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Patent Assignment Assignor Details
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Assignor Name : HISGEN, BERND
Total Assignments: 23
Assignment: 1
Reel/Frame:004968/0743   Pages: 1
Recorded: 11/14/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HISGEN, BERND
Exec Dt:
11/14/1986
2
KOCK, HANS-JAKOB
Exec Dt:
11/14/1986
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4816555
NONE
06937874
Correspondence name and address
KEIL & WEINKAUF
1101 CONNECTICUT AVE., N. W.
WASHINGTON, DC 20036
Assignment: 2
Reel/Frame:004758/0882   Pages: 1
Recorded: 09/16/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KOCK, HANS-JAKOB
Exec Dt:
11/17/1986
2
HISGEN, BERND
Exec Dt:
11/17/1986
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4727131
NONE
06938062
Correspondence name and address
RUSSELL E. WEINKAUF
KEIL & WEINKAUF
1101 CONN AVE., N. W.
WASHINGTON, DC 20036
Assignment: 3
Reel/Frame:004755/0541   Pages: 1
Recorded: 08/31/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HISGEN, BERND
Exec Dt:
11/20/1986
2
KOCK, HANS-JAKOB
Exec Dt:
11/20/1986
Assignee
1
BASF AKTIENGESELLSCHAFT
RHEINLAND-PFALZ
6700 LUDWIGHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4727129
NONE
06937678
Correspondence name and address
KEIL & WEINKAUF
1101 CONN. AVE., N. W.
WASHINGTON, DC 20036
Assignment: 4
Reel/Frame:004755/0559   Pages: 1
Recorded: 08/31/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HISGEN, BERND
Exec Dt:
11/20/1986
2
PORTUGALL, MICHAEL
Exec Dt:
11/20/1986
3
STERZEL, HANS-JOSEF
Exec Dt:
11/20/1986
Assignee
1
BASF AKTIENGESELLSCHAFT
RHEINLAND-PFALZ
6700 LUDWIGHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4722993
NONE
06937677
Correspondence name and address
KEIL & WEINKAUF
1101 CONN. AVE., N. W.
WASHINGTON, DC 20036
Assignment: 5
Reel/Frame:004758/0901   Pages: 1
Recorded: 09/16/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HISGEN, BERND
Exec Dt:
11/20/1986
2
PORTUGALL, MICHAEL
Exec Dt:
11/20/1986
3
REITER, UDO
Exec Dt:
11/10/1986
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4728713
NONE
06937718
Correspondence name and address
KEIL & WEINKAUF
1101 CONNECTICUT AVENUE, N.W.
WASHINGTON, DC 20036
Assignment: 6
Reel/Frame:004762/0182   Pages: 1
Recorded: 09/08/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KOCK, HANS-JAKOB
Exec Dt:
11/20/1986
2
HISGEN, BERND
Exec Dt:
11/20/1986
3
PORTUGALL, MICHAEL
Exec Dt:
11/20/1986
Assignee
1
BASF AKTIENGESELLSCHAFT, 6700 LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4786706
NONE
06938069
Correspondence name and address
KEIL AND WEINKAUF
1101 CONNECTICUT AVENUE, N.W.
WASHINGTON, DC 20036
Assignment: 7
Reel/Frame:004942/0660   Pages: 1
Recorded: 09/07/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HISGEN, BERND
Exec Dt:
11/20/1986
2
PORTUGALL, MICHAEL
Exec Dt:
11/20/1986
3
STEINBERGER, ROLF
Exec Dt:
11/20/1986
Assignee
1
BASF AKTIENGESELLSCHAFT
RHEINLAND-PFALZ
6700 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4788272
NONE
06938057
Correspondence name and address
KEIL & WEINKAUF
1101 CONN AVE., N. W.
WASHINGTON, DC 20036
Assignment: 8
Reel/Frame:004827/0936   Pages: 1
Recorded: 02/16/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HISGEN, BERND
Exec Dt:
11/25/1986
2
PORTUGALL, MICHAEL
Exec Dt:
11/25/1986
3
BLINNE, GERD
Exec Dt:
11/25/1986
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4762906
NONE
06938237
Correspondence name and address
KEIL & WEINKAUF
1101 CONNECTICUT AVE., N.W.
WASHINGTON, DC 20036
Assignment: 9
Reel/Frame:004831/0514   Pages: 1
Recorded: 03/07/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KOCK, HANS-JAKOB
Exec Dt:
06/11/1987
2
PORTUGALL, MICHAEL
Exec Dt:
06/11/1987
3
HISGEN, BERND
Exec Dt:
06/11/1987
4
MERTES, JUERGEN
Exec Dt:
06/11/1987
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4749769
NONE
07064700
Correspondence name and address
OBLON, FISHER, SPIVAK,
MC CLELLAND & MAIER
CRYSTAL SQUARE 5, SUITE 400,
1755 SOUTH JEFF. DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 10
Reel/Frame:004831/0531   Pages: 1
Recorded: 03/07/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KOCK, HANS-JAKOB
Exec Dt:
06/23/1987
2
PORTUGALL, MICHAEL
Exec Dt:
06/23/1987
3
HISGEN, BERND
Exec Dt:
06/23/1987
4
MERTES, JUERGEN
Exec Dt:
06/23/1987
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4749770
NONE
07068169
Correspondence name and address
OBLON, FISHER, SPIVAK, MC CLELLAND
& MAIER, CRYSTAL SQUARE FIVE, STE. 400
1755 SOUTH JEFF DAVIS HWY.,
ARLINGTON, VA 22202
Assignment: 11
Reel/Frame:004831/0519   Pages: 1
Recorded: 03/07/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HISGEN, BERND
Exec Dt:
07/16/1987
2
KOCK, HANS-JAKOB
Exec Dt:
07/16/1987
3
PORTUGALL, MICHAEL
Exec Dt:
07/16/1987
4
SEILER, ERHARD
Exec Dt:
07/16/1987
5
BLINNE, GERD
Exec Dt:
07/16/1987
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4748229
NONE
07077281
Correspondence name and address
OBLON, FISHER, SPIVAK, MC CLELLAND
AND MAIER, CRYSTAL SQUARE FIVE,
STE. 400, 1755 S. JEFF. DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 12
Reel/Frame:004967/0011   Pages: 1
Recorded: 10/26/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HISGEN, BERND
Exec Dt:
07/21/1987
2
KOCK, HANS-JAKOB
Exec Dt:
07/21/1987
3
PORTUGALL, MICHAEL
Exec Dt:
07/21/1987
4
SEILER, ERHARD
Exec Dt:
07/21/1987
5
BLINNE, GERD
Exec Dt:
07/21/1987
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4801676
NONE
07078668
Correspondence name and address
OBLON, FISHER, SPIVAK,
MC CLELLAND AND MAIER
CRYSTAL SQUARE 5 - STE 400
1755 SOUTH JEFFERSON DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 13
Reel/Frame:004831/0530   Pages: 1
Recorded: 03/07/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PORTUGALL, MICHAEL
Exec Dt:
07/23/1987
2
HISGEN, BERND
Exec Dt:
07/23/1987
3
KOCK, HANS-JAKOB
Exec Dt:
07/23/1987
4
SEILER, ERHARD
Exec Dt:
07/23/1987
5
BLINNE, GERD
Exec Dt:
07/23/1987
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4751128
NONE
07079995
Correspondence name and address
OBLON, FISHER, SPIVAK,
MC CLELLAND & MAIER
CRYSTAL SQUARE 5-SUITE 400
1755 S. JEFFERSON DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 14
Reel/Frame:004865/0194   Pages: 1
Recorded: 05/09/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HISGEN, BERND
Exec Dt:
07/30/1987
2
KOCK, HANS-JAKOB
Exec Dt:
07/30/1987
3
PORTUGALL, MICHAEL
Exec Dt:
07/30/1987
4
SEILER, ERHARD
Exec Dt:
07/30/1987
5
BLINNE, GERD
Exec Dt:
07/30/1987
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4764582
NONE
07084165
Correspondence name and address
OBLON FISHER SPIVAK MCCLELLAND, & MAIER
CRYSTAL SQUARE FIVE - SUITE 400
1755 S. JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 15
Reel/Frame:005312/0278   Pages: 2
Recorded: 05/17/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ETZBACH, KARL-HEINZ
Exec Dt:
08/26/1987
2
HISGEN, BERND
Exec Dt:
08/26/1987
Assignee
1
BASF AKTIENGESELLSCHAFT
LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY 6700
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4943617
NONE
07091667
Correspondence name and address
OBLON, FISHER, SPIVAK,
MC CLELLAND & MAIER
1755 SOUTH JEFF. DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 16
Reel/Frame:005031/0107   Pages: 1
Recorded: 03/08/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KOCK, HANS-JAKOB
Exec Dt:
01/05/1988
2
HISGEN, BERND
Exec Dt:
01/05/1988
3
PORTUGALL, MICHAEL
Exec Dt:
01/05/1988
4
SEILER, ERHARD
Exec Dt:
01/05/1988
5
BLINNE, GERD
Exec Dt:
01/05/1988
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4861858
NONE
07142954
Correspondence name and address
OBLON, FISHER, SPIVAK,
MC CLELLAND AND MAIER
CRYSTAL SQUARE 5 - SUITE 400
1755 SOUTH JEFFERSON DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 17
Reel/Frame:005503/0523   Pages: 2
Recorded: 11/02/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WAGENBLAST, GERHARD
Exec Dt:
02/03/1988
2
ETZBACH, KARL-HEINZ
Exec Dt:
02/03/1988
3
HISGEN, BERND
Exec Dt:
02/03/1988
Assignee
1
BASF AKTIENGESELLSCHAFT
LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY 6700
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5097463
NONE
07154592
Correspondence name and address
KEIL & WEINKAUF
1101 CONNECTICUT AVE., N.W.
WASHINGTON, D.C. 20036
Assignment: 18
Reel/Frame:005715/0585   Pages: 2
Recorded: 05/29/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PIPPER, GUNTER
Exec Dt:
05/24/1989
2
HEINZ, GERHARD
Exec Dt:
05/24/1989
3
HISGEN, BERND
Exec Dt:
05/24/1989
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN, RHEINLAND-PFALZ
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5068308
NONE
07365130
Correspondence name and address
KEIL & WEINKAUF
1101 CONNECTICUT AVE., N.W.
WASHINGTON, DC 20036
Assignment: 19
Reel/Frame:005600/0680   Pages: 2
Recorded: 02/15/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ROSENAU, BERNHARD
Exec Dt:
08/24/1989
2
HISGEN, BERND
Exec Dt:
08/24/1989
3
HEINZ, GERHARD
Exec Dt:
08/24/1989
4
BRAUN, HANS-GEORG
Exec Dt:
08/24/1989
5
LAUSBERG, DIETRICH
Exec Dt:
08/24/1989
6
ZEINER, HARTMUT
Exec Dt:
08/24/1989
Assignee
1
BASF AKTIENGESELLSCHAFT,
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ,, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5011884
NONE
07401236
Correspondence name and address
OBLON, FISHER, SPIVAK, MC CLELLAND &
MAIER, CRYSTAL SQUARE FIVE - STE. 400
1755 SOUTH JEFF. DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 20
Reel/Frame:005903/0328   Pages: 2
Recorded: 11/07/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
POHLEMANN, HEINZ
Exec Dt:
12/11/1989
2
HISGEN, BERND
Exec Dt:
12/11/1989
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN RHEINLAND-PFALZ, FEDERAL REPUBLIC OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5092890
NONE
07459347
Correspondence name and address
OBLON, FISHER, SPIVAK, MC CLELLAND &
MAIER
CRYSTAL SQUARE FIVE - SUITE 400
1755 SOUTH JEFFERSON DAVIS HWY
ARLINGTON, VA 22202
Assignment: 21
Reel/Frame:005837/0547   Pages: 2
Recorded: 09/04/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ROSENAU, BERNHARD
Exec Dt:
08/26/1991
2
HISGEN, BERND
Exec Dt:
08/26/1991
3
HEINZ, GERHARD
Exec Dt:
08/26/1991
4
MC KEE, GRAHAM EDMUND
Exec Dt:
08/26/1991
5
MUENSTEDT, HELMUT
Exec Dt:
08/26/1991
6
EBERLE, WOLFGANG
Exec Dt:
08/26/1991
7
ZEINER, HARTMUT
Exec Dt:
08/26/1991
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5217571
NONE
07754849
Correspondence name and address
KEIL AND WEINKAUF
1101 CONNECTICUT AVE., N. W.
WASHINGTON, DC 20036
Assignment: 22
Reel/Frame:045834/0436   Pages: 13
Recorded: 05/17/2018
Attorney Dkt #:123.0149-US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AHN, SANGJUN
Exec Dt:
12/12/2017
2
FISCHER, WOLFGANG
Exec Dt:
12/11/2017
3
NIESSNER, NORBERT
Exec Dt:
01/26/2018
4
BANASZAK, BRIAN J.
Exec Dt:
12/11/2017
5
WALKER, ROLAND
Exec Dt:
12/12/2017
6
EL-JABY, ULA
Exec Dt:
01/19/2018
7
STAMMER, ACHIM
Exec Dt:
12/12/2017
8
HUNGENBERG, KLAUS-DIETER
Exec Dt:
12/11/2017
9
HISGEN, BERND
Exec Dt:
04/13/2018
Assignee
1
INEOS STYROLUTION GROUP GMBH
MAINZER LANDSTRASSE 50
FRANKFURT AM MAIN, GERMANY 60325
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10843384
US20180178411
15735286
Correspondence name and address
J.A. LINDEMAN & CO., PLLC
3190 FAIRVIEW PARK DRIVE
SUITE 1070
FALLS CHURCH, VA 22042
Assignment: 23
Reel/Frame:050776/0486   Pages: 12
Recorded: 10/21/2019
Attorney Dkt #:123.0146-US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AHN, SANGJUN
Exec Dt:
01/26/2018
2
FISCHER, WOLFGANG
Exec Dt:
01/24/2018
3
NIESSNER, NORBERT
Exec Dt:
01/26/2018
4
BANASZAK, BRIAN J.
Exec Dt:
01/15/2018
5
WALKER, ROLAND
Exec Dt:
01/15/2018
6
EL-JABY, ULA
Exec Dt:
01/19/2018
7
STAMMER, ACHIM
Exec Dt:
02/21/2018
8
HUNGENBERG, KLAUS-DIETER
Exec Dt:
01/18/2019
9
HISGEN, BERND
Exec Dt:
10/13/2019
Assignee
1
INEOS STYROLUTION GROUP GMBH
MAINZER LANDSTRASSE 50
FRANFURT AM MAIN, GERMANY 60325
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10525439
US20180085732
15564586
Correspondence name and address
J.A. LINDEMAN & C., PLLC
3190 FAIRVIEW PARK DRIVE
SUITE 1070
FALLS CHURCH, VA 22042

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