skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : ALT, HANS CHRISTIAN
Total Assignments: 17
Assignment: 1
Reel/Frame:009042/0258   Pages: 3
Recorded: 03/12/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHUTTE, RUDIGER
Exec Dt:
02/04/1998
2
ALT, HANS CHRISTIAN
Exec Dt:
01/20/1998
3
BECKER-BALFANZ, CATRIN
Exec Dt:
01/22/1998
4
SAUER, MANFRED
Exec Dt:
01/26/1998
5
VON HIPPEL, LUKAS
Exec Dt:
01/14/1998
6
FEUER, OLIVER
Exec Dt:
01/15/1998
7
LOROSCH, JURGEN
Exec Dt:
01/30/1998
Assignee
1
DEGUSSA AG
PATENTABTEILUNG, POSTFACH 1345
DE-63403 HANAU, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5958588
NONE
09018894
Correspondence name and address
PILLSBURY MADISON & SUTRO LLP
RUTH N. MORDUCH
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, D.C. 20005-3918
Assignment: 2
Reel/Frame:010147/0128   Pages: 4
Recorded: 07/21/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KORFER, MARTIN
Exec Dt:
05/21/1999
2
ROHLAND, LUTZ
Exec Dt:
05/25/1999
3
BINDER, WOLFRAM
Exec Dt:
05/31/1999
4
HASSELBACH, HANS JOACHIM
Exec Dt:
06/07/1999
5
ALT, HANS CHRISTIAN
Exec Dt:
05/27/1999
6
HUTHMACHER, KLAUS
Exec Dt:
06/08/1999
7
KNIESEL, HEIDEMARIE
Exec Dt:
05/24/1999
Assignee
1
DEGUSSA-HULS AKTIENGESELLSCHAFT
DE-45764 MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6126972
NONE
09309278
Correspondence name and address
PILLSBURY MADISON & SUTRO LLP
ANN S. HOBBS, PH.D.
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, DC 20005-3918
Assignment: 3
Reel/Frame:013474/0719   Pages: 3
Recorded: 11/08/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALT, HANS CHRISTIAN
Exec Dt:
06/24/2002
2
GEISSELMANN, ANDREAS
Exec Dt:
06/25/2002
3
LANSINK ROTGERINK, HERMANUS GERHARDUS JOZEF
Exec Dt:
06/20/2002
4
HINRICHS, NATALIA
Exec Dt:
06/20/2002
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
D-40474 DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030037415
10188113
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND & ET AL
C. IRVIN MCCLELLAND
1755 JEFFERSON DAVIS HIGHWAY
FOURTH FLOOR
ARLINGTON, VA 22202
Assignment: 4
Reel/Frame:013692/0829   Pages: 3
Recorded: 01/24/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALT, HANS CHRISTIAN
Exec Dt:
11/29/2002
2
HARTHUN, ANDREAS
Exec Dt:
12/04/2002
3
LUETHI, JOACHIM
Exec Dt:
01/06/2003
4
GOELZ, ANDREAS
Exec Dt:
11/29/2002
5
SCHULZE, STEFAN
Exec Dt:
12/06/2002
6
WILLE, MARTIN
Exec Dt:
11/29/2002
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DUSSELDORF, 40474, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7732008
US20030091737
10270116
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 5
Reel/Frame:014707/0747   Pages: 3
Recorded: 11/14/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALT, HANS CHRISTIAN
Exec Dt:
10/22/2003
2
GOLZ, ANDREAS
Exec Dt:
10/16/2003
3
ALIG, ALFRED
Exec Dt:
10/16/2003
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DE-40474 DUSSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040109819
10714678
Correspondence name and address
SMITH, GAMBRELL & RUSSELL, LLP
ROBERT G. WEILCHER, ESQ.
SUITE 3100, PROMENADE II
1230 PEACHTREE STREET, N.E.
ATLANTA, GA 30309-3592
Assignment: 6
Reel/Frame:014717/0034   Pages: 3
Recorded: 11/14/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALT, HANS CHRISTIAN
Exec Dt:
10/22/2003
2
GOLZ, ANDREAS
Exec Dt:
10/16/2003
3
ALIG, ALFRED
Exec Dt:
10/16/2003
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DUSSELDORF, GERMANY DE-4047
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7011806
US20040109818
10714382
Correspondence name and address
SMITH, GAMBRELL & RUSSELL
ROBERT G. WEILACHER
1230 PEACHTREE STREET, N.E.
ATLANTA, GA 30309-3592
Assignment: 7
Reel/Frame:015247/0768   Pages: 2
Recorded: 10/14/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALT, HANS CHRISTIAN
Exec Dt:
08/13/2004
2
STOCKHAMMER,STEFAN
Exec Dt:
08/30/2004
3
STOCKHAMMER,STEFAN
Exec Dt:
08/30/2004
4
POHLISCH, JOACHIM
Exec Dt:
08/03/2004
5
KLASEN, CLAAS-JURGEN
Exec Dt:
08/13/2004
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DE-40474 DUSSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7521080
US20050025878
10887303
Correspondence name and address
PILLSBURY WINTHROP LLP
INTELLECTUAL PROPERTY GROUP
P.O. BOX 10500
MCLEAN, VA 22102
Assignment: 8
Reel/Frame:015247/0819   Pages: 2
Recorded: 10/14/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALT, HANS CHRISTIAN
Exec Dt:
08/13/2004
2
STOCKHAMMER, STEFAN
Exec Dt:
08/30/2004
3
MOLL, MATTHIAS
Exec Dt:
09/07/2004
4
POHLISCH, JOACHIM
Exec Dt:
08/03/2004
5
KLASEN, CLAAS-JURGEN
Exec Dt:
08/13/2004
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DE-40474 DUSSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7521080
US20050025878
10887303
Correspondence name and address
PILLSBURY WINTHROP LLP
THOMAS A. CAWLEY, JR., PH.D.
INTELLECTUAL PROPERTY GROUP
P.O. BOX 10500
MCLEAN, VA 22102
Assignment: 9
Reel/Frame:016381/0714   Pages: 2
Recorded: 03/14/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CROSSMANN, IVO
Exec Dt:
02/21/2005
2
ALT, HANS CHRISTIAN
Exec Dt:
03/02/2005
Assignee
1
WACKER-CHEMIE GMBH
HANNS-SEIDEL-PLATZ
MUNCHEN, GERMANY D-81737
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050211901
11079626
Correspondence name and address
COLLARD & ROE, P.C.
1077 NODRTHERN BOULEVARD
ROSLYN, NY 11576
Assignment: 10
Reel/Frame:023076/0831   Pages: 13
Recorded: 08/11/2009
Attorney Dkt #:032301.633
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MOLL, MATTHIAS
Exec Dt:
06/22/2009
2
STOCKHAMMER, STEFAN
Exec Dt:
06/25/2009
3
ALT, HANS CHRISTIAN
Exec Dt:
07/29/2009
4
POHLISCH, JOACHIM
Exec Dt:
06/18/2009
5
HUTHMACHER, KLAUS
Exec Dt:
06/18/2009
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRABE 1-11
ESSEN, GERMANY DE-45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100304449
12520664
Correspondence name and address
THOMAS G. WISEMAN
1130 CONNECTICUT AVENUE, N.W.
SUITE 1130
WASHINGTON, DC 20036
Assignment: 11
Reel/Frame:035331/0134   Pages: 17
Recorded: 04/03/2015
Attorney Dkt #:34424-00018-US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALT, HANS CHRISTIAN
Exec Dt:
02/12/2015
2
OELMANN, ANSGAR
Exec Dt:
02/26/2015
3
HOFLER, ANDREAS
Exec Dt:
02/20/2015
4
BECKER, FRANZ ULRICH
Exec Dt:
02/25/2015
5
BLUMKE, WILFRIED
Exec Dt:
02/23/2015
Assignee
1
EVONIK INDUSTRIES AG
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9649609
US20150283527
14678408
Correspondence name and address
NOVAK DRUCE CONNOLLY BOVE + QUIGG LLP
1875 EYE STREET, N.W.
SUITE 1100
WASHINGTON, DC 20006
Assignment: 12
Reel/Frame:038746/0863   Pages: 20
Recorded: 05/31/2016
Attorney Dkt #:7601/16035
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RABE, CHRISTIAN
Exec Dt:
01/11/2016
2
ALT, HANS CHRISTIAN
Exec Dt:
01/09/2016
3
FISCHER, FRANK
Exec Dt:
01/13/2016
4
EILS, STEFAN
Exec Dt:
01/11/2016
5
PRIEFERT, HORST
Exec Dt:
01/15/2016
6
DIEHL, MICHAEL
Exec Dt:
01/12/2016
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160249642
15027429
Correspondence name and address
MICHAEL A. SANZO
15400 CALHOUN DRIVE
SUITE 125
ROCKVILLE, MD 20855
Assignment: 13
Reel/Frame:039491/0369   Pages: 17
Recorded: 08/19/2016
Attorney Dkt #:7601/16040
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OELMANN, ANSGAR
Exec Dt:
01/12/2016
2
ALT, HANS CHRISTIAN
Exec Dt:
01/09/2016
3
BLÜMKE, WILFRIED
Exec Dt:
01/11/2016
4
BECKER, FRANZ ULRICH
Exec Dt:
01/12/2016
5
CONRAD, CHRISTOPHER JOHN
Exec Dt:
01/11/2016
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160255862
15031258
Correspondence name and address
MICHAEL A. SANZO
15400 CALHOUN DRIVE
SUITE 125
ROCKVILLE, MD 20855
Assignment: 14
Reel/Frame:039491/0424   Pages: 17
Recorded: 08/19/2016
Attorney Dkt #:7601/16045
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OELMANN, ANSGAR
Exec Dt:
01/12/2016
2
ALT, HANS CHRISTIAN
Exec Dt:
01/09/2016
3
BECKER, FRANZ ULRICH
Exec Dt:
01/12/2016
4
BLÜMKE, WILFRIED
Exec Dt:
01/11/2016
5
CLAES, WILFRIED
Exec Dt:
01/20/2016
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11076616
US20160255863
15031260
Correspondence name and address
MICHAEL A. SANZO
15400 CALHOUN DRIVE
SUITE 125
ROCKVILLE, MD 20855
Assignment: 15
Reel/Frame:058433/0636   Pages: 17
Recorded: 12/20/2021
Attorney Dkt #:7601/16040DIV
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OELMANN, ANSGAR
Exec Dt:
01/12/2016
2
ALT, HANS CHRISTIAN
Exec Dt:
01/09/2016
3
BLÜMKE, WILFRIED
Exec Dt:
01/11/2016
4
BECKER, FRANZ ULRICH
Exec Dt:
01/12/2016
5
CONRAD, CHRISTOPHER JOHN
Exec Dt:
01/11/2016
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11723384
US20220104519
17552184
Correspondence name and address
MICHAEL A. SANZO
15400 CALHOUN DRIVE
SUITE 125
ROCKVILLE, MD 20855
Assignment: 16
Reel/Frame:038063/0183   Pages: 9
Recorded: 03/22/2016
Attorney Dkt #:16-40032-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALT, HANS CHRISTIAN
Exec Dt:
01/15/2016
2
KÖRFER, MARTIN
Exec Dt:
01/15/2016
3
PRIEFERT, HORST
Exec Dt:
01/15/2016
4
JAKOB, HARALD
Exec Dt:
01/14/2016
5
BLÜMKE, WILFRIED
Exec Dt:
01/14/2016
6
OELMANN, ANSGAR
Exec Dt:
01/16/2016
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160227816
15022642
Correspondence name and address
MATTHEW P. FREDERICK, REED SMITH LLP
1717 ARCH STREET
THREE LOGAN SQUARE, SUITE 3100
PHILADELPHIA, PA 19103
Assignment: 17
Reel/Frame:049332/0495   Pages: 23
Recorded: 05/31/2019
Attorney Dkt #:518391US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOERFER, MARTIN
Exec Dt:
10/15/2018
2
HASSELBACH, HANS JOACHIM
Exec Dt:
10/11/2018
3
NIGGEMANN, GERIT
Exec Dt:
01/04/2019
4
HANSMEIER, ANTJE
Exec Dt:
10/25/2018
5
ALT, HANS CHRISTIAN
Exec Dt:
10/17/2018
6
EGLY, DOMINIK
Exec Dt:
10/15/2018
7
SCHULTE, PETER
Exec Dt:
10/17/2018
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11180426
US20190322600
16312638
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314

Search Results as of: 05/14/2024 04:52 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT