Patent Assignment
Reel/Frame 023100/0033
Assignment of Assignor's Interest
Recorded: 2009-08-14
Pages: 2
Assignors
DE FREITAS, LINO RODRIGUES
Executed: 2009-06-16
LESSA TUDE, JOAO ALBERTO
Executed: 2009-06-15
DE MOREIRA HORTA, RONALDO
Executed: 2009-06-25
Assignee
COMPANHIA VALE DO RIO DOCE
BR 262, KM 296, SANTA LUZIA, MINAS GERAIS, 33030-970, BRAZIL
Covered Property
(1)
Process for Enrichment of Anatase Mechanical Concentrates in Order to Obtain Synthetic Rutile with Low Contents of Rare Earth and Radioactive Elements
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.