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Patent Assignment Details

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Reel/Frame:	063599/0082			Pages:	7
		Recorded:	05/10/2023
Attorney Dkt #:	212033-0005-US01
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Total properties: 1

1

Patent #:	NONE	Issue Dt:		Application #:	18315088	Filing Dt:	05/10/2023
Publication #:	US20230278927	Pub Dt:	09/07/2023
Title:	HIGH-STRENGTH PORTLAND CEMENT SLURRY FOR ULTRA-HIGH TEMPERATURE CEMENTING, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

Assignors

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02/21/2023

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02/20/2023

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02/20/2023

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02/21/2023

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ZHOU, CHONGFENG

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02/20/2023

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ZHANG, XIAOBING

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02/21/2023

Assignees

1

CHINA NATIONAL PETROLEUM CORPORATION

9 DONGZHIMEN NORTH STREET, DONGCHENG DISTRICT

BEIJING, CHINA 100007

2

CNPC ENGINEERING TECHNOLOGY R&D COMPANY LIMITED

NO.1 BUILDING,NO.5 COURTYARD, HUANGHE STREET

CHANGPING DISTRICT

BEIJING, CHINA 102206

Correspondence name and address
	MICHAEL BEST & FRIEDRICH LLP
	790 N. WATER STREET, STE. 2500
	MILWAUKEE, WI 53202

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