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Patent Assignment Assignor Details
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Assignor Name : WU, RUIWEN
Total Assignments: 5
Assignment: 1
Reel/Frame:049607/0851   Pages: 8
Recorded: 06/27/2019
Attorney Dkt #:COV161140PCT01-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IRLE, CHRISTOPH
Exec Dt:
03/28/2019
2
GROTH, STEFAN
Exec Dt:
03/28/2019
3
WU, RUIWEN
Exec Dt:
04/03/2019
4
MIDOLO, ANTONIO
Exec Dt:
04/03/2019
5
MALEIKA, ROBERT
Exec Dt:
03/28/2019
6
LI, HONGCHAO
Exec Dt:
04/01/2019
7
LIU, HAO
Exec Dt:
04/01/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10730997
US20190270843
16344972
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 2
Reel/Frame:050179/0080   Pages: 7
Recorded: 08/27/2019
Attorney Dkt #:COV161139PCT01-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IRLE, CHRISTOPH
Exec Dt:
05/16/2019
2
GROTH, STEFAN
Exec Dt:
05/20/2019
3
WU, RUIWEN
Exec Dt:
05/20/2019
4
MIDOLO, ANTONIO
Exec Dt:
05/20/2019
5
MALEIKA, ROBERT
Exec Dt:
08/14/2019
6
LI, HONGCHAO
Exec Dt:
05/20/2019
7
LIU, HAO
Exec Dt:
05/20/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10752728
US20190270842
16344967
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 3
Reel/Frame:051300/0160   Pages: 3
Recorded: 12/17/2019
Attorney Dkt #:2017P30061WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GROTH, STEFAN
Exec Dt:
09/02/2019
2
WU, RUIWEN
Exec Dt:
09/02/2019
3
MIDOLO, ANTONIO
Exec Dt:
09/02/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11091431
US20200115328
16623423
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 4
Reel/Frame:054944/0582   Pages: 20
Recorded: 01/18/2021
Attorney Dkt #:2018P30082WOUS01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MERKEL, MICHAEL
Exec Dt:
10/09/2020
2
WILMES, OSWALD
Exec Dt:
10/08/2020
3
DRUMM, CHRISTIAN
Exec Dt:
10/08/2020
4
WU, RUIWEN
Exec Dt:
10/26/2020
5
GROTH, STEFAN
Exec Dt:
10/26/2020
6
FAN, WENBIN
Exec Dt:
10/12/2020
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210284787
17261073
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 5
Reel/Frame:058873/0689   Pages: 5
Recorded: 02/03/2022
Attorney Dkt #:2019P30185WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, HONGCHAO
Exec Dt:
10/08/2021
2
ZHU, ZHE
Exec Dt:
10/13/2021
3
LIU, JINGMEI
Exec Dt:
10/18/2021
4
DING, PINGBO
Exec Dt:
10/07/2021
5
WANG, YUEFENG
Exec Dt:
10/09/2021
6
WU, RUIWEN
Exec Dt:
10/06/2021
7
MALEIKA, ROBERT
Exec Dt:
10/06/2021
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220282026
17632544
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

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