Patent Assignment
Reel/Frame 031902/0598
Assignment of Assignor's Interest
Recorded: 2014-01-07
Pages: 3
Assignors
LIU, ZHENYI
Executed: 2013-12-12
MAO, WENJUN
Executed: 2013-12-12
LIU, FENGREN
Executed: 2013-12-12
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)
Preparation Method and Application of Magnetic Iron Oxide and Desulfurizer Containing the Magnetic Iron Oxide as Active Component
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.