skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Abstract of Title
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Total Assignments: 5
Patent #:
11180440
Issue Dt:
11/23/2021
Application #:
16954774
Filing Dt:
06/17/2020
Publication #:
20210087133
Pub Dt:
03/25/2021
Inventors:
Zhirong CHEN, Jianyong MAO, Baishan HU, Guanbing LI, Haoran LI, Yu WANG, Yingkuo YANG et al
Title:
METHOD FOR PREPARING ISOPHORONE DIAMINE BY MEANS OF HYDROGENATION REDUCTION OF ISOPHORONE NITRILE IMINE
Assignment: 1
Reel/Frame:
052965/0930Recorded: 06/17/2020Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
HU, BAISHAN
Exec Dt:
06/02/2020
LI, GUANBING
Exec Dt:
06/02/2020
WANG, YU
Exec Dt:
06/02/2020
YANG, YINGKUO
Exec Dt:
06/02/2020
LIU, QING
Exec Dt:
06/02/2020
Assignee:
ZHEJIANG NHU COMPANY LTD.
NO. 418 DADAO WEST ROAD
XINCHANG
SHAOXING, ZHEJIANG, CHINA 312500
Correspondent:
ERIC M. ROBBINS
600 VINE STREET
SUITE 2800
CINCINNATI, OH 45202
Assignment: 2
Reel/Frame:
052965/0971Recorded: 06/17/2020Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
CHEN, ZHIRONG
Exec Dt:
06/02/2020
LI, HAORAN
Exec Dt:
06/02/2020
Assignee:
ZHEJIANG UNIVERSITY
NO. 20, YUGU ROAD
XIHU DISTRICT
HANGZHOU, ZHEJIANG, CHINA 310027
Correspondent:
ERIC M. ROBBINS
600 VINE STREET
SUITE 2800
CINCINNATI, OH 45202
Assignment: 3
Reel/Frame:
052965/0996Recorded: 06/17/2020Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
TANG, JIYU
Exec Dt:
06/02/2020
Assignee:
SHANDONG NHU AMINO ACID CO., LTD.
NO. 02999 ZHUJIANG WEST THIRD ROAD
YANGZI STREET, BINHAI DISTRICT
WEIFANG, SHANDONG, CHINA 262737
Correspondent:
ERIC M. ROBBINS
600 VINE STREET
SUITE 2800
CINCINNATI, OH 45202
Assignment: 4
Reel/Frame:
052966/0022Recorded: 06/17/2020Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
MAO, JIANYONG
Exec Dt:
06/02/2020
CHEN, WEIYONG
Exec Dt:
06/02/2020
Assignee:
SHANDONG NHU FINE CHEMICAL SCIENCE AND TECHNOLOGY COMPANY LTD.
NO. 01156 ZHUJIANG WEST ROAD
YANGZI STREET, BINHAI DISTRICT
WEIFANG, SHANDONG, CHINA 262737
Correspondent:
ERIC M. ROBBINS
600 VINE STREET
SUITE 2800
CINCINNATI, OH 45202
Assignment: 5
Reel/Frame:
068756/0297Recorded: 10/01/2024Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
ZHEJIANG UNIVERSITY
Exec Dt:
03/17/2024
Assignees:
ZHEJIANG NHU COMPANY LTD
418 DADAO WEST ROAD
XINCHANG, SHAOXING
ZHEJIANG, CHINA 312500
SHANDONG NHU AMINO ACID CO., LTD.
02999 ZHUJIANG WEST THIRD ROAD
YANGZI STREET, BINHAI DISTRICT, WEIFANG
SHANDONG, CHINA 262737
SHANDONG NHU FINE CHEMICAL SCIENCE AND TECHNOLOGY COMPANY LTD.
01156 ZHUJIANG WEST ROAD
YANGZI STREET, BINHAI DISTRICT, WEIFANG
SHANDONG, CHINA 262737
Correspondent:
J. GREGORY CHRISMAN
1801 EAST 9TH STREET, SUITE 1200
CLEVELAND, OH 44114

Search Results as of: 06/20/2025 08:14 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT