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Patent Assignment Assignor Details
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Assignor Name : DROSTE, WILHELM
Total Assignments: 15
Assignment: 1
Reel/Frame:005415/0487   Pages: 3
Recorded: 08/22/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LUEKEN, HANS-GERD
Exec Dt:
10/03/1988
2
TANGER, UWE
Exec Dt:
10/04/1988
3
DROSTE, WILHELM
Exec Dt:
10/05/1988
4
LUDWIG, GERHARD
Exec Dt:
10/19/1988
5
GUBISCH, DIETMAR
Exec Dt:
10/13/1988
Assignee
1
HUELS AKTIENGESELLSCHAFT
POSTFACH 1320
MARL, WEST GERMANY, GERMANY D-4370
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4968849
NONE
07279078
Correspondence name and address
OBLON, FISHER, SPIVAK,
MC CLELLAND & MAIER
CRYSTAL SQUARE FIVE - STE. 400
1755 SOUTH JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 2
Reel/Frame:005212/0130   Pages: 2
Recorded: 01/10/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
THELEN, GERHARD
Exec Dt:
03/31/1989
2
BARTELS, HARALD
Exec Dt:
03/31/1989
3
DROSTE, WILHELM
Exec Dt:
04/10/1989
4
DEPPE, HERBERT
Exec Dt:
04/10/1989
Assignee
1
HUELS AKTIENGESELLSCHAFT
POSTFACH 1320
D-4370 MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4912271
NONE
07339721
Correspondence name and address
OBLON, FISHER, SPIVAK, MC CLELLAND &
MAIER, FOURTH FLOOR
1755 JEFFERSON DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 3
Reel/Frame:006059/0806   Pages: 3
Recorded: 03/31/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WILDT, THOMAS
Exec Dt:
04/21/1989
2
NIERLICH, FRANZ
Exec Dt:
04/21/1989
3
DROSTE, WILHELM
Exec Dt:
04/25/1989
4
NEUMEISTER, JOACHIM
Exec Dt:
04/24/1989
5
SCHOLZ, BERNHARD
Exec Dt:
04/24/1989
Assignee
1
HUELS AKTIENGESELLSCHAFT
D-4370 MARL, POSTFACH 13 20
WEST GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5146039
NONE
07608623
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER ET AL
C. IRVIN MCCLELLAND
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 4
Reel/Frame:006270/0591   Pages: 3
Recorded: 09/21/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NIERLICH, FRANZ
Exec Dt:
08/18/1992
2
NEUMEISTER, JOACHIM
Exec Dt:
08/19/1992
3
WILDT, THOMAS
Exec Dt:
08/18/1992
4
DROSTE, WILHELM
Exec Dt:
08/06/1992
5
OBENAUS, FRITZ
Exec Dt:
08/20/1992
Assignee
1
HUELS AKTIENGESELLSCHAFT
POSTFACH 1320, D-4370 MARL WEST GERMANY
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5177282
NONE
07503951
Correspondence name and address
C. IRVIN MCCLELLAND
OBLON, SPIVAK, MCCLELLAND, MAIER
& NEUSTADT, P.C.
1755 JEFFERSON DAVIS HIGHWAY, 4TH FLOOR
ARLINGTON, VA 22202
Assignment: 5
Reel/Frame:008702/0554   Pages: 3
Recorded: 07/24/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NIERLICH, FRANZ
Exec Dt:
06/26/1997
2
OLBRICH, PAUL
Exec Dt:
06/26/1997
3
DROSTE, WILHELM
Exec Dt:
06/20/1997
4
MUELLER, RICHARD
Exec Dt:
06/23/1997
5
TOETSCH, WALTER
Exec Dt:
06/23/1997
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5912191
NONE
08899797
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER, ET AL.
J. DEREK MASON
1755 JEFFERSON DAVIS HIGHWAY, FOURTH FLR
ARLINGTON, VIRGINIA 22202
Assignment: 6
Reel/Frame:008725/0970   Pages: 3
Recorded: 07/24/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NIERLICH, FRANZ
Exec Dt:
06/26/1997
2
TOETSCH, WALTER
Exec Dt:
06/23/1997
3
OLBRICH, PAUL
Exec Dt:
06/19/1997
4
DROSTE, WILHELM
Exec Dt:
06/20/1997
5
MUELLER, RICHARD
Exec Dt:
06/23/1997
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
D-45764 MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5994601
NONE
08899819
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER ET AL.
JOHN K. PIKE, PH.D.
ATTORNEYS AT LAW, FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 7
Reel/Frame:008702/0563   Pages: 3
Recorded: 07/24/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NIERLICH, FRANZ
Exec Dt:
06/26/1997
2
OLBRICH, PAUL
Exec Dt:
06/26/1997
3
DROSTE, WILHELM
Exec Dt:
06/26/1997
4
MUELLER, RICHARD
Exec Dt:
06/27/1997
5
TOETSCH, WALTER
Exec Dt:
06/30/1997
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
MARL, GERMANY D-457
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5864052
NONE
08899792
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, ET AL.
NORMAN F. OBLON
1755 JEFFERSON DAVIS HWY., FOURTH FLOOR
ARLINGTON, VIRGINIA 22202
Assignment: 8
Reel/Frame:009073/0683   Pages: 3
Recorded: 04/01/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NIERLICH, FRANZ
Exec Dt:
09/24/1997
2
OLBRICH, PAUL
Exec Dt:
09/24/1997
3
DROSTE, WILHELM
Exec Dt:
09/24/1997
4
MUELLER, RICHARD
Exec Dt:
09/24/1997
5
TOETSCH, WALTER
Exec Dt:
09/24/1997
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5998685
NONE
08899897
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, ET AL.
NORMAN F. OBLON
ATTORNEYS AT LAW, FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VIRGINIA 22202
Assignment: 9
Reel/Frame:010429/0231   Pages: 3
Recorded: 11/30/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHULER, JOACHIM
Exec Dt:
11/08/1999
2
KAIZIK, ALFRED
Exec Dt:
11/08/1999
3
SCHOLZ, BERNHARD
Exec Dt:
11/08/1999
4
BUESCHKEN, WILFRIED
Exec Dt:
11/08/1999
5
DROSTE, WILHELM
Exec Dt:
11/08/1999
Assignee
1
OXENO OLEFINCHEMIE GMBH
PAUL-BAUMANN-STRASSE 1
D-45772 MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6239318
NONE
09396210
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND ET AL.
RICHARD L. CHINN, PH.D.
1755 JEFFERSON DAVIS HIGHWAY
FOURTH FLOOR
ARLINGTON, VA 22202
Assignment: 10
Reel/Frame:012044/0763   Pages: 3
Recorded: 07/31/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NIERLICH, FRANZ
Exec Dt:
05/18/2001
2
OLBRICH, PAUL
Exec Dt:
05/18/2001
3
DROSTE, WILHELM
Exec Dt:
05/18/2001
4
MUELLER, RICHARD
Exec Dt:
05/18/2001
5
TOETSCH, WALTER
Exec Dt:
05/18/2001
Assignee
1
OXENO OLEFINCHEMIE GMBH
PAUL-BAUMANN-STRASSE 1
45772 MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020026087
09917885
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER ET AL
FREDERICK D. VASTINE
1755 JEFFERSON DAVIS HIGHWAY
ATTORNEYS AT LAW, FOURTH FLOOR
ARLINGTON, VA 22202
Assignment: 11
Reel/Frame:016477/0858   Pages: 3
Recorded: 04/20/2005
Attorney Dkt #:260379US0XPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAIZIK, ALFRED
Exec Dt:
10/22/2004
2
TOETSCH, WALTER
Exec Dt:
10/22/2004
3
DROSTE, WILHELM
Exec Dt:
10/22/2004
4
BUESCHKEN, WILFRIED
Exec Dt:
10/22/2004
5
ROETTGER, DIRK
Exec Dt:
10/22/2004
6
WIESE, KLAUS-DIETHER
Exec Dt:
10/22/2004
Assignee
1
OXENO OLEFINCHEMIE GMBH
PAUL-BAUMANN-STRASSE 1
MARL 45772, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7138552
US20050234270
10513360
Correspondence name and address
OBLON SPIVAK MCCLELLAND MAIER & NEUSTADT
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 12
Reel/Frame:017787/0614   Pages: 3
Recorded: 04/13/2006
Attorney Dkt #:263528US0XPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OBENAUS, FRITZ
Exec Dt:
01/20/2005
2
SCHOLZ, BERNHARD
Exec Dt:
01/20/2005
3
MALZKORN, RAINER
Exec Dt:
01/20/2005
4
PRAEFKE, JOCHEN
Exec Dt:
01/20/2005
5
NEUMEISTER, JOACHIM
Exec Dt:
01/20/2005
6
DROSTE, WILHELM
Exec Dt:
01/20/2005
7
NIERLICH, FRANZ
Exec Dt:
01/20/2005
8
PETERS, UDO
Exec Dt:
01/20/2005
9
FILIPIAK, RICHARD
Exec Dt:
01/20/2005
Assignee
1
OXENO OLEFINCHEMIE GMBH
PAUL-BAUMANN-STRASSE 1
MARL 45772, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7304188
US20060264681
10519397
Correspondence name and address
OBLON SPIVAK MCCLELLAND MAIER & NEUSTADT
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 13
Reel/Frame:017318/0663   Pages: 3
Recorded: 12/02/2005
Attorney Dkt #:275625US0X
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUEKEN, HANS-GERD
Exec Dt:
09/14/2005
2
KAIZIK, ALFRED
Exec Dt:
09/14/2005
3
DREES, STEFAN
Exec Dt:
09/14/2005
4
BUESCHKEN, WILFRIED
Exec Dt:
09/14/2005
5
DROSTE, WILHELM
Exec Dt:
09/14/2005
Assignee
1
DEGUSS AG
BENNIGSENPLATZ 1
D-40474 DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7179947
US20060128998
11291858
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 14
Reel/Frame:017752/0153   Pages: 4
Recorded: 04/04/2006
Conveyance: RE-RECORD TO CORRECT THE NAME OF THE ASSIGNEE, PREVIOUSLY RECORDED ON REEL 017318 FRAME 0663.
Assignors
1
LUEKEN, HANS-GERD
Exec Dt:
09/14/2005
2
KAIZIK, ALFRED
Exec Dt:
09/14/2005
3
DREES, STEFAN
Exec Dt:
09/14/2005
4
BUESCHKEN, WILFRIED
Exec Dt:
09/14/2005
5
DROSTE, WILHELM
Exec Dt:
09/14/2005
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
D-40474 DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7179947
US20060128998
11291858
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER, ET AL
1940 DUKE STREET
ALEXANDRIA, VIRGINIA 22314
Assignment: 15
Reel/Frame:018664/0043   Pages: 3
Recorded: 12/05/2006
Attorney Dkt #:275625USOX
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUEKEN, HANS-GERD
Exec Dt:
09/14/2005
2
KAIZIK, ALFRED
Exec Dt:
09/14/2005
3
DREES, STEFAN
Exec Dt:
09/14/2005
4
BUESCHKEN, WILFRIED
Exec Dt:
09/14/2005
5
DROSTE, WILHELM
Exec Dt:
09/14/2005
Assignee
1
OXENO OLEFINCHEMIE GMBH
PAUL-BAUMANN-STRASSE 1
45764 MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7179947
US20060128998
11291858
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & ET AL
1940 DUKE STREET
ALEXANDRIA, VA 22314

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