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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
11440982
Issue Dt:
09/13/2022
Application #:
16614723
Filing Dt:
11/18/2019
Publication #:
20200181300
Pub Dt:
06/11/2020
Inventors:
Cheng LI, Songbai TIAN, Xiaowei WANG, Qundan ZHANG, Hu LI, Xinyu ZHU
Title:
ESTER POLYMER, PREPARATION METHOD THEREFOR AND USE THEREOF
Assignment: 1
Reel/Frame:
051042/0315Recorded: 11/18/2019Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
LI, CHENG
Exec Dt:
10/23/2019
TIAN, SONGBAI
Exec Dt:
10/23/2019
WANG, XIAOWEI
Exec Dt:
10/23/2019
ZHANG, QUNDAN
Exec Dt:
10/23/2019
LI, HU
Exec Dt:
10/23/2019
ZHU, XINYU
Exec Dt:
10/23/2019
Assignees:
CHINA PETROLEUM & CHEMICAL CORPORATION
22 CHAOYANGMEN NORTH STREET, CHAOYANG DISTRICT
BEIJING, CHINA 100728
RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC
18 XUEYUAN ROAD, HAIDIAN DISTRICT
BEIJING, CHINA 100083
Correspondent:
NOVICK, KIM & LEE, PLLC
3251 OLD LEE HIGHWAY, SUITE 404
FAIRFAX, VA 22030
Assignment: 2
Reel/Frame:
051577/0758Recorded: 01/13/2020Pages: 5
Conveyance:
CORRECTIVE ASSIGNMENT TO CORRECT THE EXECUTION DATE PREVIOUSLY RECORDED AT REEL: 051042 FRAME: 0315. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors:
LI, CHENG
Exec Dt:
10/23/2019
TIAN, SONGBAI
Exec Dt:
10/23/2019
WANG, XIAOWEI
Exec Dt:
10/23/2019
ZHANG, QUNDAN
Exec Dt:
10/25/2019
LI, HU
Exec Dt:
10/23/2019
ZHU, XINYU
Exec Dt:
10/23/2019
Assignees:
CHINA PETROLEUM & CHEMICAL CORPORATION
22 CHAOYANGMEN NORTH STREET, CHAOYANG DISTRICT
BEIJING, CHINA 100728
RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC
18 XUEYUAN ROAD, HAIDIAN DISTRICT
BEIJING, CHINA 100083
Correspondent:
NOVICK, KIM & LEE, PLLC
3251 OLD LEE HIGHWAY
SUITE 404
FAIRFAX, VA 22030

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