Patent Assignment
Reel/Frame 030225/0854
Assignment of Assignor's Interest
Recorded: 2013-04-16
Pages: 3
Assignee
VALE S.A.
AVENIDA GRACA ARANHA, N 26 - CENTRO, RIO DE JANEIRO - RJ, 20030-000, BRAZIL
Covered Property
(1)
Method for Improving Selectivity and Recovery in the Flotation of Nickel Sulphide Ores That Contain Pyrrhotite by Exploiting the Synergy of Multiple Depressants
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.