IP Library Assignment 035748/0271
Patent Assignment
Reel/Frame 035748/0271

Assignment of Assignor's Interest

Recorded: 2015-05-21 Pages: 2
Assignors
TEIXEIRA, LEANDRO AUGUSTO VIANA
Executed: 2015-05-14
SILVA, RUBERLAN GOMES
Executed: 2015-05-14
Assignee
VALE S.A.
AVENIDA GRACA ARANHA, 26 CENTRO, RIO DE JANEIRO, 20030-000, BRAZIL
Covered Property (1)
System and Process for Selective Rare Earth Extraction with Sulphur Recovery
Application: 14/708,131 →
Publication: US 2015/0329940
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Address Sep 13, 2017
From: VALE S.A.
To: VALE S.A.
Reel/Frame 043849/0613 →