IP Library › Assignment 039093/0799
Patent Assignment
Reel/Frame 039093/0799

Assignment of Assignor's Interest

Recorded: 2016-06-21 Pages: 3
Assignors
ZHANG, LINDE
Executed: 2016-06-16
ZHANG, MINGDONG
Executed: 2016-06-16
Assignee
SHENZHEN CANTONNET ENERGY SERVICES CO. , LTD.
ROOM 501, UNIT C, A3 BUILDING, GUANGMING TECHNOLOGY PARK, CHINA MERCHANTS NO. 3009, GUANGUANG ROAD, GUANGMING NEW DISTRICT SHENZHEN, GUANGDONG 518000 (CN), SHENZHEN, CHINA
Covered Property (1)
A preparation method of graphene and graphene oxide based on mixed acid system
Patent: 9,550,679 →
Application: 15/106,842 →
Publication: US 2016/0311688
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 16, 2021
From: SHENZHEN CANTONNET ENERGY SERVICES CO., LTD.
To: SINOPHENE NOVEL MATERIALS
Reel/Frame 056555/0252 →
Assignment of Assignor's Interest Dec 16, 2025
From: SINOPHENE NOVEL MATERIALS
To: HUNAN YUANCHANG NEW MATERIAL TECHNOLOGY CO., LTD.
Reel/Frame 073237/0024 →