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Patent Assignment Assignor Details
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Assignor Name : SIRAK, SOFIA
Total Assignments: 9
Assignment: 1
Reel/Frame:045054/0388   Pages: 8
Recorded: 02/27/2018
Attorney Dkt #:510849US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIRAK, SOFIA
Exec Dt:
12/13/2017
2
PLETSCH, HOLGER
Exec Dt:
12/18/2017
3
KEMPER, MARIUS
Exec Dt:
12/18/2017
Assignee
1
EVONIK OIL ADDITIVES GMBH
KIRSCHENALLEE
DARMSTADT, GERMANY 64293
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10787623
US20180245013
15906700
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 2
Reel/Frame:047524/0008   Pages: 14
Recorded: 11/16/2018
Attorney Dkt #:517599US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIRAK, SOFIA
Exec Dt:
03/08/2018
2
SHAKHVOROSTOV, DMITRIY
Exec Dt:
03/09/2018
3
BERWING, INES
Exec Dt:
06/27/2018
4
BINGEL, DENISE
Exec Dt:
03/09/2018
Assignee
1
EVONIK OIL ADDITIVES GMBH
KIRSCHENALLEE
DARMSTADT, GERMANY 64293
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11359042
US20200262953
16302228
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 3
Reel/Frame:048108/0719   Pages: 17
Recorded: 01/23/2019
Attorney Dkt #:518985US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIRAK, SOFIA
Exec Dt:
11/15/2018
2
TURHAN, CAN METEHAN
Exec Dt:
11/05/2018
3
NESS, DANIEL
Exec Dt:
11/07/2018
4
HOLTZINGER, JENNIFER
Exec Dt:
11/05/2018
5
CORNELIUS, MAXIMILIAN
Exec Dt:
11/21/2018
Assignee
1
EVONIK OIL ADDITIVES GMBH
KIRSCHENALLEE
DARMSTADT, GERMANY 64293
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10954466
US20190264127
16319947
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 4
Reel/Frame:053214/0108   Pages: 30
Recorded: 07/15/2020
Attorney Dkt #:060042-00377
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIEBER, STEPHAN
Exec Dt:
05/05/2020
2
SIRAK, SOFIA
Exec Dt:
04/01/2020
3
NESS, DANIEL
Exec Dt:
04/02/2020
4
WILKENS, ROLAND
Exec Dt:
05/25/2020
5
JÜSTEL, REBECCA
Exec Dt:
04/06/2020
6
SCHMITT, GÜNTER
Exec Dt:
04/01/2020
7
HAGEMANN, MICHAEL
Exec Dt:
05/11/2020
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11180712
US20210062106
16962268
Correspondence name and address
NEXSEN PRUET PLLC
227 WEST TRADE STREET
SUITE 1550
CHARLOTTE, NC 28202
Assignment: 5
Reel/Frame:054203/0636   Pages: 34
Recorded: 09/30/2020
Attorney Dkt #:77830-1216
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIEBER, STEPHAN
Exec Dt:
05/05/2020
2
KRONSCHNABL, CHRISTOFER PHILIPP
Exec Dt:
04/07/2020
3
SONDJAJA, RONNY
Exec Dt:
04/02/2020
4
SIRAK, SOFIA
Exec Dt:
04/01/2020
5
NESS, DANIEL
Exec Dt:
04/21/2020
6
WILKENS, ROLAND
Exec Dt:
04/21/2020
7
SCHMITT, GÜNTER
Exec Dt:
04/17/2020
8
TURHAN, CAN METEHAN
Exec Dt:
09/25/2020
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11198833
US20200369977
16958236
Correspondence name and address
TAYLOR ENGLISH DUMA LLP
1600 PARKWOOD CIRCLE
SUITE 200
ATLANTA, GA 30339
Assignment: 6
Reel/Frame:053497/0753   Pages: 17
Recorded: 08/14/2020
Attorney Dkt #:060042-00380
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIRAK, SOFIA
Exec Dt:
07/02/2020
2
LANGSTON, JUSTIN
Exec Dt:
07/14/2020
3
WALKUP, GABRIEL
Exec Dt:
07/14/2020
4
MCGREGOR, THOMAS
Exec Dt:
07/23/2020
5
MCFADDEN, BENJAMIN
Exec Dt:
08/07/2020
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11421180
US20200354646
16965666
Correspondence name and address
NEXSEN PRUET PLLC
227 WEST TRADE STREET
SUITE 1550
CHARLOTTE, NC 28202
Assignment: 7
Reel/Frame:063962/0526   Pages: 12
Recorded: 06/15/2023
Attorney Dkt #:005286USPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MÄHLING, FRANK-OLAF
Exec Dt:
01/13/2023
2
STIMEIER, MARIA
Exec Dt:
02/15/2023
3
SCHIMMEL, THOMAS
Exec Dt:
02/15/2023
4
MAIER, STEFAN KARL
Exec Dt:
02/22/2023
5
SIRAK, SOFIA
Exec Dt:
02/22/2023
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240043768
18257675
Correspondence name and address
GRUNEBERG AND MYERS PLLC
1775 TYSONS BLVD
5TH FLOOR
TYSONS, VA 22102
Assignment: 8
Reel/Frame:063661/0140   Pages: 10
Recorded: 05/16/2023
Attorney Dkt #:005104US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XU, LIANG
Exec Dt:
04/28/2023
2
SIRAK, SOFIA
Exec Dt:
04/28/2023
3
ZHUK, IRYNA
Exec Dt:
04/28/2023
4
MEISTER, CLAUDIA
Exec Dt:
04/28/2023
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230416596
18307714
Correspondence name and address
GRUNEBERG AND MYERS PLLC
1775 TYSONS BLVD
5TH FLOOR
TYSONS, VA 22102
Assignment: 9
Reel/Frame:063752/0513   Pages: 10
Recorded: 05/24/2023
Attorney Dkt #:005103US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XU, LIANG
Exec Dt:
05/08/2023
2
SIRAK, SOFIA
Exec Dt:
05/08/2023
3
ZHUK, IRYNA
Exec Dt:
05/08/2023
4
MEISTER, CLAUDIA
Exec Dt:
05/08/2023
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230348777
18308169
Correspondence name and address
GRUNEBERG AND MYERS PLLC
1775 TYSONS BLVD
5TH FLOOR
TYSONS, VA 22102

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