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Patent Assignment Assignor Details
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Assignor Name : CHU, GUANGWEN
Total Assignments: 15
Assignment: 1
Reel/Frame:014444/0595   Pages: 3
Recorded: 03/19/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, JIANFENG
Exec Dt:
10/14/2003
2
LIU, XIAOLIN
Exec Dt:
10/14/2003
3
SHEN, ZHIGANG
Exec Dt:
10/14/2003
4
CHU, GUANGWEN
Exec Dt:
10/14/2003
Assignee
1
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
NO. 15, BEISANHUAN EAST ROAD
CHAOYANG DISTRICT
BEIJING 100029, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8715614
US20050019248
10624944
Correspondence name and address
DARBY & DARBY P.C.
PAUL F. FEHINER, PH.D.
P.O. BOX 5257
NEW YORK, NY 10150-5257
Assignment: 2
Reel/Frame:021831/0847   Pages: 7
Recorded: 11/10/2008
Attorney Dkt #:0004388usu/4192
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DING, JIANSHENG
Exec Dt:
09/19/2007
2
CHEN, JIANFENG
Exec Dt:
09/18/2007
3
ZHANG, HONGKE
Exec Dt:
09/21/2007
4
ZOU, HAIKUI
Exec Dt:
09/18/2007
5
HUA, WEIQI
Exec Dt:
09/21/2007
6
ZHANG, PENGYUAN
Exec Dt:
09/18/2007
7
SUN, SHUCHANG
Exec Dt:
09/18/2007
8
CHU, GUANGWEN
Exec Dt:
09/18/2007
9
ZU, LIMIN
Exec Dt:
09/18/2007
Assignee
1
NIGBO WANHUA POLYURETHANES CO., LTD.
WANJUA INDUSTRIAL PARK
NO. 39 HUANDAO NORTH ROAD, DAZIED DEVELOPMENT ZONE
NINGBO, ZHEJIANG 315812 P.R., CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7893301
US20080249261
11873056
Correspondence name and address
OHLANDT, GREELEY, RUGGIERO & PERLE, LLP
ONE LANDMARK SQUARE, 10TH FLOOR
STAMFORD, CT 06901
Assignment: 3
Reel/Frame:022124/0072   Pages: 9
Recorded: 01/19/2009
Attorney Dkt #:0004388USU
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNOR'S NAME FROM LIMIN ZU TO LIMIN XU AND ALSO CORRECT ASSIGNEE'S NAME AND ADDRESS PREVIOUSLY RECORDED ON REEL 021831 FRAME 0847. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT OF ASSIGNOR'S INTEREST.
Assignors
1
DING, JIANSHENG
Exec Dt:
09/19/2007
2
CHEN, JIANFENG
Exec Dt:
09/18/2007
3
ZHANG, HONGKE
Exec Dt:
09/21/2007
4
ZOU, HAIKUI
Exec Dt:
09/18/2007
5
HUA, WEIQI
Exec Dt:
09/21/2007
6
ZHANG, PENGYUAN
Exec Dt:
09/18/2007
7
SUN, SHUCHANG
Exec Dt:
09/18/2007
8
CHU, GUANGWEN
Exec Dt:
09/18/2007
9
XU, LIMIN
Exec Dt:
09/18/2007
Assignee
1
NINGBO WANHUA POLYURETHANES CO., LTD
WANHUA INDUSTRIAL PARK
NO. 39 HUANDAO NORTH ROAD, DAXIE DEVELOPMENT ZONE
NINGBO, ZHEJIANG 315812 P.R., CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7893301
US20080249261
11873056
Correspondence name and address
OHLANDT, GREELEY, RUGGIERO & PERLE
ONE LANDMARK SQUARE
10TH FLOOR
STAMFORD, CT 06901
Assignment: 4
Reel/Frame:024180/0453   Pages: 10
Recorded: 04/02/2010
Attorney Dkt #:0004388USU/4192
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE INFORMATION BY ADDING MISSING SECOND ASSIGNEE PREVIOUSLY RECORDED ON REEL 022124 FRAME 0072. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT OF ASSIGNOR'S INTEREST.
Assignors
1
DING, JIANSHENG
Exec Dt:
09/19/2007
2
CHEN, JIANFENG
Exec Dt:
09/18/2007
3
ZHANG, HONGKE
Exec Dt:
09/21/2007
4
ZOU, HAIKUI
Exec Dt:
09/18/2007
5
HUA, WEIQI
Exec Dt:
09/21/2007
6
ZHANG, PENGYUAN
Exec Dt:
09/18/2007
7
SUN, SHUCHANG
Exec Dt:
09/18/2007
8
CHU, GUANGWEN
Exec Dt:
09/18/2007
9
XU, LIMIN
Exec Dt:
09/18/2007
Assignees
1
NINGBO WANHUA POLYURETHANES CO., LTD.
WANHUA INDUSTRIAL PARK, NINGBO DAXIE ECONOMIC DEVELOPMENT ZONE
NINGBO, ZHEJIANG PROVINCE, CHINA 315812
2
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
P.O. BOX 35, NO. 15 BEISANHUAN EAST ROAD
CHAOYANG DISTRICT, BEIJING, CHINA 100029
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7893301
US20080249261
11873056
Correspondence name and address
CHARLES N.J. RUGGIERO
OHLANDT, GREELEY, RUGGIERO & PERLE, LLP
ONE LANDMARK SQUARE, 10TH FLOOR
STAMFORD, CT 06901
Assignment: 5
Reel/Frame:026956/0459   Pages: 4
Recorded: 09/23/2011
Attorney Dkt #:P73821US0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, ZHIRONG
Exec Dt:
06/20/2011
2
CHEN, JIANFENG
Exec Dt:
01/14/2011
3
YIN, HONG
Exec Dt:
01/20/2011
4
ZHAO, HONG
Exec Dt:
01/20/2011
5
QIU, DAN
Exec Dt:
01/17/2011
6
SHI, LIFANG
Exec Dt:
01/07/2011
7
LI, JIANDONG
Exec Dt:
01/08/2011
8
CHU, GUANGWEN
Exec Dt:
01/17/2011
9
SHAO, LEI
Exec Dt:
01/18/2011
Assignees
1
ZHEJIANG NHU COMPANY LTD.
NO. 4 JIANGBEI ROAD, YULIN STREET, XINCHANG
SHAOXING, ZHEJIANG PROVINCE, CHINA 312500
2
ZHEJIANG UNIVERSITY
388 YUHANGTANG ROAD, XIHU
HANGZHOU, ZHEJIANG PROVINCE, CHINA 310058
3
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
15, BEISANHUAN DONG ROAD, CHAOYANG
BEIJING, CHINA 100029
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8540908
US20120018912
13259291
Correspondence name and address
JACOBSON HOLMAN PLLC
400 SEVENTH STREET N.W.
SUITE 600
WASHINGTON, DC 20004
Assignment: 6
Reel/Frame:027081/0658   Pages: 4
Recorded: 10/18/2011
Attorney Dkt #:U395:68448/GSL/AAM
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHEN, ZHIGANG
Exec Dt:
09/13/2011
2
YUN, JIMMY SUNGLAI
Exec Dt:
09/13/2011
3
CHEN, JIANFENG
Exec Dt:
09/13/2011
4
CHU, GUANGWEN
Exec Dt:
09/21/2011
Assignees
1
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
15 BEI SAN HUAN EAST ROAD
CHAOYANG DISTRICT BEIJING, CHINA 100029
2
NANOMATERIALS TECHNOLOGY PTE LTD, SINGAPORE
28 AYER RAJAH CRESCENT, #03-03
SINGAPORE, SINGAPORE 139959
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9156015
US20120037232
13263833
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
PO BOX 7068
PASADENA, CA 91109-7068
Assignment: 7
Reel/Frame:027908/0240   Pages: 8
Recorded: 03/22/2012
Attorney Dkt #:90292 (305178)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, HONGKE
Exec Dt:
03/07/2012
2
HUA, WEIQI
Exec Dt:
03/07/2012
3
LIU, XIAOGAO
Exec Dt:
03/07/2012
4
ZHAO, ZHENHUA
Exec Dt:
03/07/2012
5
SUN, SHUCHANG
Exec Dt:
03/07/2012
6
DING, JIANSHENG
Exec Dt:
03/07/2012
7
CHEN, JIANFENG
Exec Dt:
03/07/2012
8
ZHANG, PENGYUAN
Exec Dt:
03/07/2012
9
ZOU, HAIKUI
Exec Dt:
03/07/2012
10
CHU, GUANGWEN
Exec Dt:
03/07/2012
11
XU, LIMIN
Exec Dt:
03/07/2012
Assignees
1
NINGBO WANHUA POLYURETHANES CO., LTD.
WANHUA INDUSTRIAL GARDEN, HUANDAO NORTH ROAD, DAXIE ECONOMIC DEVELOPMENT ZONE, NINGBO
ZHEJIANG, CHINA 315812
2
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
15, EAST ROAD, NORTH 3RD RING ROAD, CHAOYANG DISTRICT
BEIJING, CHINA 100029
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9802848
US20120168375
13496872
Correspondence name and address
EDWARDS WILDMAN PALMER LLP
P.O. BOX 55874
BOSTON, MA 02205
Assignment: 8
Reel/Frame:039063/0772   Pages: 2
Recorded: 07/01/2016
Attorney Dkt #:JAN-41241
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, JIANFENG
Exec Dt:
06/29/2016
2
CHU, GUANGWEN
Exec Dt:
06/29/2016
3
LUO, YONG
Exec Dt:
06/29/2016
4
ZOU, HAIKUI
Exec Dt:
06/29/2016
Assignee
1
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
NO. 15, BEISANHUANDONG ROAD
CHAOYANG DISTRICT
BEIJING, CHINA 100029
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9839895
US20160317995
15107733
Correspondence name and address
RANKIN, HILL & CLARK LLP
38210 GLENN AVE
WILLOUGHBY, OH 44094
Assignment: 9
Reel/Frame:044799/0030   Pages: 4
Recorded: 11/20/2017
Attorney Dkt #:JAN-43475
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZOU, HAIKUI
Exec Dt:
11/18/2017
2
CHU, GUANGWEN
Exec Dt:
11/18/2017
3
CHEN, JIANFENG
Exec Dt:
11/18/2017
4
LUO, YONG
Exec Dt:
11/18/2017
5
SUN, BAOCHANG
Exec Dt:
11/18/2017
6
XIANG, YANG
Exec Dt:
11/18/2017
Assignee
1
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
NO. 15, BEISANHUANDONG ROAD
CHAOYANG DISTRICT
BEIJING, CHINA 100029
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10556845
US20180354871
15575425
Correspondence name and address
RANKIN, HILL & CLARK LLP
38210 GLENN AVE
WILLOUGHBY, OH 44094
Assignment: 10
Reel/Frame:051943/0515   Pages: 8
Recorded: 10/17/2019
Attorney Dkt #:13-508-0001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHU, GUANGWEN
Exec Dt:
10/15/2019
2
CAI, YONG
Exec Dt:
10/15/2019
3
CHEN, JIANFENG
Exec Dt:
10/15/2019
4
LUO, YONG
Exec Dt:
10/15/2019
5
ZOU, HAIKUI
Exec Dt:
10/15/2019
6
SUN, BAOCHANG
Exec Dt:
10/15/2019
Assignee
1
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
NO.15, BEISANHUANDONG ROAD, CHAOYANG DISTRICT
BEIJING, CHINA 100029
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10780390
US20200038804
16606070
Correspondence name and address
PARATUS LAW GROUP, PLLC
1765 GREENSBORO STATION PLACE
SUITE 320
TYSONS CORNER, VA 22102
Assignment: 11
Reel/Frame:056672/0485   Pages: 4
Recorded: 06/25/2021
Attorney Dkt #:BJI0001US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUO, YONG
Exec Dt:
06/16/2021
2
WANG, DI
Exec Dt:
06/16/2021
3
CHU, GUANGWEN
Exec Dt:
06/16/2021
4
LIU, YACHAO
Exec Dt:
06/16/2021
5
LI, ZHIHAO
Exec Dt:
06/16/2021
6
CAI, YONG
Exec Dt:
06/16/2021
7
ZOU, HAIKUI
Exec Dt:
06/16/2021
8
SUN, BAOCHANG
Exec Dt:
06/16/2021
9
CHEN, JIANFENG
Exec Dt:
06/16/2021
Assignee
1
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
NO.15, BEISANHUANDONG ROAD
CHAOYANG DISTRICT
BEIJING, CHINA 100029
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220062832
17418578
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 12
Reel/Frame:057962/0572   Pages: 5
Recorded: 10/29/2021
Attorney Dkt #:BJI0005US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUO, YONG
Exec Dt:
10/27/2021
2
LU, YANZHEN
Exec Dt:
10/27/2021
3
CAI, YONG
Exec Dt:
10/27/2021
4
CHU, GUANGWEN
Exec Dt:
10/27/2021
5
LIU, WEI
Exec Dt:
10/27/2021
6
ZOU, HAIKUI
Exec Dt:
10/27/2021
7
SUN, BAOCHANG
Exec Dt:
10/27/2021
8
CHEN, JIANFENG
Exec Dt:
10/27/2021
Assignee
1
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
NO.15, BEISANHUANDONG ROAD
CHAOYANG DISTRICT
BEIJING, CHINA 100029
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220219132
17607564
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 13
Reel/Frame:063801/0696   Pages: 2
Recorded: 05/30/2023
Attorney Dkt #:JAN-54471
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, LIANGLIANG
Exec Dt:
05/16/2023
2
CHU, GUANGWEN
Exec Dt:
05/16/2023
3
CHENG, JIANFENG
Exec Dt:
05/16/2023
Assignee
1
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
NO.I 5, BEISANHUANDONG ROAD
CHAOYANG DISTRICT
BEIJING, CHINA I00029
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240017231
18038531
Correspondence name and address
RANKIN, HILL & CLARK LLP
38210 GLENN AVENUE
WILLOUGHBY, OH 44094
Assignment: 14
Reel/Frame:064011/0875   Pages: 3
Recorded: 06/21/2023
Attorney Dkt #:JAN-54597
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, LIANGLIANG
Exec Dt:
06/09/2023
2
CHU, GUANGWEN
Exec Dt:
06/09/2023
3
CHEN, JIANFENG
Exec Dt:
06/09/2023
4
ZHANG, YIDONG
Exec Dt:
06/09/2023
Assignee
1
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
NO. 15, BEISANHUANDONG ROAD
CHAOYANG DISTRICT
BEIJING, CHINA 10029
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240033706
18258616
Correspondence name and address
RANKIN, HILL & CLARK LLP
23755 LORAIN ROAD
SUITE 200
NORTH OLMSTED, OH 44070
Assignment: 15
Reel/Frame:064108/0065   Pages: 3
Recorded: 06/29/2023
Attorney Dkt #:JAN-54620
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, LIANGLIANG
Exec Dt:
06/19/2023
2
CHU, GUANGWEN
Exec Dt:
06/19/2023
3
CHEN, JIANFENG
Exec Dt:
06/19/2023
4
SUN, BAOCHANG
Exec Dt:
06/19/2023
Assignee
1
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
NO. 15, BEISANHUANDONG ROAD
CHAOYANG DISTRICT
BEIJING, CHINA 100029
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240076277
18269109
Correspondence name and address
RANKIN, HILL & CLARK LLP
38210 GLENN AVENUE
WILLOUGHBY, OH 44094

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