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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 : WOLFF WALSRODE AG
Total Assignments: 11
Assignment: 1
Reel/Frame:015156/0252   Pages: 3
Recorded: 03/31/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WOLFF WALSRODE AG
Exec Dt:
03/25/2004
Assignee
1
WIPAK WALSRODE GMBH CO & KG
29656 WALSRODE
POSTFACH 1661, GERMANY
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
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6489038
NONE
09633356
 
6645609
US20020022125
09881227
 
6749948
US20030068514
10145296
Correspondence name and address
FOLEY & LARDNER LLP
RICHARD L. SCHWAAB
3000 K STREET, N.W. SUITE 500
WASHINGTON HARBOUR
WASHINGTON, D.C. 20007-5143
Assignment: 2
Reel/Frame:019134/0109   Pages: 2
Recorded: 04/09/2007
Attorney Dkt #:GRAMM 8987 WCG
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WOLFF WALSRODE AG
Exec Dt:
12/21/2006
Assignee
1
WIPAK WALSRODE GMBH & CO. KG
BAHNHOFSTRASSE 13
BOMLITZ, GERMANY D-29699
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5441806
NONE
08205977
Correspondence name and address
WILLIAM C. GERSTENZANG
NORRIS MCLAUGHLIN & MARCUS, P.A.
875 THIRD AVENUE - 18TH FLOOR
NEW YORK, NY 10022
Assignment: 3
Reel/Frame:019134/0189   Pages: 3
Recorded: 04/09/2007
Attorney Dkt #:BMS WCG
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WOLFF WALSRODE AG
Exec Dt:
01/23/2007
Assignee
1
EPUREX FILMS GMBH & CO. KG
POSTFACH 16 52
WALSRODE, GERMANY D-29656
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
5395681
NONE
08168883
 
5840812
NONE
08561988
 
5674600
NONE
08679354
 
5908690
NONE
08718031
 
5866257
NONE
08965168
Correspondence name and address
WILLIAM C. GERSTENZANG
NORRIS MCLAUGHLIN & MARCUS, P.A.
875 THIRD AVENUE - 18TH FLOOR
NEW YORK, NY 10022
Assignment: 4
Reel/Frame:019094/0574   Pages: 4
Recorded: 04/02/2007
Attorney Dkt #:14069-00052-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WOLFF WALSRODE AG
Exec Dt:
02/13/2007
Assignee
1
EPUREX FILMS GMBH & CO. KG
POSTFACH 16 52
WALSRODE, GERMANY D-29656
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
5614588
NONE
08410107
 
5703161
NONE
08703504
 
6331355
NONE
09445718
 
6455618
US20020010240
09876344
Correspondence name and address
ASHLEY I. PEZZNER
THE NEMOURS BUILDING
1007 NORTH ORANGE STREET, P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 5
Reel/Frame:023710/0948   Pages: 3
Recorded: 12/29/2009
Attorney Dkt #:15551-00005-US
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
WOLFF WALSRODE AG
Exec Dt:
08/07/2007
Assignee
1
DOW WOLFF CELLULOSICS GMBH
AUGUST WOLFF STRASSE 13
BOMLITZ, GERMANY 29699
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7718207
US20060083827
11290253
Correspondence name and address
ASHLEY I. PEZZNER
1007 NORTH ORANGE STREET
WILMINGTON, DE 19801
Assignment: 6
Reel/Frame:035454/0051   Pages: 8
Recorded: 04/17/2015
Attorney Dkt #:14386-00003
Conveyance: MERGER AND CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
WOLFF WALSRODE AG
Exec Dt:
08/07/2007
Newly Merged Entity Data
1
DOW WOLFF CELLULOSICS GMBH
Exec Dt:
08/07/2007
Newly Merged Entity's New Name
1
DOW WOLFF CELLULOSICS GMBH
AUGUST-WOLFFSTRASSE 13
BOMLITZ, GERMANY D-29699
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6797015
NONE
09673944
Correspondence name and address
NOVAK DRUCE CONNOLLY BOVE + QUIGG LLP
1007 NORTH ORANGE STREET
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 7
Reel/Frame:021172/0932   Pages: 4
Recorded: 07/02/2008
Attorney Dkt #:WOLFF WALSRODE (KGB)
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
WOLFF WALSRODE AG
Exec Dt:
08/28/2007
Assignee
1
DOW WOLFF CELLULOSICS GMBH
WALSRODE 1
WALSRODE, GERMANY D 29655
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
5356676
NONE
07931175
 
5232676
NONE
07941769
 
5425974
NONE
08245403
 
6908649
NONE
08301523
 
5747124
NONE
08692026
 
5863643
NONE
08743930
 
5820934
NONE
08836335
Correspondence name and address
NORRIS MCLAUGHLIN & MARCUS, P.A.
875 THIRD AVENUE
18TH FLOOR
NEW YORK, NY 10022
Assignment: 8
Reel/Frame:020127/0419   Pages: 7
Recorded: 11/16/2007
Attorney Dkt #:W WALSRODE NAME CHANGE
Conveyance: CERTIFIED COPY OF GERMAN TRADE REGISTER
Assignor
1
WOLFF WALSRODE AG
Exec Dt:
09/13/2007
Assignee
1
DOW WOLFF CELLULOSICS GMBH
AUGUST-WOLFFSTRASSE 13
BOMLITZ, GERMANY D-29699
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
5001232
NONE
07282077
 
4990609
NONE
07282078
 
5062889
NONE
07546459
 
5455341
NONE
08160709
 
5466794
NONE
08245350
 
5684081
NONE
08677289
 
6403787
US20010007027
08831213
 
6320043
NONE
09341412
 
6274653
NONE
09380859
 
6362330
NONE
09402066
 
6482940
NONE
09446998
 
6146858
NONE
09462046
 
6559300
NONE
09462730
 
6489468
NONE
09516174
 
6558719
NONE
09718561
 
7259257
US20010025101
09785905
 
6509461
US20010034441
09788116
 
6943247
US20010033941
09808316
 
6896752
NONE
09914436
 
6891034
US20020038018
09923011
 
6872820
US20020111480
09968497
 
7402668
US20030065165
10197070
 
6939960
US20030032798
10261332
 
6852852
US20030162745
10272898
 
6880772
US20030122003
10277514
 
8138331
US20070055057
11591654
 
NONE
US20070221098
11689604
 
NONE
US20070203335
11698441
 
NONE
US20070297280
11820680
Correspondence name and address
THE DOW CHEMICAL COMPANY
2040 DOW CENTER
C/O BRIAN J. HUBBARD
MIDLAND, MI 48674
Assignment: 9
Reel/Frame:020178/0578   Pages: 7
Recorded: 11/29/2007
Attorney Dkt #:DOW WOLFF NAME CHANGE
Conveyance: CERTIFIED COPY OF GERMAN TRADE REGISTER
Assignor
1
WOLFF WALSRODE AG
Exec Dt:
09/13/2007
Assignee
1
DOW WOLFF CELLULOSICS GMBH
AUGUST-WOLFFSTRASSE 13
BOMLITZ, GERMANY D-29699
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
6407151
NONE
09625872
 
6509396
NONE
09626323
 
6939961
NONE
09856545
 
6667395
US20030065166
10241711
 
7012139
US20030130500
10303282
 
7868166
US20030220492
10429543
 
7297687
US20050054609
10500807
 
6958393
US20040127700
10626338
 
NONE
US20040225035
10768765
 
7041168
US20050034636
10914401
 
7491755
US20050080167
10914470
 
NONE
US20050282939
10981016
 
NONE
US20050240016
11105679
 
NONE
US20060041117
11184093
 
NONE
US20060169432
11231016
 
7071326
US20060117998
11290193
 
NONE
US20060128952
11301775
 
NONE
US20060205935
11342992
 
7777026
US20060287516
11446638
 
7371279
US20070004826
11475406
 
7683110
US20070088106
11505278
Correspondence name and address
THE DOW CHEMICAL COMPANY
2040 DOW CENTER
C/O BRIAN J. HUBBARD
MIDLAND, MI 48674
Assignment: 10
Reel/Frame:033358/0847   Pages: 16
Recorded: 07/18/2014
Attorney Dkt #:WC005298-US-NP
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE APPLICATION NUMBER 09546459 IS INCORRECT. IT SHOULD BE 07546459. PREVIOUSLY RECORDED ON REEL 020127 FRAME 0419. ASSIGNOR(S) HEREBY CONFIRMS THE CERTIFIED COPY OF GERMAN TRADE REGISTER CHANGING OWNERSHIP FROM WOLFF WALSRODE AG TO DOW WOLFF CELLULOSICS GMBH.
Assignor
1
WOLFF WALSRODE AG
Exec Dt:
09/13/2007
Assignee
1
DOW WOLFF CELLULOSICS GMBH
AUGUST-WOFF STRASSE 13
BOMLITZ, GERMANY D-29699
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5062889
NONE
07546459
Correspondence name and address
KATHY WERTZ
2040 DOW CENTER
MIDLAND, MI 48674
Assignment: 11
Reel/Frame:020976/0001   Pages: 19
Recorded: 05/19/2008
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
WOLFF WALSRODE AG
Exec Dt:
03/11/2008
Assignee
1
DOW WOLFF CELLULOSICS GMBH & CO.
D 29655 WALSRODE, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7361297
US20050153111
11059181
Correspondence name and address
DONNA J. VEATCH
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205

Search Results as of: 08/07/2025 08:31 PM
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