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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 : POPHUSEN, DIRK
Total Assignments: 21
Assignment: 1
Reel/Frame:008154/0090   Pages: 3
Recorded: 08/02/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
POPHUSEN, DIRK
Exec Dt:
07/04/1996
2
CARDINAL VON WIDDERN, MICHAEL HENNIG
Exec Dt:
07/09/1996
Assignee
1
WOLFF WALSRODE AG
29655 WALSRODE
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5747124
NONE
08692026
Correspondence name and address
SPRUNG HORN KRAMER ET AL.
LEONARD HORN
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591-5144
Assignment: 2
Reel/Frame:008685/0369   Pages: 3
Recorded: 07/10/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
POPHUSEN, DIRK
Exec Dt:
05/20/1997
2
GERNOT, THOMAS
Exec Dt:
05/20/1997
3
WEBER, GUNTER
Exec Dt:
05/20/1997
Assignee
1
WOLFF WALSRODE AG
D 29655 WALSROD, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5928739
NONE
08889986
Correspondence name and address
SPRUNG KRAMER SCHAEFER & BRISCOE
MR. WILLIAM C. GERSTENZANG
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591-5144
Assignment: 3
Reel/Frame:011210/0450   Pages: 2
Recorded: 09/11/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
POPHUSEN, DIRK
Exec Dt:
08/01/2000
2
SCHRODER, NILS
Exec Dt:
08/09/2000
Assignee
1
WOLFF WALSRODE AG
D 29655 WALSRODE, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6541087
NONE
09660076
Correspondence name and address
BAYER CORPORATION
ARON PREIS
100 BAYER ROAD
PITTSBURGH, PA 15205
Assignment: 4
Reel/Frame:012460/0803   Pages: 2
Recorded: 01/08/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
POPHUSEN, DIRK
Exec Dt:
11/08/2001
2
OPELKA, GERHARD
Exec Dt:
11/12/2001
3
JOACHIMI, DETLEV
Exec Dt:
11/15/2001
4
SCHULTE, HELMUT
Exec Dt:
11/15/2001
5
IDEL, KARSTEN-JOSEF
Exec Dt:
11/16/2001
Assignee
1
BAYER AKTIENGESELLSCHAFT
D- 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6630216
US20020071953
09915698
Correspondence name and address
BAYER CORPORATION
JAMES R. FRANKS
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 5
Reel/Frame:012924/0820   Pages: 2
Recorded: 04/01/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
POPHUSEN, DIRK
Exec Dt:
02/21/2002
2
JOACHIMI, DETLEV
Exec Dt:
02/19/2002
3
ROHNER, JURGEN
Exec Dt:
02/22/2002
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6833429
NONE
10089709
Correspondence name and address
BAYER CORPORATION
ARON PREIS
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PA 15205-9741
Assignment: 6
Reel/Frame:013941/0232   Pages: 2
Recorded: 11/05/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
POPHUSEN, DIRK
Exec Dt:
08/27/2002
2
KLINGELHOFER, STEFANIE
Exec Dt:
09/19/2002
3
JOACHIMI, DETLEV
Exec Dt:
08/28/2002
4
SCHERER, CLIFF
Exec Dt:
09/04/2002
5
SCHULTE, HELMUT
Exec Dt:
09/02/2002
6
IDEL, KARSTEN
Exec Dt:
09/10/2002
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030153670
10275422
Correspondence name and address
BAYER CORP.
ARON PREIS
PATENT DEPT.
100 BAYER ROAD
PITTBURGH, PA 15205-9741
Assignment: 7
Reel/Frame:013886/0948   Pages: 2
Recorded: 03/14/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TZIOVARAS, GEORGIOS
Exec Dt:
01/06/2003
2
POPHUSEN, DIRK
Exec Dt:
01/06/2003
3
GEHRKE, HANS-GEORG
Exec Dt:
01/06/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7144540
US20030178739
10389654
Correspondence name and address
BAYER POLYMERS LLC
DONNA J. VEATCH
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 8
Reel/Frame:016448/0821   Pages: 2
Recorded: 03/31/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
POPHUSEN, DIRK
Exec Dt:
03/14/2005
Assignee
1
BAYER MATERIALSCIENCE AG
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050221093
11098359
Correspondence name and address
BAYER MATERIALSCIENCE LLC
ARON PREIS
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PA 15205-9741
Assignment: 9
Reel/Frame:018034/0431   Pages: 7
Recorded: 06/29/2006
Conveyance: RE-RECORD TO CORRECT ASSIGNOR NAME PREVIOUSLY RECORDED AT R/F 017762/0860
Assignors
1
DOBLER, MARTIN
Exec Dt:
02/27/2006
2
POPHUSEN, DIRK
Exec Dt:
02/08/2006
3
BOLL, MATTHIAS
Exec Dt:
03/01/2006
4
GUNTERMANN, UDO
Exec Dt:
03/06/2006
5
JONAS, FRIEDRICH
Exec Dt:
03/06/2006
6
ELSCHNER, ANDREAS
Exec Dt:
03/06/2006
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060227295
11397241
Correspondence name and address
ARON PREIS
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 10
Reel/Frame:017762/0351   Pages: 3
Recorded: 04/03/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DOBLER, MARTIN
Exec Dt:
02/27/2006
2
POPHUSEN, DIRK
Exec Dt:
02/28/2006
3
BOLL, MATTHIAS
Exec Dt:
03/01/2006
4
STRATTON, DOUG
Exec Dt:
03/21/2006
5
PLATTE, PAUL
Exec Dt:
03/23/2006
Assignees
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
2
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PENNSYLVANIA 15205-9741
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060227296
11397862
Correspondence name and address
ARON PREIS, BAYER MATERIAL SCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 11
Reel/Frame:017762/0860   Pages: 3
Recorded: 04/03/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DOBLER, MARTIN
Exec Dt:
02/27/2006
2
POPHUSEN, DIRK
Exec Dt:
02/28/2006
3
BOLL, MATTHIAS
Exec Dt:
03/01/2006
4
GUTERMANN, UNDO
Exec Dt:
03/06/2006
5
JONAS, FRIEDRICH
Exec Dt:
03/06/2006
6
ELSCHNER, ANDREAS
Exec Dt:
03/06/2006
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060227295
11397241
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 12
Reel/Frame:018080/0087   Pages: 3
Recorded: 07/10/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DOBLER, MARTIN
Exec Dt:
05/12/2006
2
KUNZEL, ROLAND
Exec Dt:
05/18/2006
3
POPHUSEN, DIRK
Exec Dt:
05/16/2006
4
KOHL, WINFRIED
Exec Dt:
06/05/2006
5
BOLL, MATTHIAS
Exec Dt:
06/19/2006
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060237123
11397879
Correspondence name and address
ARON PREIS
BAYER MATERIALSCIENCE LP
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 13
Reel/Frame:024083/0913   Pages: 2
Recorded: 03/16/2010
Attorney Dkt #:15778-00272-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PUDLEINER, HEINZ
Exec Dt:
12/18/2009
2
YESILDAG, MEHMET-CENGIZ
Exec Dt:
12/18/2009
3
POPHUSEN, DIRK
Exec Dt:
12/18/2009
4
MEYER, KLAUS
Exec Dt:
12/18/2009
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9334385
US20100196699
12677700
Correspondence name and address
ASHLEY I. PEZZNER
1007 NORTH ORANGE STREET
WILMINGTON, DE 19801
Assignment: 14
Reel/Frame:025087/0917   Pages: 4
Recorded: 10/04/2010
Attorney Dkt #:100717-808
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GERIGK, MARKUS, DR
Exec Dt:
07/15/2010
2
BACKER, ANDREAS
Exec Dt:
07/15/2010
3
VOUGIOUKAS, SIMON
Exec Dt:
07/15/2010
4
BIRSZTEJN, THOMAS, DR.
Exec Dt:
07/15/2010
5
KENFENHEUER, JOSEF
Exec Dt:
07/19/2010
6
BRULL, LUDGER, DR.
Exec Dt:
07/15/2010
7
TZIOVARAS, GEORGIOS
Exec Dt:
07/21/2010
8
POPHUSEN, DIRK
Exec Dt:
08/13/2010
9
YESILDAG, MEHMET CENGIZ
Exec Dt:
08/13/2010
10
PUDLEINER, HEINZ
Exec Dt:
07/26/2010
Assignee
1
BAYER TECHNOLOGY SERVICES GMBH
51368 LEVERKUSEN
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110031735
12865227
Correspondence name and address
CHRISTA HILDEBRAND
NORRIS MCLAUGHLIN & MARCUS, P.A.
875 THIRD AVENUE, 8TH FLOOR
NEW YORK, NY 10022
Assignment: 15
Reel/Frame:025780/0116   Pages: 6
Recorded: 02/11/2011
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNOR: BAYER TECHNOLOGY SERVICES GMBH PREVIOUSLY RECORDED ON REEL 025087 FRAME 0917. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors
1
GERIGK, MARKUS
Exec Dt:
07/15/2010
2
BECKER, ANDREAS
Exec Dt:
07/15/2010
3
VOUGIOUKAS, SIMON
Exec Dt:
07/15/2010
4
BLREZIEJN, THOMAS
Exec Dt:
07/15/2010
5
KENFENHAUER, JOSEF
Exec Dt:
07/15/2010
6
BRULL, LUDGER
Exec Dt:
07/15/2010
7
TZIOVARAS, GEORGLOS
Exec Dt:
07/12/2010
8
POPHUSEN, DIRK
Exec Dt:
08/13/2010
9
YEALDAG, MEHMET-CANGLZ
Exec Dt:
08/13/2010
10
PUDLELNER, HEINZ
Exec Dt:
07/26/2010
Assignees
1
BAYER TECHNOLOGY SERVICE GMBH
51368 LEVERKUSEN
LEVERKUSEN, GERMANY 51368
2
BAYER MATERIAL SCIENCE AG
51368 LEVERKUSEN
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110031735
12865227
Correspondence name and address
CHRISTA HILDEBRAND
NORRIS MCLAUGHLIN & MARCUS, P.A.
875 THIRD AVENUE, 8TH FLOOR
NEW YORK, NY 10022
Assignment: 16
Reel/Frame:026088/0568   Pages: 2
Recorded: 04/07/2011
Attorney Dkt #:15778-00381-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TZIOVARAS, GEORGIOS
Exec Dt:
01/04/2011
2
YESILDAG, MEHMET-CENGIZ
Exec Dt:
01/10/2011
3
KUENZEL, ROLAND
Exec Dt:
01/04/2011
4
POPHUSEN, DIRK
Exec Dt:
01/10/2011
5
PUDLEINER, HEINZ
Exec Dt:
01/11/2011
6
LINDNER, MANFRED
Exec Dt:
01/06/2011
Assignee
1
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING
BUILDING Q 18
LEVERKUSEN, GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110206908
13120847
Correspondence name and address
DAVID M. MORSE
1007 NORTH ORANGE STREET
WILMINGTON, DE 19801
Assignment: 17
Reel/Frame:026221/0775   Pages: 2
Recorded: 05/04/2011
Attorney Dkt #:15778-00384-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PUDLEINER, HEINZ
Exec Dt:
02/23/2011
2
YESILDAG, MEHMET-CENGIZ
Exec Dt:
02/25/2011
3
TZIOVARAS, GEORGIOS
Exec Dt:
02/25/2011
4
POPHUSEN, DIRK
Exec Dt:
02/25/2011
Assignee
1
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING
BUILDING Q 18
LEVERKUSEN, GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9079443
US20110200801
13125886
Correspondence name and address
DAVID M. MORSE
1007 NORTH ORANGE STREET
WILMINGTON, DE 19801
Assignment: 18
Reel/Frame:026297/0508   Pages: 3
Recorded: 05/18/2011
Attorney Dkt #:15778-00391-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LOEWE, REINHARD
Exec Dt:
03/21/2011
2
KRUEGER, PER
Exec Dt:
03/21/2011
3
KNEBEL, MICHAEL
Exec Dt:
03/22/2011
4
EHREKE, JENS
Exec Dt:
03/21/2011
5
PUDLEINER, HEINZ
Exec Dt:
02/28/2011
6
YESILDAG, MEHMET-CENGIZ
Exec Dt:
03/07/2011
7
MEYER, KLAUS
Exec Dt:
03/02/2011
8
POPHUSEN, DIRK
Exec Dt:
03/02/2011
9
BUECHNER, JOERG
Exec Dt:
03/08/2011
Assignee
1
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING
BUILDING Q 18
LEVERKUSEN, GERMANY D-67056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8911851
US20110274883
13125077
Correspondence name and address
DAVID M. MORSE
1007 NORTH ORANGE STREET
WILMINGTON, DE 19801
Assignment: 19
Reel/Frame:026016/0678   Pages: 2
Recorded: 03/24/2011
Attorney Dkt #:15778-00380
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TZIOVARAS, GEORGIOS
Exec Dt:
03/17/2011
2
YESILDAG, MEHMET-CENGIZ
Exec Dt:
03/17/2011
3
POPHUSEN, DIRK
Exec Dt:
03/18/2011
4
PUDLEINER, HEINZ
Exec Dt:
03/17/2011
5
KINZEL, NORBERT
Exec Dt:
03/17/2011
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
PATENTS & LICENSING
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110193337
13120837
Correspondence name and address
MATTHEW W. HAMMERSLEY
P O BOX 2207
WILMINGTON, DE 19899
Assignment: 20
Reel/Frame:035237/0863   Pages: 4
Recorded: 03/24/2015
Attorney Dkt #:074023-0601-US-523625
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEONHARDT, KONSTANTIN
Exec Dt:
02/17/2015
2
KUENZEL, ROLAND
Exec Dt:
02/02/2015
3
HERDT, BJOERN
Exec Dt:
02/17/2015
4
DAHMEN, HANS-JOERG
Exec Dt:
03/16/2015
5
MUNDSTOCK, HOLGER
Exec Dt:
03/11/2015
6
POPHUSEN, DIRK
Exec Dt:
02/17/2015
Assignee
1
BAYER MATERIALSCIENCE AG
ALFRED-NOBEL-STR. 10
MONHEIM AM RHEIN, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10173355
US20150239159
14428485
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 21
Reel/Frame:038312/0154   Pages: 12
Recorded: 04/19/2016
Attorney Dkt #:2901664-103000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PUDLEINER, HEINZ
Exec Dt:
10/16/2002
2
POPHUSEN, DIRK
Exec Dt:
10/28/2015
3
KUENZEL, ROLAND
Exec Dt:
11/16/2015
4
LINDNER, MANFRED
Exec Dt:
12/09/2015
5
WOJATSCHEK, JUERGEN
Exec Dt:
11/09/2015
6
STRAUB, BERND
Exec Dt:
11/09/2015
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9400420
US20150355536
14655510
Correspondence name and address
MMWV IP, LLC.
10 NORTH JEFFERSON STREET
SUITE 100
FREDERICK, MD 21701

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