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Patent Assignment Assignor Details
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Assignor Name : MICHALCZAK, HANS-WERNER
Total Assignments: 11
Assignment: 1
Reel/Frame:005880/0145   Pages: 3
Recorded: 10/22/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BOHMHOLDT, GERD
Exec Dt:
06/12/1989
2
DISTELDORF, JOSEF
Exec Dt:
06/08/1989
3
KIRCHNER, PETER
Exec Dt:
06/07/1989
4
MICHALCZAK, HANS-WERNER
Exec Dt:
06/08/1989
Assignee
1
HUELS AKTIENGESELLSCHAFT
1 PAUL BAUMANN STRASSE
MARL, WEST GERMANY, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5087739
NONE
07707948
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER
& NEUSTADT
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 2
Reel/Frame:006523/0881   Pages: 3
Recorded: 04/02/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BOHMHOLDT, GERD
Exec Dt:
02/09/1993
2
HEITMANN, WILHELM
Exec Dt:
02/11/1993
3
KIRCHNER, PETER
Exec Dt:
02/01/1993
4
MICHALCZAK, HANS-WERNER
Exec Dt:
02/03/1993
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN STRASSE 1
MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5360931
NONE
08042282
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER AND
NEUSTADT, P.C., ATTORNEYS AT LAW
J. DEREK MASON, FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VIRGINIA 22202
Assignment: 3
Reel/Frame:015714/0225   Pages: 3
Recorded: 08/20/2004
Attorney Dkt #:249951US0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOHLSTRUK, STEPHAN
Exec Dt:
06/09/2004
2
KRECZINSKI, MANFRED
Exec Dt:
06/09/2004
3
ELM, RAINER
Exec Dt:
06/09/2004
4
MICHALCZAK, HANS-WERNER
Exec Dt:
06/09/2004
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
D-40474 DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7329776
US20050043562
10921934
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 4
Reel/Frame:015938/0857   Pages: 3
Recorded: 10/29/2004
Attorney Dkt #:250255USO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOHLSTRUK, STEPHAN
Exec Dt:
09/28/2004
2
KRECZINSKI, MANFRED
Exec Dt:
09/28/2004
3
ELM, RAINER
Exec Dt:
09/28/2004
4
MICHALCZAK, HANS-WERNER
Exec Dt:
09/28/2004
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
D-40474 DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7339074
US20050043563
10922910
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 5
Reel/Frame:015939/0078   Pages: 3
Recorded: 10/29/2004
Attorney Dkt #:251028US0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOHLSTRUK, STEPHAN
Exec Dt:
10/04/2004
2
KRECZINSKI, MANFRED
Exec Dt:
10/04/2004
3
ELM, RAINER
Exec Dt:
10/04/2004
4
MICHALCZAK, HANS-WERNER
Exec Dt:
10/04/2004
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1, D-40474
DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7307186
US20050043561
10917463
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 6
Reel/Frame:016455/0570   Pages: 3
Recorded: 04/07/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOHLSTRUCK, STEPHAN
Exec Dt:
01/16/2005
2
KRECZINSKI, MANFRED
Exec Dt:
01/16/2005
3
MICHALCZAK, HANS-WERNER
Exec Dt:
01/16/2005
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
D-40474, DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7557242
US20050250960
11100603
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 7
Reel/Frame:017078/0228   Pages: 4
Recorded: 10/11/2005
Conveyance: CORRECTED FORM PTO-1595 TO CORRECT ASSIGNOR # 1"S NAME PREVIOUSLY RECORDED ON REEL 016455 FRAME 0570
Assignors
1
KOHLSTRUK, STEPHAN
Exec Dt:
01/16/2005
2
KRECZINSKI, MANFRED
Exec Dt:
01/16/2005
3
MICHALCZAK, HANS-WERNER
Exec Dt:
01/16/2005
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
D-40474, DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7557242
US20050250960
11100603
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 8
Reel/Frame:016462/0367   Pages: 3
Recorded: 04/08/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOHLSTRUK, STEPHAN
Exec Dt:
02/16/2005
2
KRECZINSKI, MANFRED
Exec Dt:
02/16/2005
3
MICHALCZAK, HANS-WERNER
Exec Dt:
02/16/2005
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DUESSELDORF, GERMANY D-40474
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7420080
US20050267310
11101428
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 9
Reel/Frame:016801/0583   Pages: 3
Recorded: 07/21/2005
Attorney Dkt #:268280US0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOHLSTRUK, STEPHAN
Exec Dt:
06/22/2005
2
KRECZINSKI, MANFRED
Exec Dt:
06/22/2005
3
MICHALCZAK, HANS-WERNER
Exec Dt:
06/22/2005
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
D-40474, DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7371891
US20060025626
11185776
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 10
Reel/Frame:020517/0786   Pages: 8
Recorded: 02/15/2008
Attorney Dkt #:308524US0PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOPPE, DIRK
Exec Dt:
05/14/2007
2
LOMOELDER, RAINER
Exec Dt:
05/16/2007
3
KOHLSTRUK, STEPHAN
Exec Dt:
05/08/2007
4
MICHALCZAK, HANS-WERNER
Exec Dt:
05/07/2007
Assignee
1
DEGUSSA GMBH
BENNIGSENPLATZ 1
DUESSELDORF, GERMANY 40474
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100168329
11720812
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 11
Reel/Frame:022887/0613   Pages: 10
Recorded: 06/29/2009
Attorney Dkt #:342050US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MICHALCZAK, HANS-WERNER
Exec Dt:
04/14/2009
2
KOHLSTRUK, STEPHAN
Exec Dt:
04/14/2009
3
KRECZINSKI, MANFRED
Exec Dt:
04/15/2009
4
GRUND, GERDA
Exec Dt:
04/15/2009
5
LOMOELDER, RAINER
Exec Dt:
04/17/2009
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8816125
US20100036154
12519795
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314

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