIGERODT, KLAUS
Exec Dt:
01/06/1997
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
D-60311 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5770769
NONE
08768624
Correspondence name and address
CUSHMAN DARBY & CUSHMAN
KEVIN E. JOYCE
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, D.C. 20005-3918
Assignment: 3
Reel/Frame:008544/0254   Pages: 13
Recorded: 06/06/1997
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT ASSIGNOR'S NAME. AN ASSIGNMENT WAS PREVIOUSLY RECORDED AT REEL 8397, FRAME 0478.
Assignors
1
GEIGER, FRIEDHELM
Exec Dt:
01/22/1997
2
HALSBERGHE, BAUDOUIN
Exec Dt:
12/23/1996
3
HASSELBACH, HANS-JOACHIM
Exec Dt:
12/18/1996
4
HENTSCHEL, KLAUS
Exec Dt:
12/20/1996
5
HUTHMACHER, KLAUS
Exec Dt:
12/17/1996
6
KORFER, MARTIN
Exec Dt:
01/01/1997
7
MANNSFELD, SVEN-PETER
Exec Dt:
12/20/1996
8
TANNER, HERBERT
Exec Dt:
12/20/1996
9
THEISSEN, FERDINAND
Exec Dt:
01/20/1997
10
VANROBAEYS, JOSE
Exec Dt:
01/27/1997
11
WILLIGERODT, KLAUS
Exec Dt:
01/06/1997
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9,
D-60311 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5770769
NONE
08768624
Correspondence name and address
CUSHMAN DARBY & CUSHMAN
KEVIN E. JOYCE
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, D.C. 20005-3918
Assignment: 4
Reel/Frame:009033/0062   Pages: 7
Recorded: 03/09/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GEIGER, FRIEDHELM
Exec Dt:
01/22/1997
2
HALSBERGHE, BAUDOUIN
Exec Dt:
12/23/1996
3
HASSELBACH, HANS-JOACHIM
Exec Dt:
12/18/1996
4
HENTSCHEL, KLAUS
Exec Dt:
12/20/1996
5
HUTHMACHER, KLAUS
Exec Dt:
12/17/1996
6
KORFER, MARTIN
Exec Dt:
01/17/1997
7
TANNER, HERBERT
Exec Dt:
12/20/1996
8
THEISSEN, FERDINAND
Exec Dt:
01/20/1997
9
VANROBAEYS, JOSE
Exec Dt:
01/27/1997
10
MANNSFELD, SVEN-PETER
Exec Dt:
12/20/1996
11
WILLIGERODT, KLAUS
Exec Dt:
01/06/1997
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
D-60311 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5990349
NONE
09037020
Correspondence name and address
PILLSBURY MADISON & SUTRO LLP
ANN S. HOBBS
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, D.C. 20005-3918
Assignment: 5
Reel/Frame:008951/0184   Pages: 3
Recorded: 12/29/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HASSEBERG, HANS-ALBRECHT
Exec Dt:
12/02/1997
2
HASSELBACH, HANS-JOACHIM
Exec Dt:
12/05/1997
3
HUTHMACHER, KLAUS
Exec Dt:
12/04/1997
4
HAFNER, VOLKER
Exec Dt:
12/03/1997
5
HEINZEL, HARALD
Exec Dt:
12/09/1997
6
RONNEBURG, AXEL
Exec Dt:
12/03/1997
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
D-60311 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6008409
NONE
08999000
Correspondence name and address
CUSHMAN DARBY & CUSHMAN
RUTH N. MORDUCH
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, D.C. 20005-3918
Assignment: 6
Reel/Frame:010768/0566   Pages: 3
Recorded: 05/05/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KRILL, STEFFEN
Exec Dt:
05/27/1999
2
KRETZ, STEPHAN
Exec Dt:
05/31/1999
3
HASSELBACH, HANS-JOACHIM
Exec Dt:
07/06/1999
4
HUTHMACHER, KLAUS
Exec Dt:
05/27/1999
5
HAHN, RAINER
Exec Dt:
06/01/1999
6
SCHMITT, HERMANN
Exec Dt:
06/01/1999
Assignee
1
DEGUSSA-HULS AKTIENGESELLSCHAFT
PATENTE UND MARKEN, POSTFACH 1345
DE-63403 HANAU, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6265617
NONE
09310971
Correspondence name and address
PILLSBURY MADISON & SUTRO LLP
RUTH N. MORDUCH
INTELLECTUAL PROPERTY GROUP
1100 NEW YORK AVENUE, NW, NINTH FLOOR
WASHINGTON, DC 20005-3918
Assignment: 7
Reel/Frame:015569/0677   Pages: 5
Recorded: 01/14/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MOLLER, ALEXANDER
Exec Dt:
11/25/2004
2
BOCK, WOLFGANG
Exec Dt:
11/26/2004
3
RAUTENBERG, STEPHAN
Exec Dt:
12/01/2004
4
HASSELBACH, HANS-JOACHIM
Exec Dt:
11/26/2004
5
TAUGNER, WOLFGANG
Exec Dt:
12/03/2004
6
HEINZEL, HARALD
Exec Dt:
12/01/2004
7
ZARFL, THEO
Exec Dt:
12/01/2004
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DUESSELDORF, GERMANY DE-40474
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7199270
US20050137426
11016130
Correspondence name and address
ROBERT G. WEILACHER, ESQ.
1230 PEACHTREE STREET, N.E.
SUITE 3100, PROMENADE II
ATLANTA, GA 30309-3592
Assignment: 8
Reel/Frame:016636/0329   Pages: 9
Recorded: 08/12/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BUSS, DIETER
Exec Dt:
03/04/2005
2
STOCKFLETH, RON
Exec Dt:
07/20/2005
3
KORFER, MARTIN
Exec Dt:
03/21/2005
4
STOCK, JURGEN
Exec Dt:
03/08/2005
5
GOEDECKE, RALF
Exec Dt:
03/08/2005
6
HASSELBACH, HANS-JOACHIM
Exec Dt:
04/07/2005
7
HORNUNG, GUNDOLF
Exec Dt:
03/18/2005
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DE-40474 DUSSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7119228
US20050267314
11054424
Correspondence name and address
MICHAEL A. SANZO
FITCH, EVEN, TABIN & FLANNERY
1801 K STREET, N.W.
SUITE 401L
WASHINGTON, D.C. 20006-1201
Assignment: 9
Reel/Frame:016532/0001   Pages: 3
Recorded: 09/14/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HASSELBACH, HANS-JOACHIM
Exec Dt:
08/12/2005
2
VANROBAEYS, JOSE
Exec Dt:
08/12/2005
3
KORFER, MARTIN
Exec Dt:
08/18/2005
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DUESSELDORF, GERMANY DE-40474
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7655072
US20060016334
11185367
Correspondence name and address
ROBERT G. WEILACHER, ESQ.
1230 PEACHTREE STREET, N.E.
SUITE 3100, PROMENADE II
ATLANTA, GA 30309-3592
Assignment: 10
Reel/Frame:050718/0892   Pages: 38
Recorded: 10/14/2019
Attorney Dkt #:000887US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERNHARDT, SEBASTIAN
Exec Dt:
07/11/2019
2
KÖRFER, MARTIN
Exec Dt:
07/08/2019
3
REICHERT, STEFAN
Exec Dt:
07/08/2019
4
HASSELBACH, HANS-JOACHIM
Exec Dt:
07/05/2019
5
DRAPAL, BERND
Exec Dt:
07/09/2019
6
PETER, RAINER
Exec Dt:
07/08/2019
7
KAISER, CHRISTIAN
Exec Dt:
07/09/2019
8
HARTONO, BENNY
Exec Dt:
09/13/2019
9
JAKOB, HARALD
Exec Dt:
07/07/2019
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10919848
US20200039928
16605075
Correspondence name and address
GRUNEBERG AND MYERS PLLC
1775 TYSONS BLVD
5TH FLOOR
TYSONS, VA 22102
Assignment: 11
Reel/Frame:058410/0647   Pages: 5
Recorded: 12/16/2021
Attorney Dkt #:539847US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEFER, JOHANNES
Exec Dt:
10/08/2021
2
HASSELBACH, HANS-JOACHIM
Exec Dt:
10/10/2021
3
WINKLER, TOBIAS
Exec Dt:
10/15/2021
4
DE CORTE, DANNY
Exec Dt:
10/15/2021
5
DRAPAL, BERND
Exec Dt:
10/15/2021
6
MOUSSALLEM, IMAD
Exec Dt:
10/15/2021
7
RENNER, CHRISTIAN
Exec Dt:
10/15/2021
8
RÜCKRIEGEL, CHRISTIAN
Exec Dt:
10/22/2021
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220306574
17619911
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 12
Reel/Frame:060808/0755   Pages: 8
Recorded: 08/15/2022
Attorney Dkt #:544217US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAMMERSEN, THOMAS
Exec Dt:
06/10/2022
2
HARTONO, BENNY
Exec Dt:
06/03/2022
3
HASSELBACH, HANS-JOACHIM
Exec Dt:
06/03/2022
4
DE CORTE, DANNY
Exec Dt:
06/03/2022
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230100001
17904252
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 13
Reel/Frame:067223/0293   Pages: 8
Recorded: 04/25/2024
Attorney Dkt #:547222US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HASSELBACH, HANS-JOACHIM
Exec Dt:
12/15/2022
2
REICHERT, STEFAN
Exec Dt:
12/19/2022
3
HANSMEIER, ANTJE
Exec Dt:
12/15/2022
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230391720
18248667
Correspondence name and address
OBLON ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 14
Reel/Frame:064061/0369   Pages: 10
Recorded: 06/26/2023
Attorney Dkt #:547806US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BRAUNE, SASCHA
Exec Dt:
04/18/2023
2
VAN EESTER, GEERT
Exec Dt:
03/27/2023
3
HASSELBACH, HANS-JOACHIM
Exec Dt:
03/24/2023
4
DYBALLA, CLAUDIA
Exec Dt:
05/08/2023
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240083858
18259356
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314

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