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Patent Assignment Assignor Details
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Assignor Name : TIEFENSEE, KRISTIN
Total Assignments: 24
Assignment: 1
Reel/Frame:006835/0057   Pages: 2
Recorded: 12/28/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DECKERS, ANDREAS
Exec Dt:
11/18/1993
2
GUENTHERBERG, NORBERT
Exec Dt:
11/18/1993
3
TIEFENSEE, KRISTIN
Exec Dt:
11/18/1993
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5457157
NONE
08174338
Correspondence name and address
HERBERT B. KEIL
KEIL & WEINKAUF
1101 CONNECTICUT AVE., N.W.
WASHINGTON, DC 20036
Assignment: 2
Reel/Frame:007680/0164   Pages: 2
Recorded: 08/29/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TIEFENSEE, KRISTIN
Exec Dt:
08/16/1995
2
GUENTHERBERG, NORBERT
Exec Dt:
08/16/1995
3
NEUMANN, RAINER
Exec Dt:
08/16/1995
4
JAHNS, EKKEHARD
Exec Dt:
08/16/1995
Assignee
1
BASF AKTIENGESELLSCHAFT
LUDWIGSHAFEN
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5576385
NONE
08520697
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE., N.W.
WASHINGTON, D.C. 20036
Assignment: 3
Reel/Frame:008768/0054   Pages: 3
Recorded: 06/16/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIMMER, GUENTHER
Exec Dt:
01/04/1996
2
POEGEL, JOSEF
Exec Dt:
01/04/1996
3
TIEFENSEE, KRISTIN
Exec Dt:
01/04/1996
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5767201
NONE
08849893
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W.
WASHINGTON, D.C. 20036
Assignment: 4
Reel/Frame:009077/0608   Pages: 2
Recorded: 01/13/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TIEFENSEE, KRISTIN
Exec Dt:
07/30/1996
2
GUENTHERBERG, NORBERT
Exec Dt:
07/30/1996
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5969042
NONE
08983233
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W.
WASHINGTON, DC 20036
Assignment: 5
Reel/Frame:009043/0099   Pages: 2
Recorded: 03/10/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOLTER, KARL
Exec Dt:
01/09/1998
2
TIEFENSEE, KRISTIN
Exec Dt:
01/16/1998
3
ZEITZ, KATRIN
Exec Dt:
01/16/1998
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6066334
NONE
09037796
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE., N.W.
WASHINGTON, D.C. 20036
Assignment: 6
Reel/Frame:009238/0116   Pages: 2
Recorded: 02/26/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TIEFENSEE, KRISTIN
Exec Dt:
01/19/1998
2
NEUMANN, RAINER
Exec Dt:
01/19/1998
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6087449
NONE
09029556
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE., N.W.
WASHINGTON, D.C. 20036
Assignment: 7
Reel/Frame:009054/0785   Pages: 2
Recorded: 03/10/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOLTER, KARL
Exec Dt:
01/27/1998
2
TIEFENSEE, KRISTIN
Exec Dt:
01/27/1998
3
STADLER, REINHOLD
Exec Dt:
01/27/1998
4
ZEITZ, KATRIN
Exec Dt:
01/27/1998
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6046277
NONE
09037791
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVENUE NW
WASHINGTON, DC 20036
Assignment: 8
Reel/Frame:009576/0348   Pages: 3
Recorded: 11/05/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TIEFENSEE, KRISTIN
Exec Dt:
08/13/1998
2
SCHEHLMANN, VOLKER
Exec Dt:
08/25/1998
3
RUEBENACKER, MARTIN
Exec Dt:
08/13/1998
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6099829
NONE
09186384
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE., N.W.
WASHINGTON, D.C. 20036
Assignment: 9
Reel/Frame:009965/0134   Pages: 3
Recorded: 05/12/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OPPENLAENDER, KNUT
Exec Dt:
01/12/1999
2
ZIRNSTEIN, MICHAEL
Exec Dt:
01/12/1999
3
TIEFENSEE, KRISTIN
Exec Dt:
01/12/1999
4
OETTER, GUENTER
Exec Dt:
01/12/1999
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6165971
NONE
09310123
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W
WASHINGTON, D.C 20036
Assignment: 10
Reel/Frame:010171/0493   Pages: 3
Recorded: 08/11/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEFFERT, HELMUT
Exec Dt:
07/21/1999
2
TIEFENSEE, KRISTIN
Exec Dt:
07/21/1999
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6399679
NONE
09371847
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W.
WASHINGTON, D.C. 20036
Assignment: 11
Reel/Frame:010614/0696   Pages: 3
Recorded: 03/07/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GOTSCHE, MICHAEL
Exec Dt:
01/31/2000
2
WOOD, CLAUDIA
Exec Dt:
01/31/2000
3
TIEFENSEE, KRISTIN
Exec Dt:
01/31/2000
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6444785
NONE
09520173
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE., N.W.
WASHINGTON, D.C. 20036
Assignment: 12
Reel/Frame:012385/0041   Pages: 3
Recorded: 12/17/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEIDENFELDER, THOMAS
Exec Dt:
10/23/2001
2
TIEFENSEE, KRISTIN
Exec Dt:
10/23/2001
3
WUENSCH, THOMAS
Exec Dt:
10/23/2001
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6458342
NONE
10015561
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONN., AVENUE, N.W.
WASHINGTON, DC 20036
Assignment: 13
Reel/Frame:012693/0936   Pages: 3
Recorded: 03/12/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEIDENFELDER, THOMAS
Exec Dt:
01/08/2002
2
TIEFENSEE, KRISTIN
Exec Dt:
01/08/2002
3
WUENSCHER, THOMAS
Exec Dt:
01/08/2002
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6488915
US20020192167
10095224
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W.
WASHINGTON, D.C. 20036
Assignment: 14
Reel/Frame:013183/0244   Pages: 4
Recorded: 08/14/2002
Conveyance: CORRECTIVE ASSIGNMENT PREVIOUSLY RECORDED ON MARCH 12 2002 ON REEL 012693, FRAME 0936 CORRECTING ASSIGNOR'S NAME.
Assignors
1
HE IDENFELDER, THOMAS
Exec Dt:
01/08/2002
2
TIEFENSEE, KRISTIN
Exec Dt:
01/08/2002
3
WUENSCH, THOMAS
Exec Dt:
01/08/2002
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6488915
US20020192167
10095224
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1350 CONNECTICUT AVE. N.W
WASHINGTON, D.C 20036
Assignment: 15
Reel/Frame:015100/0521   Pages: 3
Recorded: 08/14/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEFFERT, HELMUT
Exec Dt:
02/20/2002
2
SANNER, AXEL
Exec Dt:
02/20/2002
3
TIEFENSEE, KRISTIN
Exec Dt:
02/20/2002
4
KOTHRADE, STEPHAN
Exec Dt:
02/20/2002
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGHSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040146477
10467946
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1350 CONNECTICUT AVE. N.W.
WASHINGTON, D.C. 20036
Assignment: 16
Reel/Frame:012889/0548   Pages: 3
Recorded: 05/13/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEIDENFELDER, THOMAS
Exec Dt:
02/25/2002
2
TIEFENSEE, KRISTIN
Exec Dt:
02/25/2002
3
WUENSCH, THOMAS
Exec Dt:
02/25/2002
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6887460
US20030044363
10142974
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1350 CONNECTICUT AVE. N.W
WASHINGTON, D.C. 20036
Assignment: 17
Reel/Frame:016366/0644   Pages: 3
Recorded: 03/11/2005
Attorney Dkt #:264508US0PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEIDENFELDER, THOMAS
Exec Dt:
08/29/2003
2
TIEFENSEE, KRISTIN
Exec Dt:
08/29/2003
3
WUENSCH, THOMAS
Exec Dt:
08/29/2003
4
PARKER, ROBERT
Exec Dt:
08/29/2003
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050249681
10523794
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 18
Reel/Frame:019227/0959   Pages: 4
Recorded: 04/30/2007
Attorney Dkt #:14938-00001-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DEGEN, GEORG
Exec Dt:
01/03/2007
2
EBEL, KLAUS
Exec Dt:
02/01/2007
3
TIEFENSEE, KRISTIN
Exec Dt:
02/05/2007
4
SCHWAKE, ANDREE
Exec Dt:
02/07/2007
Assignee
1
BASF AKTIENGESELLSCHAFT
CARL-BOSCH-STRASSE, GVX-C006
LUDWIGSHAFEN, GERMANY D-67056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7719820
US20080089010
11659138
Correspondence name and address
ASHLEY I. PEZZNER
THE NEMOURS BUILDING
1007 NORTH ORANGE STREET, P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 19
Reel/Frame:026215/0352   Pages: 4
Recorded: 05/03/2011
Attorney Dkt #:379459US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HILDEBRANDT, NICOLE
Exec Dt:
01/15/2010
2
KOENIG, HANNAH MARIA
Exec Dt:
01/15/2010
3
TIEFENSEE, KRISTIN
Exec Dt:
01/19/2010
4
DAVION, BENJAMIN
Exec Dt:
12/16/2009
5
VANCAEYZEELE, CEDRIC
Exec Dt:
12/16/2009
6
FICHET, ODILE
Exec Dt:
12/16/2009
7
TEYSSIE, DOMINIQUE
Exec Dt:
12/16/2009
Assignee
1
BASF SE
.
LUDWIGSHAFEN, GERMANY 67056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110230621
13126857
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 20
Reel/Frame:039720/0841   Pages: 6
Recorded: 09/13/2016
Attorney Dkt #:27843-967(0000076046US01)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TIEFENSEE, KRISTIN
Exec Dt:
06/23/2016
2
FLEUTE-SCHLACHTER, INGO
Exec Dt:
06/15/2016
3
KUENKEL, ALEXANDER
Exec Dt:
07/04/2016
4
STEFFEN, GABRIELE
Exec Dt:
06/21/2016
Assignee
1
BASF SE
CARL-BOSCH-STRASSE 38
LUDWINGSHAFEN, GERMANY 67056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170295779
15031656
Correspondence name and address
ARMSTRONG TEASDALE LLP
7700 FORSYTH BOULEVARD
SUITE 1800
ST. LOUIS,, MO 63105
Assignment: 21
Reel/Frame:043666/0057   Pages: 6
Recorded: 09/22/2017
Attorney Dkt #:27843-1180 0000078388US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TIEFENSEE, KRISTIN
Exec Dt:
05/26/2017
2
FLEUTE-SCHLACHTER, INGO
Exec Dt:
05/31/2017
3
MORMUL, VERENA
Exec Dt:
06/02/2017
4
SIEGEL, BERND
Exec Dt:
06/26/2017
Assignee
1
BASF SE
CARL-BOSCH-STRASSE 38
LUDWIGSHAFEN AM RHEIN, GERMANY 67056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10463040
US20180092352
15560817
Correspondence name and address
PATENT DOCKET DEPARTMENT ARMSTRONG TEASD
7700 FORSYTH BOULEVARD
SUITE 1800
ST. LOUIS, MO 63105
Assignment: 22
Reel/Frame:044727/0966   Pages: 3
Recorded: 01/25/2018
Attorney Dkt #:27843-1225 0000078738US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TIEFENSEE, KRISTIN
Exec Dt:
11/02/2017
2
SCHAEFER, BENJAMIN
Exec Dt:
11/02/2017
Assignee
1
BASF SE
CARL-BOSCH-STRASSE 38
LUDWIGSHAFEN AM RHEIN, GERMANY 67056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10874105
US20180368405
15747544
Correspondence name and address
PATENT DOCKET DEPARTMENT
ARMSTRONG TEASDALE LLP
7700 FORSYTH BLVD., SUITE 1800
ST. LOUIS, MO 63105
Assignment: 23
Reel/Frame:052559/0763   Pages: 7
Recorded: 05/04/2020
Attorney Dkt #:27843-1521 170165US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TIEFENSEE, KRISTIN
Exec Dt:
01/02/2018
2
KALT, MARKUS
Exec Dt:
01/02/2018
Assignee
1
BASF SE
CARL-BOSCH-STRASSE 38
LUDWIGSHAFEN AM RHEIN, GERMANY 67056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200323204
16760255
Correspondence name and address
ARMSTRONG TEASDALE LLP
7700 FORSYTH BLVE
SUITE 1800
ST. LOUIS, MO 63105
Assignment: 24
Reel/Frame:053282/0428   Pages: 5
Recorded: 07/22/2020
Attorney Dkt #:27843-1419 170030US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TIEFENSEE, KRISTIN
Exec Dt:
01/02/2018
Assignee
1
BASF SE
CARL-BOSCH-STRASSE 38
LUDWIGSHAFEN AM RHEIN, GERMANY 67056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10820589
US20190380331
16480432
Correspondence name and address
ARMSTRONG TEASDALE LLP
7700 FORSYTH BLVD.
SUITE 1800
ST. LOUIS, MO 63105

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