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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
11952530
Issue Dt:
04/09/2024
Application #:
16966870
Filing Dt:
07/31/2020
Publication #:
20210040373
Pub Dt:
02/11/2021
Inventors:
Zhonghua WANG, Jun WEI, Yuebin LV, Xiqiang SI, Weiting LI, Zhongjin WANG
Title:
Aryl-substituted saccharides or glycosides and use thereof in a drilling fluid composition
Assignment: 1
Reel/Frame:
055685/0138Recorded: 03/23/2021Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
SI, XIQIANG
Exec Dt:
07/10/2020
WANG, ZHONGHUA
Exec Dt:
07/10/2020
LI, WEITING
Exec Dt:
07/10/2020
WEI, JUN
Exec Dt:
07/10/2020
WANG, ZHONGJIN
Exec Dt:
07/10/2020
LV, YUEBIN
Exec Dt:
07/10/2020
Assignees:
CHINA PETROLEUM & CHEMICAL CORPORATION
22 CHAOYANGMEN NORTH STREET, CHAOYANG DISTRICT
BEIJING, CHINA 100728
SINOPEC PETROLEUM ENGINEERING TECHNOLOGY SERVICE CO., LTD.
FLOOR 12, NO. JIA 6, HUIXIN EAST STREET, CHAOYANG DISTRICT
BEIJING, CHINA 100028
DRILLING ENGINEERING ECHNOLOGY RESEARCH INSTITUTE OF SINOPEC ZHONGYUAN PETROLEUM ENGINEERING CO., LTD
NO. 462 ZHONGYUAN EAST ROAD, HUALONG DISTRICT
PUYANG, HENAN, CHINA 457001
SINOPEC ZHONGYUAN PETROLEUM ENGINEERING CO., LTD
NO. 277 ZHONGYUAN EAST ROAD, HUALONG DISTRICT
PUYANG, HENAN, CHINA 457001
Correspondent:
NOVICK, KIM & LEE, PLLC
3251 OLD LEE HIGHWAY
SUITE 500
FAIRFAX, VA 22030
Assignment: 2
Reel/Frame:
065878/0048Recorded: 12/12/2023Pages: 7
Conveyance:
CORRECTIVE ASSIGNMENT TO CORRECT THE THE NAME OF THE 3RD ASSIGNEE PREVIOUSLY RECORDED AT REEL: 055685 FRAME: 0138. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors:
SI, XIQIANG
Exec Dt:
07/10/2020
WANG, ZHONGHUA
Exec Dt:
07/10/2020
LI, WEITING
Exec Dt:
07/10/2020
WEI, JUN
Exec Dt:
07/10/2020
WANG, ZHONGJIN
Exec Dt:
07/10/2020
LV, YUEBIN
Exec Dt:
07/10/2020
Assignees:
CHINA PETROLEUM & CHEMICAL CORPORATION
22 CHAOYANGMEN NORTH STREET, CHAOYANG DISTRICT
BEIJING, CHINA 100728
SINOPEC PETROLEUM ENGINEERING TECHNOLOGY SERVICE CO., LTD
FLOOR 12, NO. JIA 6, HUIXIN EAST STREET, CHAOYANG DISTRICT
BEIJING, CHINA 100028
DRILLING ENGINEERING TECHNOLOGY RESEARCH INSTITUTE OF SINOPEC ZHONGYUAN PETROLEUM ENGINEERING CO., LTD
NO. 462 ZHONGYUAN EAST ROAD, HUALONG DISTRICT
PUYANG, HENAN, CHINA 457001
SINOPEC ZHONGYUAN PETROLEUM ENGINEERING CO., LTD
NO. 277 ZHONGYUAN EAST ROAD, HUALONG DISTRICT
PUYANG, HENAN, CHINA 457001
Correspondent:
NKL LAW
3251 BLENHEIM BLVD, SUITE 500
FAIRFAX, VA 22030

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