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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 : SPRINGER, HELMUT
Total Assignments: 31
Assignment: 1
Reel/Frame:004280/0026   Pages: 1
Recorded: 07/16/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BERNHAGEN, WOLFGANG
Exec Dt:
09/02/1981
2
FALK, VOLKER
Exec Dt:
09/02/1981
3
SPRINGER, HELMUT
Exec Dt:
09/02/1981
4
WEBER, JURGEN
Exec Dt:
09/02/1981
5
WIEBUS, ERNST
Exec Dt:
09/02/1981
6
KNIEP, CLAUS
Exec Dt:
09/02/1981
Assignee
1
RUHRCHEMIE AKTIENGESELLSCHAFT
A CORP OF GERMANY
D-4200 OBERHAUSEN 13, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4515986
NONE
06294114
Correspondence name and address
SPRUNG, FELFE, HORN, LYNCH & KRAMER
600 THIRD AVE.,
NEW YORK, NY 10016
Assignment: 2
Reel/Frame:004175/0593   Pages: 1
Recorded: 09/20/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
GARTNER, RODERICH
Exec Dt:
09/09/1983
2
CORNILS, BOY
Exec Dt:
09/09/1983
3
SPRINGER, HELMUT
Exec Dt:
09/09/1983
4
LAPPE, PETER
Exec Dt:
09/09/1983
Assignee
1
RUHRCHEMIE AKTIENGESELLSCHAFT A CORP. OF GERMANY
STATELESS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4483802
NONE
06534089
Correspondence name and address
BIERMAN, BIERMAN & PEROFF
437 MADISON AVE.
NEW YORK, NY 10022
Assignment: 3
Reel/Frame:004411/0725   Pages: 1
Recorded: 05/29/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SPRINGER, HELMUT
Exec Dt:
05/14/1985
Assignee
1
RUHRCHEMIE AKTIENGESELLSCHAFT
A CORP OF GERMANY
NOT PROVIDED
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4673535
NONE
06738868
Correspondence name and address
BIERMAN, BIERMAN & PEROFF
437 MADISON AVENUE
NEW YORK, NY 10022
Assignment: 4
Reel/Frame:004642/0066   Pages: 1
Recorded: 12/04/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FUNGHINI, AUGUSTO
Exec Dt:
11/05/1985
2
SCHWAB, DIETER
Exec Dt:
11/05/1985
3
SPRINGER, HELMUT
Exec Dt:
11/05/1985
Assignee
1
ITALIMPIANTI S.P.A.
PIAZZA PICCAPIETRA, 9
I- 16121 GENOVA, ITALY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4648837
NONE
06794758
Correspondence name and address
TOREN, MC GEADY AND GOLDBERG, P.C.
521 FIFTH AVE.
NEW YORK, NY 10175
Assignment: 5
Reel/Frame:004950/0576   Pages: 1
Recorded: 09/23/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WEBER, JURGEN
Exec Dt:
09/21/1988
2
LAPPE, PETER
Exec Dt:
09/21/1988
3
SPRINGER, HELMUT
Exec Dt:
09/21/1988
Assignee
1
HOECHST AKTIENGESELLSCHAFT
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4885383
NONE
07248544
Correspondence name and address
BIERMAN & MUSERLIAN
757 THIRD AVENUE
NEW YORK, NY 10017
Assignment: 6
Reel/Frame:004992/0807   Pages: 1
Recorded: 12/20/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WEBER, JURGEN
Exec Dt:
12/14/1988
2
LAPPE, PETER
Exec Dt:
12/14/1988
3
SPRINGER, HELMUT
Exec Dt:
12/14/1988
Assignee
1
HOECHST AKTIENGESELLSCHAFT, A CORP. OF THE FED. REP. OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4950800
NONE
07287470
Correspondence name and address
BIERMAN & MUSERLIAN
757 THIRD AVENUE
NEW YORK, NY 10017
Assignment: 7
Reel/Frame:005466/0562   Pages: 2
Recorded: 09/26/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LAPPE, PETER
Exec Dt:
09/17/1990
2
SPRINGER, HELMUT
Exec Dt:
09/17/1990
Assignee
1
HOECHST AKTIENGESELLSCAFT
D-6230 FRANKFURT AM MAIN 80, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5091546
NONE
07588665
Correspondence name and address
BIERMAN & MUSERLIAN
757 THIRD AVENUE
NEW YORK, NY 10017
Assignment: 8
Reel/Frame:005555/0180   Pages: 2
Recorded: 12/21/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WEBER, JURGEN
Exec Dt:
12/18/1990
2
LAPPE, PETER
Exec Dt:
12/18/1990
3
SPRINGER, HELMUT
Exec Dt:
12/18/1990
Assignee
1
HOECHST AKTIENGESELLSCHAFT, A CORP. OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5072037
NONE
07632471
Correspondence name and address
BIERMAN AND MUSERLIAN
757 THIRD AVE.
NEW YORK, NY 10017
Assignment: 9
Reel/Frame:005609/0166   Pages: 2
Recorded: 02/07/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DAMBKES, GEORG
Exec Dt:
01/30/1991
2
LAPPE, PETER
Exec Dt:
01/30/1991
3
THONNESSEN, FRANZ
Exec Dt:
01/30/1991
4
SPRINGER, HELMUT
Exec Dt:
01/30/1991
Assignee
1
HOECHST AKTIENGESELLSCHAFT, A CORP. OF THE FEDERAL REPUBLIC OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5072058
NONE
07632353
Correspondence name and address
BIERMAN & MUSERLIAN
757 THIRD AVE.
NEW YORK, NY 10017
Assignment: 10
Reel/Frame:005818/0927   Pages: 2
Recorded: 09/03/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LAPPE, PETER
Exec Dt:
08/09/1991
2
SPRINGER, HELMUT
Exec Dt:
08/09/1991
Assignee
1
HOECHST AKTIENGESELLSCHAFT, A CORPORATION OF THE FEDERAL REPUBLIC OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5151537
NONE
07741643
Correspondence name and address
BIERMAN & MUSERLIAN
757 THIRD AVE.
NEW YORK, NY 10017
Assignment: 11
Reel/Frame:005831/0138   Pages: 2
Recorded: 08/29/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WEBER, JURGEN
Exec Dt:
08/09/1991
2
LAPPE, PETER
Exec Dt:
08/09/1991
3
SPRINGER, HELMUT
Exec Dt:
08/09/1991
Assignee
1
HOECHST AKTIENGESELLSCHAFT A CORP. OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5182400
NONE
07741603
Correspondence name and address
BIERMAN & MUSERLIAN
757 THIRD AVE.
NEW YORK, NY 10017
Assignment: 12
Reel/Frame:006064/0308   Pages: 2
Recorded: 03/20/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LAPPE, PETER
Exec Dt:
03/17/1992
2
SPRINGER, HELMUT
Exec Dt:
03/17/1992
Assignee
1
HOECHST AKTIENGESELLSCHAFT A CORPORATION OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5264600
NONE
07855731
Correspondence name and address
BIERMAN AND MUSERLIAN
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 13
Reel/Frame:007171/0581   Pages: 2
Recorded: 09/23/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BAHRMANN, HELMUT
Exec Dt:
08/31/1994
2
GREB, WOLFGANG
Exec Dt:
08/31/1994
3
DAMBKES, GEORG
Exec Dt:
08/31/1994
4
HEYMANNS, PETER
Exec Dt:
08/31/1994
5
KALBFELL, HEINZ
Exec Dt:
08/31/1994
6
LAPPE, PETER
Exec Dt:
08/31/1994
7
SPRINGER, HELMUT
Exec Dt:
08/31/1994
8
VON MULMANN, EBERHARD
Exec Dt:
08/31/1994
9
WEBER, JURGEN
Exec Dt:
08/31/1994
10
WIEBUS, ERNST
Exec Dt:
08/31/1994
11
WIEBUS, ERNST
Exec Dt:
08/31/1994
12
FROHNING, CARL DIETER
Exec Dt:
08/31/1994
13
KAPPESSER, HARALD
Exec Dt:
08/31/1994
Assignee
1
HOECHST AKTIENGESELLSCHAFT
WERK RUHRCHEMIE, PATENT DEPARTMENT
POSTFACH 13 01 60
D-46128 OBERHAUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5410072
NONE
08311557
Correspondence name and address
JORDAN B. BIERMAN
BIERMAN AND MUSERLIAN
28TH FLOOR
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 14
Reel/Frame:007283/0972   Pages: 2
Recorded: 12/15/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEBER, JURGEN
Exec Dt:
12/06/1994
2
SPRINGER, HELMUT
Exec Dt:
12/06/1994
Assignee
1
HOECHST AKTIENGESELLSCHAFT
POSTFACH 13 01 60
WERK RUHRCHEMIE
D-46128 OBERHAUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5481044
NONE
08356909
Correspondence name and address
BIERMAN AND MUSERLIAN
JORDAN B. BIERMAN
28TH FLOOR
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 15
Reel/Frame:009630/0094   Pages: 2
Recorded: 11/25/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SPRINGER, HELMUT
Exec Dt:
11/17/1998
Assignee
1
CELANESE GMBH
LURGIALLE 14
D-60439 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6288288
NONE
09199862
Correspondence name and address
BIERMAN, MUSERLIAN AND LUCAS
CHARLES A. MUSERLIAN
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 16
Reel/Frame:011070/0392   Pages: 4
Recorded: 08/24/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHIMMER, KLAUS
Exec Dt:
08/21/2000
2
STRUTZ, HEINZ
Exec Dt:
08/07/2000
3
SPRINGER, HELMUT
Exec Dt:
08/03/2000
4
MERSCHER, KLAUS-DIETER
Exec Dt:
08/07/2000
Assignee
1
CELANESE CHEMICALS EUROPE GMBH
LURGIALLEE 14
D-60439 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6423856
NONE
09644913
Correspondence name and address
BIERMAN, MUSERLIAN AND LUCAS
CHARLES A. MUSERLIAN
600 THIRD AVENUE
NEW YORK, NEW YORK 10016
Assignment: 17
Reel/Frame:013322/0926   Pages: 3
Recorded: 09/05/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPRINGER, HELMUT
Exec Dt:
08/30/2002
2
LAPPE, PETER
Exec Dt:
08/30/2002
Assignee
1
CELANESE CHEMICALS EUROPE GMBH
LURGIALLE 14, D-60439
FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6800783
US20030078453
10204619
Correspondence name and address
BIERMAN, MUSERLIAN AND LUCAS
CHARLES A. MUSERLIAN
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 18
Reel/Frame:013363/0823   Pages: 3
Recorded: 09/05/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SPRINGER, HELMUT
Exec Dt:
08/30/2002
Assignee
1
CELANESE CHEMICALS EUROPE GMBH
LURGIALLE 14
D-60439 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6680395
US20030100781
10204495
Correspondence name and address
BIERMAN, MUSERLIAN AND LUCAS
CHARLES A. MUSERLIAN
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 19
Reel/Frame:013749/0585   Pages: 3
Recorded: 09/10/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPRINGER, HELMUT
Exec Dt:
08/30/2002
2
HEYMANNS, PETER
Exec Dt:
09/04/2002
Assignee
1
CELANESE CHEMICALS EUROPE GMBH
LURGIALLE 14
D 60439 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6696582
US20030100793
10204286
Correspondence name and address
BIERMAN, MUSERLIAN AND LUCAS
CHARLES A. MUSERLIAN
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 20
Reel/Frame:015122/0851   Pages: 2
Recorded: 03/19/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAPPE, PETER
Exec Dt:
03/10/2004
2
SPRINGER, HELMUT
Exec Dt:
03/10/2004
Assignee
1
CELANESE CHEMICALS EUROPE
FRANKFURTER STRASSE 111
D-61476 KRONBERG, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6982352
US20040204611
10804747
Correspondence name and address
MUSERLIAN, LUCAS AND MERCANTI
475 PARK AVENUE SOUTH
NEW YORK, NY 10016
Assignment: 21
Reel/Frame:015123/0457   Pages: 2
Recorded: 03/19/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAPPE, PETER
Exec Dt:
03/10/2004
2
SPRINGER, HELMUT
Exec Dt:
03/10/2004
Assignee
1
CELANESE CHEMICALS EUROPE GMBH
FRANFURTER STRASSE 111
D-61476 KRONBERG, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040210081
10804727
Correspondence name and address
MUSERLIAN, LUCAS AND MERCANTI
CHARLES A. MUSERLIAN
475 PARK AVENUE SOUTH
NEW YORK, NY 10016
Assignment: 22
Reel/Frame:015911/0975   Pages: 2
Recorded: 10/18/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAPPE, PETER
Exec Dt:
09/30/2004
2
SPRINGER, HELMUT
Exec Dt:
10/01/2004
3
LUKAS, RAINER
Exec Dt:
10/04/2004
Assignee
1
CELANESE CHEMICALS EUROPE GMBH
FRANKFURTER STRASSE 111
D-61476 KRONBERG, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7317128
US20050101796
10967597
Correspondence name and address
MUSERLIAN, LUCAS AND MERCANTI
CHARLES A. MUSERLIAN
475 PARK AVENUE SOUTH
NEW YORK, NY 10016
Assignment: 23
Reel/Frame:015911/0962   Pages: 2
Recorded: 10/18/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAPPE, PETER
Exec Dt:
09/30/2004
2
SPRINGER, HELMUT
Exec Dt:
10/05/2004
3
LUKAS, RAINER
Exec Dt:
10/04/2004
Assignee
1
CELANESE CHEMICALS EUROPE GMBH
FRANKFURTER STRASSE 111
D-61476 KRONBERG, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6939997
US20050107644
10967580
Correspondence name and address
MUSERLIAN, LUCAS AND MERCANTI
CHARLES A. MUSERLIAN
475 PARK AVENUE SOUTH
NEW YORK, NY 10016
Assignment: 24
Reel/Frame:015911/0979   Pages: 2
Recorded: 10/18/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAPPE, PETER
Exec Dt:
09/30/2004
2
SPRINGER, HELMUT
Exec Dt:
10/05/2004
3
LUKAS, RAINER
Exec Dt:
10/04/2004
Assignee
1
CELANESE CHEMICALS EUROPE GMBH
FRANKFURTER STRASSE 111
D-61476 KRONBERG, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7015362
US20050101805
10967731
Correspondence name and address
MUSERLIAN, LUCAS AND MERCANTI
CHARLES A. MUSERLIAN
475 PARK AVENUE SOUTH
NEW YORK, NY 10016
Assignment: 25
Reel/Frame:015915/0332   Pages: 2
Recorded: 10/19/2004
Attorney Dkt #:RUH-345
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAPPE, PETER
Exec Dt:
09/30/2004
2
SPRINGER, HELMUT
Exec Dt:
10/05/2004
3
LUKAS, RAINER
Exec Dt:
10/04/2004
Assignee
1
CELANESE CHEMICALS EUROPE GMBH
FRANKFURTER STRASSE 111
D-61476 KRONBERG, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7122706
US20050107640
10968760
Correspondence name and address
MUSERLIAN, LUCAS AND MERCANTI
CHARLES A. MUSERLIAN
475 PARK AVENUE SOUTH
NEW YORK, NY 10016
Assignment: 26
Reel/Frame:016789/0486   Pages: 2
Recorded: 07/19/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SPRINGER, HELMUT
Exec Dt:
06/02/2005
Assignee
1
CELANESE CHEMICALS EUROPE GMBH
FRANKFURTER STRASSE 111
KRONBERG, GERMANY D-61476
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060058561
11184136
Correspondence name and address
CHARLES A. MUSERLIAN
HEDMAN & COSTIGAN
1185 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Assignment: 27
Reel/Frame:017041/0654   Pages: 2
Recorded: 09/28/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPRINGER, HELMUT
Exec Dt:
09/14/2005
2
WINSBERG, FRANK
Exec Dt:
09/14/2005
Assignee
1
CELANESE CHEMICALS EUROPE GMBH
FRANKFURTER STRASSE 111
KRONBERG, GERMANY D-61476
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7138544
US20060106249
11237294
Correspondence name and address
CHARLES A. MUSERLIAN
HEDMAN & COSTIGAN
1185 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 28
Reel/Frame:018841/0492   Pages: 2
Recorded: 01/25/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPRINGER, HELMUT
Exec Dt:
01/06/2007
2
BAVAJ, PAOLO
Exec Dt:
01/12/2007
Assignee
1
CELANESE CHEMICALS EUROPE GMBH
SITE RUHRCHEMIE, PATENT DEPARTMENT
OBERHAUSEN, GERMANY D-46128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7342135
US20070179319
11657749
Correspondence name and address
CHARLES A. MUSERLIAN
HEDMAND AND COSTIGAN
1185 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 29
Reel/Frame:018843/0066   Pages: 2
Recorded: 01/25/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPRINGER, HELMUT
Exec Dt:
01/06/2007
2
BAVAJ, PAOLO
Exec Dt:
01/12/2007
Assignee
1
CELANESE CHEMICALS EUROPE GMBH
SITE RUHRCHEMIE
PATENT DEPARTMENT
OBERHAUSEN, GERMANY D-46128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7358385
US20070179314
11657760
Correspondence name and address
CHARLES A. MUSERLIAN
HEDMAN AND COSTIGAN
1185 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 30
Reel/Frame:018843/0080   Pages: 2
Recorded: 01/25/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPRINGER, HELMUT
Exec Dt:
01/08/2007
2
BAVAJ, PAOLO
Exec Dt:
01/12/2007
Assignee
1
CELANESE CHEMICALS EUROPE GMBH
SITE RUHRCHEMIE
PATENT DEPARTMENT
OBERHAUSEN, GERMANY D-46128
Property
 
Pat #
Pub #
Intl #
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NONE
US20070179323
11657771
Correspondence name and address
CHARLES A. MUSERLIAN
HEDMAN AND COSTIGAN
1185 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 31
Reel/Frame:019274/0828   Pages: 2
Recorded: 04/18/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SPRINGER, HELMUT
Exec Dt:
04/04/2007
Assignee
1
OXEA DEUTSCHLAND GMBH
OTTO-ROELEN-STR. 3
OBERHAUSEN, GERMANY D-46147
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7799945
US20070265467
11787868
Correspondence name and address
CHARLES A. MUSERLIAN
HEDMAN AND COSTIGAN
1185 AVENUE OF THE AMERICAS
NEW YORK, NY 10036

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