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Patent Assignment Assignor Details
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Assignor Name : ENGELHARDT, JURGEN
Total Assignments: 19
Assignment: 1
Reel/Frame:005526/0745   Pages: 2
Recorded: 11/26/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KRICHELDORF, HANS R.
Exec Dt:
10/22/1990
2
ENGELHARDT, JURGEN
Exec Dt:
10/22/1990
3
PAKULL, RALF
Exec Dt:
10/25/1990
4
ECKHARDT, VOLKER
Exec Dt:
10/25/1990
5
LEYRER, ULRICH
Exec Dt:
10/25/1990
Assignee
1
BAYER AKTIENGESELLSCHAFT, A CORP OF GERMANY
LEVERKUSEN,, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5134219
NONE
07617690
Correspondence name and address
CONNOLLY & HUTZ
P. O. BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 2
Reel/Frame:007005/0746   Pages: 2
Recorded: 05/17/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KALBE, JOCHEN
Exec Dt:
03/14/1994
2
MULLER, HANNS PETER
Exec Dt:
03/14/1994
3
KOCH, RAINHARD
Exec Dt:
03/14/1994
4
ENGELHARDT, JURGEN
Exec Dt:
03/18/1994
5
KOCH, WOLFGANG
Exec Dt:
03/18/1994
6
SZABLIKOWSKI, KLAUS
Exec Dt:
03/18/1994
7
WEBER, GUNTER
Exec Dt:
03/18/1994
Assignee
1
WOLFF WALSRODE AG
D 29655 WALSRODE
WALSRODE, GERMAN DEMOCRATIC REPUBLIC D29655
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5466794
NONE
08245350
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
LEONARD HORN
660 WHITE PLAINS ROAD
4TH FLOOR
TARRYTOWN, NY 10591-5144
Assignment: 3
Reel/Frame:007350/0405   Pages: 2
Recorded: 02/09/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KALBE, JOCHEN
Exec Dt:
12/06/1994
2
MULLER, HANNS-PETER
Exec Dt:
12/06/1994
3
KOCH, RAINHARD
Exec Dt:
12/06/1994
4
ENGELHARDT, JURGEN
Exec Dt:
12/12/1994
5
KOCH, WOLFGANG
Exec Dt:
12/12/1994
6
SZABIKOWSKI, KLAUS
Exec Dt:
12/13/1994
7
WEBER, GUNTER
Exec Dt:
12/12/1994
Assignee
1
WOLFF WALSRODE AG
WALSRODE, GERMANY 29655
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5639865
NONE
08385863
Correspondence name and address
LEONARD HORN, ESQ.
SPRUNG HORN KRAMER & WOOODS
FOURTH FLOOR
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591-5144
Assignment: 4
Reel/Frame:008140/0197   Pages: 3
Recorded: 08/02/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KALBE, JOCHEN
Exec Dt:
07/02/1996
2
KOCH, REINHARD
Exec Dt:
06/28/1996
3
MULLER, HANNS PETER
Exec Dt:
07/01/1996
4
ENGELHARDT, JURGEN
Exec Dt:
07/16/1996
5
KOCH, WOLFGANG
Exec Dt:
07/16/1996
6
MULLER, VOLKHARD
Exec Dt:
07/16/1996
Assignee
1
WOLFF WALSRODE AG
29655 WALSRODE, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5717087
NONE
08692028
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
LEONARD HORN
660 WHITE PLAINS ROAD
TARYTOWN, NEW YORK 10591-5144
Assignment: 5
Reel/Frame:008371/0476   Pages: 2
Recorded: 12/11/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIMON, JOACHIM
Exec Dt:
10/24/1996
2
MULLER, HANNS PETER
Exec Dt:
10/24/1996
3
DIJKSTRA, DIRK JACQUES
Exec Dt:
10/28/1996
4
ENGELHARDT, JURGEN
Exec Dt:
10/30/1996
5
MULLER, VOLKHARD
Exec Dt:
10/31/1996
6
WEBER, GUNTER
Exec Dt:
11/01/1996
Assignee
1
BAYER AG
KONZERNVERWALTUNG RP PATENTE KONZERN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5698612
NONE
08763391
Correspondence name and address
CONNOLLY AND HUTZ
RICHARD M. BECK
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 6
Reel/Frame:008494/0367   Pages: 3
Recorded: 04/02/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ENGELHARDT, JURGEN
Exec Dt:
03/03/1997
2
SIMON, JOACHIM
Exec Dt:
02/25/1997
3
MULLER, HANNS-PETER
Exec Dt:
02/25/1997
4
KOCH, RAINHARD
Exec Dt:
02/26/1997
5
DIJKSTRA, DIRK-JACQUES
Exec Dt:
02/27/1997
Assignee
1
WOLFF WALSRODE AG
D 29655 WALSRODE, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6403787
US20010007027
08831213
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
WILLIAM C. GERSTENZANG
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591-5144
Assignment: 7
Reel/Frame:008776/0365   Pages: 3
Recorded: 10/20/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIMON, JOACHIM
Exec Dt:
08/04/1997
2
MULLER, HANNS PETER
Exec Dt:
08/04/1997
3
KOCH, RAINHARD
Exec Dt:
08/05/1997
4
DIJKSTRA, DIRK JACQUES
Exec Dt:
08/06/1997
5
ENGELHARDT, JURGEN
Exec Dt:
08/07/1997
6
MULLER, VOLKHARD
Exec Dt:
08/11/1997
Assignee
1
WOLFF WALSRODE AG
29655 WALSRODE, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5861506
NONE
08852456
Correspondence name and address
SPRUNG, KRAMER, SCHAEFER & BRISCOE
MR. WILLIAM C. GERSTENZANG
600 WHITE PLAINS ROAD,
TARRYTOWN, NEW YORK 10591-5144
Assignment: 8
Reel/Frame:010601/0460   Pages: 2
Recorded: 01/11/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIMON, JOACHIM
Exec Dt:
12/07/1999
2
MULLER, HANS-PETER
Exec Dt:
12/07/1999
3
KOCH, RAINHARD
Exec Dt:
12/08/1999
4
MULLER, VOLKHARD
Exec Dt:
12/10/1999
5
ENGELHARDT, JURGEN
Exec Dt:
12/01/1999
6
SZABLIKOWSKI, KLAUS
Exec Dt:
12/14/1999
7
KOCH, WOLFGANG
Exec Dt:
12/10/1999
Assignee
1
WOLFF WALSRODE AKTIENGESELLSCHAFT
D- 29655 WALSRODE, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6559300
NONE
09462730
Correspondence name and address
BAYER CORPORATION
ARON PREIS
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205
Assignment: 9
Reel/Frame:010788/0869   Pages: 3
Recorded: 04/25/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOCH, RAINHARDT
Exec Dt:
11/26/1999
2
BERENDES, FRANK
Exec Dt:
11/26/1999
3
FOSTER, JOHN
Exec Dt:
12/22/1999
4
RAST, HANS-GEORG
Exec Dt:
11/29/1999
5
ENGELHARDT, JURGEN
Exec Dt:
12/08/1999
6
NEUBAUER, JORG
Exec Dt:
12/07/1999
7
KOCH, WOLFGANG
Exec Dt:
11/30/1999
8
SZABLIKOWSKI, KLAUS
Exec Dt:
12/01/1999
Assignee
1
WOLFF WALSRODE AKTIENGESELLSCHAFT
D 29655 WALSRODE, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6146858
NONE
09462046
Correspondence name and address
BAYER CORPORATION
ARON PRETS
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 10
Reel/Frame:015961/0066   Pages: 4
Recorded: 11/08/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BAYER, ROLAND
Exec Dt:
09/20/2004
2
HOHL, FRANK
Exec Dt:
09/20/2004
3
SCHLESIGER, HARTWIG
Exec Dt:
09/14/2004
4
KULL, ARNE HENNING
Exec Dt:
09/15/2004
5
PANNEK, JORN
Exec Dt:
09/14/2004
6
ENGELHARDT, JURGEN
Exec Dt:
09/14/2004
7
KRESSDORF, BURKHARD
Exec Dt:
09/15/2004
Assignee
1
WOLFF CELLULOSICS GMBH & CO. KG
29656 WALSRODE, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7491755
US20050080167
10914470
Correspondence name and address
BAYER MATERIALSCIENCE LLC
JOSEPH C. GIL
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 11
Reel/Frame:015985/0399   Pages: 4
Recorded: 11/12/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHLESIGER, HARTWIG
Exec Dt:
09/14/2004
2
BAYER, ROLAND
Exec Dt:
09/20/2004
3
HOHL, FRANK
Exec Dt:
09/20/2004
4
KULL, ARNE HENNING
Exec Dt:
09/15/2004
5
KRESSDORF, BURKHARD
Exec Dt:
09/15/2004
6
ENGELHARDT, JURGEN
Exec Dt:
09/14/2004
7
PANNEK, JORN-BERND
Exec Dt:
09/14/2004
Assignee
1
WOLFF CELLULOSICS GMBH & CO. KG
29656 WALSRODE, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7041168
US20050034636
10914401
Correspondence name and address
BAYER MATERIALSCIENCE, LLC
JOSEPH C. GIL
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 12
Reel/Frame:017140/0568   Pages: 3
Recorded: 10/28/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ENGELHARDT, JURGEN
Exec Dt:
09/02/2005
2
BRACKHAGEN, MEINOLF
Exec Dt:
09/06/2005
3
NACHTKAMP, KLAUS
Exec Dt:
09/02/2005
4
KOCH, WOLFGANG
Exec Dt:
09/02/2005
5
SCHULZE, THOMAS
Exec Dt:
10/05/2005
6
MEISTER, FRANK
Exec Dt:
10/05/2005
Assignee
1
WOLFF CELLULOSICS GMBH & CO. KG
29656 WALSRODE, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060041117
11184093
Correspondence name and address
JAMES R. FRANKS
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205-9741
Assignment: 13
Reel/Frame:017382/0119   Pages: 4
Recorded: 12/22/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHRODER, NILS
Exec Dt:
10/18/2005
2
ENGELHARDT, JURGEN
Exec Dt:
10/26/2005
3
KRUGER, CHRISTA
Exec Dt:
10/21/2005
4
BUSSE, TILMANN
Exec Dt:
11/01/2005
5
SAAKE, BODE
Exec Dt:
10/11/2005
6
PULS, JURGEN
Exec Dt:
10/11/2005
Assignee
1
WOLFF CELLULOSICS GMBH & CO. KG
29656 WALSRODE, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060169432
11231016
Correspondence name and address
JAMES R. FRANKS
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 14
Reel/Frame:017356/0574   Pages: 4
Recorded: 12/13/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHRODER, NILS
Exec Dt:
11/01/2005
2
ENGELHARDT, JURGEN
Exec Dt:
11/01/2005
3
ERASMY, NICOLE
Exec Dt:
11/18/2005
4
LEBIODA, SASCHA
Exec Dt:
11/18/2005
5
SAAKE, BODE
Exec Dt:
11/18/2005
6
PULS, JURGEN
Exec Dt:
11/18/2005
Assignee
1
WOLFF CELLULOSICS GMBH & CO. KG
29655 WALSRODE, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060128952
11301775
Correspondence name and address
JAMES R. FRANKS
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 15
Reel/Frame:017868/0635   Pages: 2
Recorded: 06/27/2006
Attorney Dkt #:14069-00005-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUTTERMANN, CARSTEN
Exec Dt:
05/09/2006
2
BRACKHAGEN, MEINOLF
Exec Dt:
05/17/2006
3
ENGELHARDT, JURGEN
Exec Dt:
05/08/2006
Assignee
1
WOLFF CELLULOSICS GMBH & CO. KG
WALSRODE, GERMANY 39656
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7777026
US20060287516
11446638
Correspondence name and address
ASHLEY I. PEZZNER
CONNOLLY BOVE LODGE & HUTZ LLP
1007 NORTH ORANGE STREET
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 16
Reel/Frame:018685/0432   Pages: 4
Recorded: 12/22/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHLESIGER, HARTWIG
Exec Dt:
10/10/2006
2
BAYER, ROLAND
Exec Dt:
10/12/2006
3
AURIEL, DANIEL
Exec Dt:
11/24/2006
4
ENGELHARDT, JURGEN
Exec Dt:
10/05/2006
5
HOHL, FRANK
Exec Dt:
11/05/2006
6
KLOHR, ERIK-ANDREAS
Exec Dt:
11/02/2006
7
KULL, ARNE HENNING
Exec Dt:
10/10/2006
8
PANNEK, JORN-BERND
Exec Dt:
10/05/2006
9
SCHMIDT, MARC OLIVER
Exec Dt:
10/11/2006
Assignee
1
WOLFF CELLULOSICS GMBH & CO. KG
WALSRODE
WALSRODE, GERMANY 29656
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7683110
US20070088106
11505278
Correspondence name and address
ASHLEY I. PEZZNER
CONNOLLY BOVE LODGE & HUTZ LLP
1007 NORTH ORANGE STREET
P.O. BOX 2207
WILMINGTON, DELAWARE 19899
Assignment: 17
Reel/Frame:029277/0377   Pages: 14
Recorded: 11/12/2012
Attorney Dkt #:WC071004-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NACHTKAMP, KLAUS
Exec Dt:
12/11/2009
2
KRUGER, CHRISTA
Exec Dt:
12/17/2009
3
ENGELHARDT, JURGEN
Exec Dt:
12/14/2009
4
KRIEGISCH, VOLKER
Exec Dt:
01/02/2010
5
HETTRICH, KAY
Exec Dt:
01/13/2010
6
PINNOW, MANFRED
Exec Dt:
01/18/2010
7
FISCHER, STEFFEN
Exec Dt:
01/14/2010
Assignee
1
DOW WOLFF CELLULOSICS GMBH
AUGUST-WOLFF-STRASSE 13
BOMLITZ, GERMANY 9699
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8338494
US20110198533
12672799
Correspondence name and address
MATTHEW ROEDEL
2040 DOW CENTER
MIDLAND, MI 48674
Assignment: 18
Reel/Frame:032229/0721   Pages: 5
Recorded: 02/17/2014
Attorney Dkt #:WC061009-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NACHTKAMP, KLAUS
Exec Dt:
12/11/2009
2
KRUGER, CHRISTA
Exec Dt:
12/17/2009
3
ENGELHARDT, JURGEN
Exec Dt:
12/14/2009
4
FISCHER, STEFFEN
Exec Dt:
01/10/2010
5
PINNOW, MANFRED
Exec Dt:
01/18/2010
6
HETTRICH, KAY
Exec Dt:
01/13/2010
Assignee
1
DOW WOLFF CELLULOSICS GMBH
AUGUST-WOLFF-STRASSE 13
BOMLITZ, GERMANY 9699
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8722092
US20110293732
12672824
Correspondence name and address
MATTHEW ROEDEL
2040 DOW CENTER
MIDLAND, MI 48674
Assignment: 19
Reel/Frame:027954/0706   Pages: 6
Recorded: 03/29/2012
Attorney Dkt #:WC061007 US PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ENGELHARDT, JURGEN
Exec Dt:
02/28/2012
2
NACHTKAMP, KLAUS, DR.
Exec Dt:
03/15/2012
3
KRUGER, CHRISTA M.
Exec Dt:
02/28/2012
Assignee
1
DOW WOLFF CELLULOSICS GMBH & CO. OHG
AUGUST - WOLFF - STRASSE 13
29699 BOMLITZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8182839
US20100272819
12518155
Correspondence name and address
AMY J LANPHIERD
2040 DOW CENTER
MIDLAND, MI 48674

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