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Patent Assignment Assignor Details
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Assignor Name : LAVEN, RALF
Total Assignments: 17
Assignment: 1
Reel/Frame:008910/0960   Pages: 3
Recorded: 12/03/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STANDKE, BURKHARD
Exec Dt:
08/25/1997
2
EDELMANN, ROLAND
Exec Dt:
08/25/1997
3
FRINGS, ALBERT-JOHANNES
Exec Dt:
08/25/1997
4
LAVEN, RALF
Exec Dt:
08/25/1997
5
HORN, MICHAEL
Exec Dt:
08/25/1997
6
JENKNER, PETER
Exec Dt:
08/25/1997
7
MACK, HELMUT
Exec Dt:
08/25/1997
8
MONKIEWICZ, JAROSLAW
Exec Dt:
08/25/1997
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
D-45764 MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5849942
NONE
08984163
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER &
NEUSTADT, P.C., ATTORNEYS AT LAW
FREDERICK D. VASTINE, PH.D., FOURTH FL.
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VIRGINIA 22202
Assignment: 2
Reel/Frame:009976/0485   Pages: 3
Recorded: 05/25/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STANDKE, BURKHARD
Exec Dt:
04/28/1998
2
EDELMANN, ROLAND
Exec Dt:
04/28/1998
3
FRINGS, ALBERT
Exec Dt:
04/28/1998
4
HORN, MICHAEL
Exec Dt:
04/28/1998
5
JENKNER, PETER
Exec Dt:
04/28/1998
6
LAVEN, RALF
Exec Dt:
04/28/1998
7
MONKIEWICZ, JAROSLAW
Exec Dt:
04/28/1998
8
ELFENTHAL, LOTHAR
Exec Dt:
04/28/1998
9
LUGINSLAND, HANS-HERMANN
Exec Dt:
04/28/1998
Assignee
1
HULS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE
MARL, D-45764, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5932757
NONE
08877556
Correspondence name and address
OBLON, SPIVAK ET AL
C. IRVIN MCCLLELAND
1755 JEFFERSON DAVIS HIGHWAY
FOURTH FL.
ARLINGTON, VIRGINIA 22202
Assignment: 3
Reel/Frame:009658/0773   Pages: 3
Recorded: 12/23/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STANDKE, BURKHARD
Exec Dt:
12/15/1998
2
EDELMANN, ROLAND
Exec Dt:
12/15/1998
3
FRINGS, ALBERT-JOHANNES
Exec Dt:
12/15/1998
4
HORN, MICHAEL
Exec Dt:
12/15/1998
5
JENKNER, PETER
Exec Dt:
12/15/1998
6
LAVEN, RALF
Exec Dt:
12/15/1998
7
MACK, HELMUT
Exec Dt:
12/15/1998
8
MONKIEWICZ, JAROSLAW
Exec Dt:
12/15/1998
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1 MARL
GERMANY 45764
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5885341
NONE
08927283
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND ET AL.
C. IRVIN MCCLELLAND
ATTORNEY AT LAW, FOURTH FLOOR
1755 JEFFERSON DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 4
Reel/Frame:010641/0201   Pages: 3
Recorded: 02/25/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STANDKE, BURKHARD
Exec Dt:
01/14/1999
2
MONKIEWICZ, JAROSLAW
Exec Dt:
01/14/1999
3
FRINGS, ALBERT-JOHANNES
Exec Dt:
01/14/1999
4
LAVEN, RALF
Exec Dt:
01/14/1999
5
EDELMANN, ROLAND
Exec Dt:
01/14/1999
6
JENKNER, PETER
Exec Dt:
01/14/1999
7
MACK, HELMUT
Exec Dt:
01/14/1999
8
HORN, MICHAEL
Exec Dt:
01/14/1999
Assignee
1
SIVENTO CHEMIE RHEINFELDEN GMBH
FRIEDRICHSTRASSE 48
79618 RHEINFELDEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6100418
NONE
09310145
Correspondence name and address
OBLON SPIVAK MCCLELLAND MAIER & NEUSTADT
NORMAN F. OBLON
1755 JEFFERSON DAVIS HIGHWAY, 4TH FLOOR
ARLINGTON, VA 22202
Assignment: 5
Reel/Frame:009937/0535   Pages: 3
Recorded: 04/28/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STANDKE, BURKHARD
Exec Dt:
01/27/1999
2
MONKIEWICZ, JAROSLAW
Exec Dt:
01/27/1999
3
FRINGS, ALBERT-JOHANNES
Exec Dt:
01/27/1999
4
LAVEN, RALF
Exec Dt:
01/27/1999
5
EDELMANN, ROLAND
Exec Dt:
01/27/1999
6
JENKNER, PETER
Exec Dt:
01/27/1999
7
MACK, HELMUT
Exec Dt:
01/27/1999
8
BARFURTH, DIETER
Exec Dt:
01/27/1999
9
HORN, MICHAEL
Exec Dt:
01/27/1999
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
MARL, D-45764, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6255513
NONE
09300448
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER &
NEUSTADT, P.C.
JOHN K. PIKE, PH.D., ATTORNEYS AT LAW
1755 JEFFERSON DAVIS HIGHWAY, 4TH. FLOOR
ARLINGTON, VIRGINIA 22202
Assignment: 6
Reel/Frame:009937/0548   Pages: 3
Recorded: 04/28/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STANDKE, BURKHARD
Exec Dt:
01/27/1999
2
MONKIEWICZ, JAROSLAW
Exec Dt:
01/27/1999
3
FRINGS, ALBERT-JOHANNES
Exec Dt:
01/27/1999
4
LAVEN, RALF
Exec Dt:
01/27/1999
5
EDELMANN, ROLAND
Exec Dt:
01/27/1999
6
JENKNER, PETER
Exec Dt:
01/27/1999
7
MACK, HELMUT
Exec Dt:
01/27/1999
8
BARFURTH, DIETER
Exec Dt:
01/27/1999
9
HORN, MICHAEL
Exec Dt:
01/27/1999
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
MARL, D-45764, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6239194
NONE
09300450
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER ET AL.
JOHN K. PIKE
ATTORNEYS AT LAW, FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VIRGINIA 22202
Assignment: 7
Reel/Frame:009900/0346   Pages: 3
Recorded: 04/21/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BICKERT, PETER
Exec Dt:
03/30/1999
2
LAVEN, RALF
Exec Dt:
03/30/1999
3
WEY, HANS GUENTHER
Exec Dt:
03/30/1999
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
D-45764 MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6281288
NONE
09261192
Correspondence name and address
OBLON, SPIVAK ET AL
RICHARD L. CHINN
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 8
Reel/Frame:010147/0403   Pages: 3
Recorded: 08/02/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EDELMANN, ROLAND
Exec Dt:
05/19/1999
2
FRINGS, ALBERT-JOHANNES
Exec Dt:
05/19/1999
3
HORN, MICHAEL
Exec Dt:
05/19/1999
4
JENKNER, PETER
Exec Dt:
05/19/1999
5
LAVEN, RALF
Exec Dt:
05/19/1999
6
MACK, HELMUT
Exec Dt:
05/19/1999
7
MONKIEWICZ, JAROSLAW
Exec Dt:
05/19/1999
8
ORLIA, WOLFGANG-WILHELM
Exec Dt:
05/19/1999
9
STANDKE, BURKHARD
Exec Dt:
05/19/1999
Assignee
1
DEGUSSA-HUELS AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
FRANKFURT AM MAIN D-60311, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6133466
NONE
09366325
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER ET AL
FREDERICK D. VASTINE
1755 JEFFERSON DAVIS HWY
FOURTH FLOOR, ATTORNEYS AT LAW
ARLINGTON, VA 22202
Assignment: 9
Reel/Frame:010355/0160   Pages: 4
Recorded: 10/27/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MACK, HELMUT
Exec Dt:
07/13/1999
2
BARFURTH, DIETER
Exec Dt:
07/13/1999
3
EDELMANN, ROLAND
Exec Dt:
07/13/1999
4
FRINGS, ALBERT-JOHANNES
Exec Dt:
07/13/1999
5
HORN, MICHAEL
Exec Dt:
07/13/1999
6
JENKNER, PETER
Exec Dt:
07/13/1999
7
LAVEN, RALF
Exec Dt:
07/13/1999
8
MONKIEWICZ, JAROSLAW
Exec Dt:
07/13/1999
9
STANDKE, BURKHARD
Exec Dt:
07/13/1999
Assignee
1
DEGUSSA-HUELS AKTIENGESELLSCHAFT
FRANKFURT, D-60287, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6395858
NONE
09427479
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND ET AL.
JAMES J. KELLY
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VIRGINIA 22202
Assignment: 10
Reel/Frame:010355/0792   Pages: 3
Recorded: 10/26/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LOEWENBERG, PETER
Exec Dt:
08/30/1999
2
KROPFGANS, FRANK
Exec Dt:
08/30/1999
3
LAVEN, RALF
Exec Dt:
08/30/1999
4
EDELMANN, ROLAND
Exec Dt:
08/30/1999
5
FRINGS, ALBERT-JOHANNES
Exec Dt:
08/30/1999
6
HORN, MICHAEL
Exec Dt:
08/30/1999
7
JENKNER, PETER
Exec Dt:
08/30/1999
8
MACK, HELMUT
Exec Dt:
08/30/1999
9
MONKIEWICZ, JAROSLAW
Exec Dt:
08/30/1999
10
STANDKE, BURKHARD
Exec Dt:
08/30/1999
Assignee
1
DEGUSSA-HUELS AKTIENGESELLSCHAFT
D-60287 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6177584
NONE
09427118
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, ET AL.
JOHN K. PIKE, PH.D.
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 11
Reel/Frame:010597/0159   Pages: 3
Recorded: 02/28/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STANDKE, BURKHARD
Exec Dt:
02/10/2000
2
EDELMANN, ROLAND
Exec Dt:
02/10/2000
3
FRINGS, ALBERT-JOHANNES
Exec Dt:
02/10/2000
4
HORN, MICHAEL
Exec Dt:
02/10/2000
5
JENKNER, PETER
Exec Dt:
02/10/2000
6
LAVEN, RALF
Exec Dt:
02/10/2000
7
MACK, HELMUT
Exec Dt:
02/10/2000
8
MONKIEWICZ, JAROSLAW
Exec Dt:
02/10/2000
9
SWITALLA, GUENTER
Exec Dt:
02/10/2000
Assignee
1
DEGUSSA-HUELS AKTIENGESELLSCHAFT
D-60287 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6534667
NONE
09514356
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER
& NEUSTADT, P.C.
JAMES J. KELLY
1755 JEFFERSON DAVIS HIGHWAY, 4TH FLOOR
ARLINGTON, VA 22202
Assignment: 12
Reel/Frame:011056/0399   Pages: 3
Recorded: 08/29/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MACK, HELMUT
Exec Dt:
07/20/2000
2
LAVEN, RALF
Exec Dt:
07/20/2000
3
JENKNER, PETER
Exec Dt:
07/20/2000
4
EDELMANN, ROLAND
Exec Dt:
07/20/2000
5
BARFURTH, DIETER
Exec Dt:
07/20/2000
6
FRINGS, ALBERT-JOHANNES
Exec Dt:
07/20/2000
7
STANDKE, BURKHARD
Exec Dt:
07/20/2000
8
MONKIEWICZ, JAROSLAW
Exec Dt:
07/20/2000
9
HORN, MICHAEL
Exec Dt:
07/20/2000
Assignee
1
DEGUSSA-HUELS AKTIENGESELLSCHAFT
D-60287 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6403228
NONE
09604273
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER ET AL.
RICHARD L. CHINN, PH.D.
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VIRGINIA 22202
Assignment: 13
Reel/Frame:011274/0980   Pages: 3
Recorded: 11/13/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LOEWENBERG, PETER
Exec Dt:
07/20/2000
2
SCHLOSSER, THOMAS
Exec Dt:
07/20/2000
3
HORN, MICHAEL
Exec Dt:
07/20/2000
4
LAVEN, RALF
Exec Dt:
07/20/2000
5
MONKIEWICZ, JAROSLAW
Exec Dt:
07/20/2000
Assignee
1
DEGUSSA-HUELS AKTIENGESELLSHAFT
D-60287 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6323356
NONE
09709459
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER ET AL
JOHN K. PIKE
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VIRGINIA 22202
Assignment: 14
Reel/Frame:011883/0457   Pages: 4
Recorded: 06/08/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JENKNER, PETER
Exec Dt:
02/06/2001
2
EDELMANN, ROLAND
Exec Dt:
02/06/2001
3
FRINGS, ALBERT-JOHANNES
Exec Dt:
02/06/2001
4
HORN, MICHAEL
Exec Dt:
02/06/2001
5
LAVEN, RALF
Exec Dt:
02/06/2001
6
MACK, HELMUT
Exec Dt:
02/06/2001
7
MONKIEWICZ, JAROSLAW
Exec Dt:
02/06/2001
8
STANDKE, BURKHARD
Exec Dt:
02/06/2001
9
JUST, ECKHARD
Exec Dt:
02/06/2001
Assignee
1
DEGUSSA HUELS AG
60287 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6361871
NONE
09495312
Correspondence name and address
OBLON, SPIVAK, MCLELLAND ET AL.
HARRIS A. PITLICK
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 15
Reel/Frame:011738/0527   Pages: 4
Recorded: 04/27/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EDELMANN, ROLAND
Exec Dt:
03/09/2001
2
FRINGS, ALBERT-JOHANNES
Exec Dt:
03/09/2001
3
HORN, MICHAEL
Exec Dt:
03/09/2001
4
JENKNER, PETER
Exec Dt:
03/09/2001
5
JUST, ECKHARD
Exec Dt:
03/09/2001
6
KAUSSEN, MANFRED
Exec Dt:
03/30/2001
7
LAVEN, RALF
Exec Dt:
03/09/2001
8
LOHMANN, HELMUT
Exec Dt:
04/07/2001
9
MACK, HELMUT
Exec Dt:
03/09/2001
10
MONKIEWICZ, JAROSLAW
Exec Dt:
03/09/2001
11
RAMLOW, STEPHAN
Exec Dt:
04/22/2001
12
STANDKE, BURKHARD
Exec Dt:
03/09/2001
13
TAEGER, TILMAN
Exec Dt:
04/13/2001
Assignee
1
DEGUSSA-HUELS AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSEG
D-60287 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6251989
NONE
09318839
Correspondence name and address
OBLON SPIVAK MCCLELLAND MAIER ET AL
NORMAN F. OBLON
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON , VA 22202
Assignment: 16
Reel/Frame:012428/0428   Pages: 5
Recorded: 01/02/2002
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE'S ADDRESS. FILED ON 04-27-01, RECORDED ON REEL 011738 FRAME 0527 ASSIGNOR HEREBY CONFIRMS THE ASSIGNMENT OF THE ENTIRE INTEREST.
Assignors
1
EDELMANN, ROLAND
Exec Dt:
03/09/2001
2
FRINGS, ALBERT-JOHANNES
Exec Dt:
03/09/2001
3
HORN, MICHAEL
Exec Dt:
03/09/2001
4
JENKNER, PETER
Exec Dt:
03/09/2001
5
JUST, ECKHARD
Exec Dt:
03/09/2001
6
KAUSSEN, MANFRED
Exec Dt:
03/30/2001
7
LAVEN, RALF
Exec Dt:
03/09/2001
8
LOHMANN, HELMUT
Exec Dt:
04/07/2001
9
MACK, HELMUT
Exec Dt:
03/09/2001
10
MONKIEWICZ, JAROSLAW
Exec Dt:
03/09/2001
11
RAMLOW, STEPHAN
Exec Dt:
04/22/2001
12
STANDKE, BURKHARD
Exec Dt:
03/09/2001
13
TAEGER, TILMAN
Exec Dt:
04/13/2001
Assignee
1
DEGUSSA-HUELS AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
D-60287 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6251989
NONE
09318839
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER, ETAL
NORMAN F. OBLON
FOURTH FLOOR
1755 JEFFERSON DAVIS HWY.
ARLINGTON, VA., 22202
Assignment: 17
Reel/Frame:012265/0993   Pages: 3
Recorded: 10/19/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STANDKE, BURKHARD
Exec Dt:
07/02/2001
2
MONKIEWICZ, JAROSLAW
Exec Dt:
07/02/2001
3
FRINGS, ALBERT-JOHANNES
Exec Dt:
07/02/2001
4
LAVEN, RALF
Exec Dt:
07/02/2001
5
EDELMANN, ROLAND
Exec Dt:
07/02/2001
6
JENKNER, PETER
Exec Dt:
07/02/2001
7
MACK, HELMUT
Exec Dt:
07/02/2001
8
HORN, MICHAEL
Exec Dt:
07/02/2001
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
D-40474 DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6528585
NONE
09830157
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, ET AL.
NORMAN F. OBLON
1755 JEFF. DAVIS HWY., 4TH FLOOR
ARLINGTON, VA 22202

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