Patent Assignment
Reel/Frame 022373/0271
Assignment of Assignor's Interest
Recorded: 2009-03-10
Pages: 4
Assignee
COMPANHIA VALE DO RIO DOCE
BR 262-KM 296, DISTRITO DE SANTA LUZIA, MINAS GERAIS, 33030-970, BRAZIL
Covered Property
(1)
Hybrid Process Using Ion Exchange Resins in the Selective Recovery of Nickel and Cobalt from Leaching Effluents
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.