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Patent Assignment Assignor Details
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Assignor Name : ZHANG, XUEQUAN
Total Assignments: 18
Assignment: 1
Reel/Frame:011756/0096   Pages: 3
Recorded: 04/26/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, XUEQUAN
Exec Dt:
04/02/2001
2
YOON, SUNG-CHEOL
Exec Dt:
04/14/2001
3
LIM, JAE-GON
Exec Dt:
04/14/2001
4
LEE, YOUNG-SUB
Exec Dt:
04/14/2001
Assignee
1
SAMSUNG GENERAL CHEMICALS CO., LTD.
222-2, DOKKOT-LI, TAESAN-EUP, SEOSAN-SHI
CHUNGNAM, KOREA, REPUBLIC OF 356-8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6828270
NONE
09678171
Correspondence name and address
WOODCOCK WASHBURN KURTZ MACKIEWICZ ET AL
JOSEPH D. ROSSI, ESQ.
ONE LIBERTY PLACE - 46TH FLOOR
1650 MARKET STREET
PHILADELPHIA, PENNSYLVANIA 19103-7301
Assignment: 2
Reel/Frame:012576/0562   Pages: 2
Recorded: 01/31/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, XUEQUAN
Exec Dt:
09/28/2001
2
YANG, FENG
Exec Dt:
09/28/2001
3
ZHAO, HAICHAO
Exec Dt:
09/28/2001
Assignee
1
CHANGCHUN INSTITUTE OF APLLIED CHEMISTRY, CHINESE ACADEMY OF SCIENCES
NO. 159, RENMIN STREET,
CHANGCUN CITY, GLIN PROVINCE 130022, CHINA P.R.C
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6613711
US20030027711
10066417
Correspondence name and address
PENNIE, & EDMONDS LLP
CHARLES E. MILLER
1155 AVENUE OF AMERICAS
NEW YORK, N.Y. 10036-2711
Assignment: 3
Reel/Frame:013734/0502   Pages: 8
Recorded: 06/07/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, XUEQUAN
Exec Dt:
05/10/2002
2
LIM, JAE GON
Exec Dt:
05/10/2002
3
YOON, SUNG CHEOL
Exec Dt:
05/10/2002
4
KIM, HYUN JOON
Exec Dt:
05/10/2002
5
LEE, YOUNG SUB
Exec Dt:
05/10/2002
Assignee
1
SAMSUNG GENERAL CHEMICALS CO., LTD.
SAN 222-2, DOKKOT-LI, TAESAN-EUP
SEOSAN-SHI
CHUNGCHEONGNAM-DO, KOREA, REPUBLIC OF 356-870
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030130446
10129685
Correspondence name and address
WOODCOCK WASHBURN LLP
GARY H. LEVIN
ONE LIBERTY PLACE - 46TH FLOOR
PHILADELPHIA, PA 19103-7301
Assignment: 4
Reel/Frame:013332/0581   Pages: 8
Recorded: 09/30/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YOON, SUNG CHEOL
Exec Dt:
08/26/2002
2
ZHANG, XUEQUAN
Exec Dt:
08/26/2002
3
LIM, JAE GON
Exec Dt:
08/26/2002
4
KIM, HYUN JOON
Exec Dt:
08/26/2002
5
LEE, YOUNG SUB
Exec Dt:
08/26/2002
Assignee
1
SAMSUNG GENERAL CHEMICALS CO., LTD.
SAN 222-2, DOKKOT-LI, TAESAN-EUP, SEOSAN-SHI
CHUNGCHEONGNAM-DO, KOREA, REPUBLIC OF 356-870
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7009012
US20030109379
10169330
Correspondence name and address
WOODCOCK WASHBURN LLP
GARY H. LEVIN
ONE LIBERTY PLACE
46TH FLOOR
PHILADELPHIA, PA 19103-7301
Assignment: 5
Reel/Frame:014285/0248   Pages: 6
Recorded: 01/27/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, XUEQUAN
Exec Dt:
01/20/2003
2
GONLIM, JAE
Exec Dt:
01/20/2003
3
YOON, SUNG CHEOL
Exec Dt:
01/20/2003
Assignee
1
SAMSUNG GENERAL CHEMICALS CO., LTD
SAN 222-2, DOKKOT-LI, TAESAN-EUP, SEOSAN-SHI
CHUNGEHEONGNAM-DO, KOREA, REPUBLIC OF 356-870
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6890973
US20040024103
10332728
Correspondence name and address
WOODCOCK WASHBURN LLP
GARY H. LEVIN
ONE LIBERTY PLACE - 46TH FLOOR
PHILADELPHIA, PA 19103-7301
Assignment: 6
Reel/Frame:014113/0464   Pages: 7
Recorded: 02/27/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YOON, SUNG CHEOL
Exec Dt:
02/07/2003
2
ZHANG, XUEQUAN
Exec Dt:
02/07/2003
3
LIM, JAE GON
Exec Dt:
02/07/2003
4
KIM, HYUN JOON
Exec Dt:
02/07/2003
5
LEE, YOUNG SUB
Exec Dt:
02/07/2003
Assignee
1
SAMSUNG GENERAL CHEMICALS CO., LTD.
SAN 222-2, DOKKOT-LI, TAESAN-EUP, SEOSAN-SHI
CHUNGEHEONGNAM-DO, KOREA, REPUBLIC OF 356-870
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6780938
US20030176581
10343874
Correspondence name and address
WOODCOCK WASHBURN LLP
GARY H. LEVIN
ONE LIBERTY PLACE - 46TH FLOOR
PHILADELPHIA, PA 19103-7301
Assignment: 7
Reel/Frame:015303/0111   Pages: 2
Recorded: 10/28/2004
Attorney Dkt #:csptal25.001aus
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JIANG, LIANSHENG
Exec Dt:
08/17/2004
2
ZHANG, XUEQUAN
Exec Dt:
08/17/2004
Assignee
1
CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY CHINESE ACADEMY OF SCIENCE
NO. 159, RENMIN STREET, CHANGCHUN CITY
JILIN PROVINCE, CHINA 130022
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7186785
US20050038209
10900063
Correspondence name and address
KNOBBE MARTENS OLSON & BEAR LLP
MARINA L. GORDEY
2040 MAIN STREET, FOURTEENTH FLOOR
IRVINE, CA 92614
Assignment: 8
Reel/Frame:016168/0927   Pages: 4
Recorded: 01/21/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JIANG, LIASHENG
Exec Dt:
10/14/2004
2
ZHANG, XUEQUAN
Exec Dt:
10/14/2004
3
DONG, WEIMIN
Exec Dt:
10/14/2004
4
LIU, XICHUN
Exec Dt:
10/14/2004
5
BI, JIFU
Exec Dt:
10/14/2004
Assignee
1
CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY CHINESE ACADEMY OF SCIENCES
NO. 5625, RENMIN STREET
CHANGCHUN CITY, JILIN PROVINCE, P.R., CHINA 130022
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7288611
US20050113544
10949250
Correspondence name and address
MR. ERNEST F. CHAPMAN
FINNEGAN, HENDERSON, FARABOW, ET AL
901 NEW YORK AVENUE, N.W.
WASHINGTON, D.C. 20001-4413
Assignment: 9
Reel/Frame:022579/0122   Pages: 8
Recorded: 04/22/2009
Attorney Dkt #:CH51-001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, CHUNYU
Exec Dt:
04/13/2009
2
CAI, HONGGUANG
Exec Dt:
04/13/2009
3
CHEN, BIN
Exec Dt:
04/13/2009
4
YUAN, YUPING
Exec Dt:
04/13/2009
5
ZHANG, QIAOFENG
Exec Dt:
04/13/2009
6
DONG, WEIMIN
Exec Dt:
04/13/2009
7
ZHANG, XUEQUAN
Exec Dt:
04/13/2009
Assignee
1
CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY CHINESE ACADEMY OF SCIENCES
N. 5625, RENMIN STREET
JILIN PROVINCE
CHANGCHUN CITY, CHINA 130022
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7723449
US20090023881
12217389
Correspondence name and address
ROBERT C. HYTA
601 W. 1ST AVENUE
SUITE 1300
SPOKANE, WA 99201
Assignment: 10
Reel/Frame:025236/0926   Pages: 4
Recorded: 11/02/2010
Attorney Dkt #:CSPTAL25.007AUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BI, JIFU
Exec Dt:
10/21/2010
2
ZHANG, XUEQUAN
Exec Dt:
10/21/2010
3
JIANG, LIANSHENG
Exec Dt:
10/21/2010
4
CAI, HONGGUANG
Exec Dt:
10/21/2010
5
WANG, BEI
Exec Dt:
10/21/2010
6
ZHANG, CHUNYU
Exec Dt:
10/21/2010
7
NA, LIHUA
Exec Dt:
10/21/2010
8
DAI, QUANQUAN
Exec Dt:
10/21/2010
9
FAN, CHANGLIANG
Exec Dt:
10/21/2010
Assignee
1
CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY CHINESE ACADEMY OF SCIENCES
NO. 5625, RENMIN STREET
CHANGCHUN CITY, JILIN PROVINCE, CHINA 130022
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8350072
US20110160473
12917892
Correspondence name and address
KNOBBE MARTENS OLSON & BEAR LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 11
Reel/Frame:042260/0521   Pages: 5
Recorded: 05/05/2017
Attorney Dkt #:139188 GSL/CLM
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, XUEQUAN
Exec Dt:
05/03/2017
2
ZHENG, WENJIE
Exec Dt:
05/03/2017
3
HU, YANMING
Exec Dt:
05/03/2017
4
ZHANG, CHUNYU
Exec Dt:
05/03/2017
5
BI, JIFU
Exec Dt:
05/03/2017
Assignee
1
CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY, CHINESE ACADEMY OF SCIENCES
NO. 5625, RENMIN ST.
CHANGCHUN CITY, JILIN, CHINA 130022
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170320980
15525010
Correspondence name and address
LEWIS ROCA ROTHGERBER CHRISTIE LLP
P.O. BOX 29001
GLENDALE, CA 91209-9001
Assignment: 12
Reel/Frame:062238/0484   Pages: 4
Recorded: 12/29/2022
Attorney Dkt #:2048.123.00US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, CHUNYU
Exec Dt:
11/07/2022
2
NA, LIHUA
Exec Dt:
11/07/2022
3
YANG, QI
Exec Dt:
11/07/2022
4
LIU, HENG
Exec Dt:
11/08/2022
5
ZHANG, XUEQUAN
Exec Dt:
11/07/2022
Assignee
1
QINGDAO UNIVERSITY OF SCIENCE AND TECHNOLOGY
NO. 99, SONGLING ROAD, LAOSHAN DISTRICT
SHANDONG PROVINCE
QINGDAO, CHINA 266061
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230192912
18080175
Correspondence name and address
NEUGEBOREN O'DOWD PC
726 FRONT STREET
SUITE 220
LOUISVILLE, CO 80027
Assignment: 13
Reel/Frame:062238/0356   Pages: 4
Recorded: 12/29/2022
Attorney Dkt #:2048.122.00US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WANG, FENG
Exec Dt:
11/08/2022
2
ZHANG, XUEQUAN
Exec Dt:
11/08/2022
3
LIU, HENG
Exec Dt:
11/08/2022
4
ZHANG, CHUNYU
Exec Dt:
11/08/2022
Assignee
1
QINGDAO UNIVERSITY OF SCIENCE AND TECHNOLOGY
NO. 99, SONGLING ROAD, LAOSHAN DISTRICT
SHANDONG PROVINCE
QINGDAO, CHINA 266061
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230303736
18080161
Correspondence name and address
NEUGEBOREN O'DOWD PC
726 FRONT STREET
SUITE 220
LOUISVILLE, CO 80027
Assignment: 14
Reel/Frame:064453/0700   Pages: 9
Recorded: 08/01/2023
Attorney Dkt #:RAP3-PT297
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOU, XUEYUAN
Exec Dt:
11/10/2022
2
WANG, JINGPENG
Exec Dt:
11/10/2022
3
ZHANG, XUEQUAN
Exec Dt:
11/10/2022
4
LIU, YAFEI
Exec Dt:
11/10/2022
5
CHEN, YANBIN
Exec Dt:
11/10/2022
Assignee
1
BEIJING EASPRING MATERIAL TECHNOLOGY CO., LTD.
NO. 21, AREA 18, HEADQUARTERS BASE, NO. 188
SOUTH FOURTH RING WEST ROAD, FENGTAI DISTRICT
BEIJING, CHINA 100160
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11837722
US20230122382
18081221
Correspondence name and address
VOLPE KOENIG
30 SOUTH 17TH STREET
SUITE 1800
PHILADELPHIA, PA 19103
Assignment: 15
Reel/Frame:065335/0165   Pages: 8
Recorded: 10/25/2023
Attorney Dkt #:RAP3-PT296.1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, XUEQUAN
Exec Dt:
11/10/2022
2
LI, WENHUI
Exec Dt:
11/10/2022
3
CHEN, YANBIN
Exec Dt:
11/10/2022
4
LIU, YAFEI
Exec Dt:
11/10/2022
Assignee
1
BEIJING EASPRING MATERIAL TECHNOLOGY CO., LTD.
NO. 21, AREA 18, HEADQUARTERS BASE, NO. 188, SOUTH
FOURTH RING WEST ROAD, FENGTAI DISTRICT
BEIJING, CHINA 100160
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230207802
18173532
Correspondence name and address
VOLPE KOENIG
30 SOUTH 17TH STREET
PHILADELPHIA, PA 19103-4009
Assignment: 16
Reel/Frame:063376/0544   Pages: 5
Recorded: 04/19/2023
Attorney Dkt #:Q286830
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, YONGQIANG
Exec Dt:
04/12/2023
2
SUN, LIGUO
Exec Dt:
04/12/2023
3
ZHANG, XUEQUAN
Exec Dt:
04/12/2023
4
LIU, YAFEI
Exec Dt:
04/12/2023
5
CHEN, YANBIN
Exec Dt:
04/12/2023
Assignee
1
BEIJING EASPRING MATERIAL TECHNOLOGY CO., LTD.
BUILDING 21, ZONE 18 OF ABP
NO.188 SOUTH 4TH RING ROAD WEST, FENGTAI DISTRICT
BEIJING, CHINA 100160
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230382762
18032662
Correspondence name and address
SUGHRUE MION, PLLC
2000 PENNSYLVANIA AVENUE, N.W.
SUITE 9000
WASHINGTON, DC 20006
Assignment: 17
Reel/Frame:064749/0205   Pages: 9
Recorded: 08/30/2023
Attorney Dkt #:386104-1004US1 (00003)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, HANG
Exec Dt:
08/29/2023
2
LIU, YAFEI
Exec Dt:
08/29/2023
3
WANG, JINGPENG
Exec Dt:
08/29/2023
4
ZHANG, XUEQUAN
Exec Dt:
08/29/2023
5
CHEN, YANBIN
Exec Dt:
08/29/2023
Assignee
1
BEIJING EASPRING MATERIAL TECHNOLOGY CO., LTD.
BUILDING 21, ZONE 18 OF ABP
NO. 188 SOUTH 4TH RING ROAD WEST, FENGTAI DISTRICT
BEIJING, CHINA 100160
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230395793
18235084
Correspondence name and address
SEAN RITCHIE
SAUL EWING LLP
1500 MARKET STREET, 38TH FLOOR
PHILADELPHIA, PA 19102
Assignment: 18
Reel/Frame:065997/0506   Pages: 5
Recorded: 01/02/2024
Attorney Dkt #:Q294856
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, HANG
Exec Dt:
12/19/2023
2
LIU, YAFEI
Exec Dt:
12/19/2023
3
JIN, YUQIANG
Exec Dt:
12/19/2023
4
ZHANG, XUEQUAN
Exec Dt:
12/19/2023
5
CHEN, YANBIN
Exec Dt:
12/19/2023
Assignee
1
BEIJING EASPRING MATERIAL TECHNOLOGY CO., LTD.
BUILDING 21, ZONE 18 OF ABP, NO.188 SOUTH 4TH RING ROAD WEST,
FENGTAI DISTRICT
BEIJING, CHINA 100160
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240132371
18400498
Correspondence name and address
SUGHRUE MION, PLLC
2000 PENNSYLVANIA AVENUE NW
SUITE 9000
WASHINGTON, DC 20006

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