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Patent Assignment Assignor Details
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Assignor Name : GRESZTA-FRANZ, DOROTA
Total Assignments: 34
Assignment: 1
Reel/Frame:014710/0395   Pages: 2
Recorded: 11/14/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
THIEBES, CHRISTOPH
Exec Dt:
09/16/2003
2
LAAS, HANS-JOSEF
Exec Dt:
09/16/2003
3
HALPAAP, REINHARD
Exec Dt:
09/16/2003
4
GRESZTA-FRANZ, DOROTA
Exec Dt:
09/16/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040097687
10713812
Correspondence name and address
BAYER POLYMERS LLC
DONNA J. VEATCH
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PA 15205-9741
Assignment: 2
Reel/Frame:014833/0422   Pages: 3
Recorded: 12/17/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRESZTA-FRANZ, DOROTA
Exec Dt:
10/14/2003
2
GURTLER, CHRISTOPH
Exec Dt:
10/14/2003
3
HALPAAP, REINHARD
Exec Dt:
10/16/2003
4
SCHELHASS, MICHAEL
Exec Dt:
10/16/2003
5
GRAHL, MICHAEL
Exec Dt:
10/16/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
LEVERKUSEN, GERMANY D51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7148374
US20040133035
10738729
Correspondence name and address
BAYER POLYMERS LLC
GARY MATZ
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 3
Reel/Frame:016109/0918   Pages: 8
Recorded: 12/27/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROESLER, RICHARD R.
Exec Dt:
11/15/2004
2
BEREZKIN, YULIYA
Exec Dt:
11/15/2004
3
KINNEY, CAROL L.
Exec Dt:
11/15/2004
4
MARTIN, KYLI
Exec Dt:
11/15/2004
5
YU, POLI C.
Exec Dt:
11/29/2004
6
HALPAAP, REINHARD
Exec Dt:
11/23/2004
7
SHAFFER, MYRON W.
Exec Dt:
11/15/2004
8
GRESZTA-FRANZ, DOROTA
Exec Dt:
11/23/2004
9
PETZOLDT, JOACHIM
Exec Dt:
11/25/2004
Assignees
1
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205-9741
2
BAYER MATERIALSCIENCE AKTIENGESELLSCHAFT
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060089481
10970771
Correspondence name and address
BAYER MATERIALSCIENCE LLC
JOSEPH C. GIL
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 4
Reel/Frame:016388/0224   Pages: 3
Recorded: 03/14/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DETREMBLEUR, CHRISTOPHE
Exec Dt:
02/15/2005
2
WEKARD, JAN
Exec Dt:
01/31/2005
3
GRESZTA-FRANZ, DOROTA
Exec Dt:
02/07/2005
4
RICHTER, FRANK
Exec Dt:
02/07/2005
5
SCHMITZ, JORG
Exec Dt:
01/31/2005
6
FISCHER, WOLFGANG
Exec Dt:
02/07/2005
7
MUNDSTOCK, HOLGER
Exec Dt:
01/31/2005
Assignee
1
BAYER MATERIAL SCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7361723
US20050209427
11080706
Correspondence name and address
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 5
Reel/Frame:016390/0554   Pages: 3
Recorded: 03/14/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DETREMBLEUR, CHRISTOPHE
Exec Dt:
02/18/2005
2
WEIKARD, JAN
Exec Dt:
02/09/2005
3
GRESZTA-FRANZ, DOROTA
Exec Dt:
02/09/2005
4
FISCHER, WOLFGANG
Exec Dt:
02/09/2005
5
SCHMITZ, JOERG
Exec Dt:
02/09/2005
6
MUNDSTOCK, HOLGER
Exec Dt:
02/09/2005
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7381785
US20050209361
11080176
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PA 15205-9741
Assignment: 6
Reel/Frame:016655/0583   Pages: 3
Recorded: 06/07/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RAWLINS, JAMES
Exec Dt:
04/21/2005
2
GRAHL, MICHAEL
Exec Dt:
05/06/2005
3
GRESZTA-FRANZ, DOROTA
Exec Dt:
05/06/2005
4
HALPAAP, REINHARD
Exec Dt:
05/06/2005
5
LAAS, HANS-JOSEF
Exec Dt:
05/06/2005
Assignee
1
BAYER MATERIALSCIENCE AG
PATENTE UND LIZENZEN
KONZERNBEREICH RP
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7767778
US20050222364
11094589
Correspondence name and address
THOMAS W. ROY
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205
Assignment: 7
Reel/Frame:017122/0662   Pages: 3
Recorded: 10/24/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEIKARD, JAN
Exec Dt:
09/19/2005
2
GRESZTA-FRANZ, DOROTA
Exec Dt:
09/19/2005
3
FISCHER, WOLFGANG
Exec Dt:
09/19/2005
4
SCHMITZ, JORG
Exec Dt:
09/20/2005
5
MUNDSTOCK, HOLGER
Exec Dt:
09/20/2005
6
DETREMBLEUR, CHRISTOPHE
Exec Dt:
09/23/2005
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8980970
US20060052527
11217725
Correspondence name and address
THOMAS W. ROY
MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 8
Reel/Frame:017126/0833   Pages: 4
Recorded: 10/28/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEIKARD, JAN
Exec Dt:
09/19/2005
2
DETREMBLEUR, CHRISTOPHE
Exec Dt:
09/29/2005
3
GRESZTA-FRANZ, DOROTA
Exec Dt:
09/22/2005
4
RICHTER, FRANK
Exec Dt:
09/22/2005
5
FISCHER, WOLFGANG
Exec Dt:
09/19/2005
6
SCHMITZ, JORG
Exec Dt:
09/20/2005
7
MUNDSTOCK, HOLGER
Exec Dt:
09/20/2005
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7902315
US20060052526
11217207
Correspondence name and address
THOMAS W. ROY
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 9
Reel/Frame:017677/0901   Pages: 3
Recorded: 03/16/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WAMPRECHT, CHRISTIAN
Exec Dt:
01/31/2006
2
MAZANEK, JAN
Exec Dt:
02/27/2006
3
BAUMBACH, BEATE
Exec Dt:
02/10/2006
4
KUTTNER, WOLFRAM
Exec Dt:
02/23/2006
5
GRESZTA-FRANZ, DOROTA
Exec Dt:
02/02/2006
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060149019
11301622
Correspondence name and address
THOMAS W. ROY
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PA 15205-9741
Assignment: 10
Reel/Frame:018043/0084   Pages: 5
Recorded: 06/27/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MAZANEK, JAN
Exec Dt:
06/09/2006
2
GRESZTA-FRANZ, DOROTA
Exec Dt:
05/15/2006
3
DORR, SEBASTIAN
Exec Dt:
05/15/2006
4
MEIXNER, JURGEN
Exec Dt:
05/17/2006
5
HALPAAP, REINHARD
Exec Dt:
05/16/2006
6
MULLER, HELMUT
Exec Dt:
05/15/2006
7
FLECK, OLAF
Exec Dt:
05/22/2006
8
MULLER, HEINO
Exec Dt:
05/22/2006
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070004856
11475691
Correspondence name and address
THOMAS W. ROY, BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 11
Reel/Frame:019907/0497   Pages: 3
Recorded: 09/19/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRAHL, MICHAEL
Exec Dt:
08/01/2007
2
LAAS, HANS-JOSEF
Exec Dt:
08/02/2007
3
GRESZTA-FRANZ, DOROTA
Exec Dt:
08/02/2007
4
HALPAAP, REINHARD
Exec Dt:
08/02/2007
Assignee
1
BAYER MATERIAL SCIENCE AG
51368 LEVERKUSEN
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7919552
US20080182928
11901832
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 12
Reel/Frame:026620/0537   Pages: 3
Recorded: 07/20/2011
Attorney Dkt #:15778-00398
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRESZTA-FRANZ, DOROTA
Exec Dt:
06/30/2011
2
LAAS, HANS-JOSEF
Exec Dt:
06/30/2011
3
KRAUSE, JENS
Exec Dt:
06/24/2011
4
MAGER, DIETER
Exec Dt:
07/04/2011
5
WAMPRECHT, CHRISTIAN
Exec Dt:
06/28/2011
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
PATENTS & LICENSING
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9458282
US20110281966
13145381
Correspondence name and address
MATTHEW W. HAMMERSLEY
P O BOX 2207
WILMINGTON, DE 19899
Assignment: 13
Reel/Frame:026624/0474   Pages: 3
Recorded: 07/20/2011
Attorney Dkt #:15778-00401
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAAS, HANS-JOSEF
Exec Dt:
06/30/2011
2
KRAUSE, JENS
Exec Dt:
06/24/2011
3
HALPAAP, REINHARD
Exec Dt:
06/30/2011
4
WAMPRECHT, CHRISTIAN
Exec Dt:
06/28/2011
5
GRESZTA-FRANZ, DOROTA
Exec Dt:
06/30/2011
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
PATENTS & LICENSING
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110281965
13145486
Correspondence name and address
MATTHEW W. HAMMERSLEY
P O BOX 2207
WILMINGTON, DE 19899
Assignment: 14
Reel/Frame:035793/0601   Pages: 4
Recorded: 06/05/2015
Attorney Dkt #:074023-0586-US-521497
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRESZTA-FRANZ, DOROTA
Exec Dt:
12/09/2014
2
VEGA SANCHEZ, BERTA
Exec Dt:
12/10/2014
3
BAUMBACH, BEATE
Exec Dt:
12/19/2014
4
LAAS, HANS-JOSEF
Exec Dt:
12/09/2014
5
MATNER, MATHIAS
Exec Dt:
12/10/2014
Assignee
1
BAYER MATERIALSCIENCE AG
ALFRED-NOBEL-STR. 10
MONHEIM AM RHEIN, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9657206
US20150175859
14416739
Correspondence name and address
DRINKER BIDDLE & REATH LLP
222 DELAWARE AVENUE
SUITE 1410
WILMINGTON, DE 19801
Assignment: 15
Reel/Frame:038432/0745   Pages: 5
Recorded: 05/02/2016
Attorney Dkt #:BMS121110
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAAS, HANS-JOSEF
Exec Dt:
01/29/2015
2
GRESZTA-FRANZ, DOROTA
Exec Dt:
01/29/2015
3
VEGA SANCHEZ, BERTA
Exec Dt:
02/02/2015
Assignee
1
BAYER MATERIALSCIENCE AG
51368
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9556304
US20150203623
14424561
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 16
Reel/Frame:038307/0897   Pages: 4
Recorded: 04/18/2016
Attorney Dkt #:212728-0002-US-518575
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRESZTA-FRANZ, DOROTA
Exec Dt:
04/05/2016
2
KRAUSE, JENS
Exec Dt:
04/05/2016
3
LAAS, HANS-JOSEF
Exec Dt:
04/08/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9353209
US20150119546
14396107
Correspondence name and address
DRINKER BIDDLE & REATH LLP
ONE LOGAN SQUARE
SUITE 2000
PHILADELPHIA, PA 19103
Assignment: 17
Reel/Frame:038474/0969   Pages: 5
Recorded: 04/20/2016
Attorney Dkt #:212728-0003-US-518585
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRESZTA-FRANZ, DOROTA
Exec Dt:
04/05/2016
2
LAAS, HANS-JOSEF
Exec Dt:
04/05/2016
3
NEFZGER, HARTMUT
Exec Dt:
04/09/2016
4
KRAUSE, JENS
Exec Dt:
04/14/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9354355
US20150087774
14396240
Correspondence name and address
DRINKER BIDDLE & REATH LLP
ONE LOGAN SQUARE
SUITE 2000
PHILADELPHIA, PA 19103
Assignment: 18
Reel/Frame:038550/0379   Pages: 4
Recorded: 05/11/2016
Attorney Dkt #:212728-0003-01-US-533147
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRESZTA-FRANZ, DOROTA
Exec Dt:
04/05/2016
2
LAAS, HANS-JOSEF
Exec Dt:
04/05/2016
3
NEFZGER, HARTMUT
Exec Dt:
04/09/2016
4
KRAUSE, JENS
Exec Dt:
04/14/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9733394
US20160139301
15008524
Correspondence name and address
ASHLEY I. PEZZNER
222 DELAWARE AVE
WILMINGTON, DE 19801
Assignment: 19
Reel/Frame:038556/0218   Pages: 4
Recorded: 05/12/2016
Attorney Dkt #:212728-0002-01-US-533146
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRESZTA-FRANZ, DOROTA
Exec Dt:
04/05/2016
2
KRAUSE, JENS
Exec Dt:
04/05/2016
3
LAAS, HANS-JOSEF
Exec Dt:
04/05/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9718916
US20160137840
15008504
Correspondence name and address
ASHLEY I. PEZZNER
222 DELAWARE AVE
WILMINGTON, DE 19801
Assignment: 20
Reel/Frame:040600/0304   Pages: 3
Recorded: 12/08/2016
Attorney Dkt #:BMS141044US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAAS, HANS-JOSEF
Exec Dt:
11/22/2016
2
GRESZTA-FRANZ, DOROTA
Exec Dt:
11/22/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170121447
15317237
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 21
Reel/Frame:042987/0605   Pages: 4
Recorded: 07/12/2017
Attorney Dkt #:074023-0747-US-565167
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MALEIKA, ROBERT
Exec Dt:
06/26/2017
2
STERN, FRANK-STEFAN
Exec Dt:
06/20/2017
3
RICHTER, FRANK
Exec Dt:
06/26/2017
4
GRESZTA-FRANZ, DOROTA
Exec Dt:
06/20/2017
5
LAAS, HANS-JOSEF
Exec Dt:
06/20/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180009931
15543075
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 22
Reel/Frame:045323/0757   Pages: 4
Recorded: 03/23/2018
Attorney Dkt #:COV171198US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EKIN, ALAN
Exec Dt:
12/08/2017
2
ZIELINSKI, DAVID P.
Exec Dt:
12/05/2017
3
GRESZTA-FRANZ, DOROTA
Exec Dt:
12/05/2017
4
STEMPFLE, FLORIAN JOHANNES
Exec Dt:
12/05/2017
Assignees
1
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PENNSYLVANIA 15205-9741
2
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190292305
15933487
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 23
Reel/Frame:045430/0658   Pages: 4
Recorded: 04/04/2018
Attorney Dkt #:BMS151112US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HECKING, ANDREAS
Exec Dt:
01/02/2018
2
STEMPFLE, FLORIAN JOHANNES
Exec Dt:
01/02/2018
3
EGGERT, CHRISTOPH
Exec Dt:
01/15/2018
4
GRAHL, MICHAEL
Exec Dt:
01/02/2018
5
GRESZTA-FRANZ, DOROTA
Exec Dt:
01/15/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11091584
US20180208709
15747790
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 24
Reel/Frame:046066/0174   Pages: 7
Recorded: 06/13/2018
Attorney Dkt #:COV161164US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DÖRR, SEBASTIAN
Exec Dt:
05/15/2018
2
BEUCK, SASKIA
Exec Dt:
05/25/2018
3
LAAS, HANS-JOSEF
Exec Dt:
05/09/2018
4
GRESZTA-FRANZ, DOROTA
Exec Dt:
05/09/2018
5
YUVA, NUSRET
Exec Dt:
05/09/2018
6
BORN, RALPH-GEORG
Exec Dt:
05/09/2018
7
EKIN, ALAN
Exec Dt:
04/09/2018
Assignees
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
2
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PENNSYLVANIA 15205
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11008416
US20190292299
15933475
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 25
Reel/Frame:052152/0274   Pages: 8
Recorded: 03/18/2020
Attorney Dkt #:2016P30153WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRESZTA-FRANZ, DOROTA
Exec Dt:
11/13/2019
2
WEIKARD, JAN
Exec Dt:
11/20/2019
3
WINTERMANTEL, MATTHIAS
Exec Dt:
11/18/2019
4
MALEIKA, ROBERT
Exec Dt:
11/13/2019
5
KLIMMASCH, THOMAS
Exec Dt:
11/12/2019
6
SCHUETTLER, THOMAS
Exec Dt:
11/25/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11230522
US20200216383
16648344
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 26
Reel/Frame:052152/0305   Pages: 7
Recorded: 03/18/2020
Attorney Dkt #:2017P30086WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRESZTA-FRANZ, DOROTA
Exec Dt:
11/13/2019
2
DRUMM, CHRISTIAN
Exec Dt:
11/13/2019
3
MORBACH, JAN
Exec Dt:
12/02/2019
4
WITKOWSKI, REINER
Exec Dt:
11/16/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10968165
US20200223787
16648366
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 27
Reel/Frame:053845/0012   Pages: 14
Recorded: 09/22/2020
Attorney Dkt #:2017P30179WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BEUCK, SASKIA
Exec Dt:
03/19/2020
2
DOERR, SEBASTIAN
Exec Dt:
03/09/2020
3
LAAS, HANS-JOSEF
Exec Dt:
03/12/2020
4
GRESZTA-FRANZ, DOROTA
Exec Dt:
03/10/2020
5
YUVA, NUSRET
Exec Dt:
03/10/2020
6
BORN, RALPH-GEORG
Exec Dt:
06/05/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210024679
17040063
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 28
Reel/Frame:053845/0085   Pages: 11
Recorded: 09/22/2020
Attorney Dkt #:2017P30180WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BEUCK, SASKIA
Exec Dt:
03/19/2020
2
DOERR, SEBASTIAN
Exec Dt:
03/09/2020
3
LAAS, HANS-JOSEF
Exec Dt:
03/12/2020
4
GRESZTA-FRANZ, DOROTA
Exec Dt:
03/10/2020
5
YUVA, NUSRET
Exec Dt:
03/10/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210017322
17040067
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 29
Reel/Frame:053845/0229   Pages: 14
Recorded: 09/22/2020
Attorney Dkt #:2017P30182WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRESZTA-FRANZ, DOROTA
Exec Dt:
03/10/2020
2
BEUCK, SASKIA
Exec Dt:
03/19/2020
3
DOERR, SEBASTIAN
Exec Dt:
03/09/2020
4
LAAS, HANS-JOSEF
Exec Dt:
03/12/2020
5
YUVA, NUSRET
Exec Dt:
03/10/2020
6
GEWISS, HEINZ-DIETMAR
Exec Dt:
03/10/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210024680
17040071
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 30
Reel/Frame:054028/0473   Pages: 14
Recorded: 10/08/2020
Attorney Dkt #:2017P30181WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRESZTA-FRANZ, DOROTA
Exec Dt:
08/13/2020
2
BEUCK, SASKIA
Exec Dt:
09/24/2020
3
LAAS, HANS-JOSEF
Exec Dt:
08/13/2020
4
YUVA, NUSRET
Exec Dt:
09/28/2020
5
GEWISS, HANS-DIETMAR
Exec Dt:
08/12/2020
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210017323
17040068
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 31
Reel/Frame:054839/0163   Pages: 11
Recorded: 01/07/2021
Attorney Dkt #:2018P30111WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRESZTA-FRANZ, DOROTA
Exec Dt:
10/13/2020
2
SHEN, JIANPING
Exec Dt:
10/15/2020
3
ZHENG, JUNCHAO
Exec Dt:
10/27/2020
4
XU, XIFENG
Exec Dt:
10/16/2020
5
YANG, LING
Exec Dt:
10/14/2020
6
LI, JINQI
Exec Dt:
10/20/2020
7
LI, HONGCHAO
Exec Dt:
10/22/2020
8
LIU, HAO
Exec Dt:
10/22/2020
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210277277
17258487
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 32
Reel/Frame:057019/0041   Pages: 3
Recorded: 07/29/2021
Attorney Dkt #:2018P30187WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRESZTA-FRANZ, DOROTA
Exec Dt:
03/23/2021
2
WEIKARD, JAN
Exec Dt:
03/23/2021
3
MUNDSTOCK, HOLGER
Exec Dt:
03/24/2021
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220098437
17426767
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 33
Reel/Frame:057183/0103   Pages: 5
Recorded: 08/16/2021
Attorney Dkt #:2018P30188WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRESZTA-FRANZ, DOROTA
Exec Dt:
03/23/2021
2
WEIKARD, JAN
Exec Dt:
03/23/2021
3
WINTERMANTEL, MATTHIAS
Exec Dt:
03/23/2021
4
REYER, ROBERT
Exec Dt:
03/23/2021
5
SCHUETTLER, THOMAS
Exec Dt:
03/23/2021
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220145121
17430746
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 34
Reel/Frame:057224/0206   Pages: 5
Recorded: 08/19/2021
Attorney Dkt #:2018P30197WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LATORRE MARTINEZ, IRENE CRISTINA
Exec Dt:
03/23/2021
2
GRESZTA-FRANZ, DOROTA
Exec Dt:
03/23/2021
3
PIRES, RAUL
Exec Dt:
03/23/2021
4
YUVA, NUSRET
Exec Dt:
03/23/2021
5
FLUEGEL, MAGDALENA
Exec Dt:
03/24/2021
6
HECKING, ANDREAS
Exec Dt:
03/23/2021
7
GOLLING, FLORIAN
Exec Dt:
03/23/2021
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11667747
US20220144998
17432132
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

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