IP Library Assignment 033222/0205
Patent Assignment
Reel/Frame 033222/0205

Assignment of Assignor's Interest

Recorded: 2014-07-01 Pages: 5
Assignors
LIU, ZHENYI
Executed: 2014-06-23
WANG, LIXIAN
Executed: 2014-06-23
Assignee
BEIJING SJ ENVIRONMENTAL PROTECTION AND NEW MATERIAL CO., LTD.
9/F DAHANG JIYE BUILDING NO.33 NORTH RENDA ROAD, HAIDIAN DISTRICT, BEIJING, 100080, CHINA
Covered Property (1)
Method for Preparing Magnetic Iron Oxide
Patent: 9,315,392 →
Application: 14/369,647 →
Publication: US 2014/0361213
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Nov 16, 2022
From: BEIJING SANJU ENVIRONMENTAL PROTECTION & NEW MATERIALS CO., LTD
To: BEIJING HAIXIN ENERGY TECHNOLOGY CO., LTD
Reel/Frame 061789/0178 →