Patent Assignment
Reel/Frame 047784/0584
Assignment of Assignor's Interest
Recorded: 2018-12-14
Pages: 3
Assignors
PONCE BEOUTIS, PERCY
Executed: 2018-12-12
PLENGE THORNE, JUAN CARLOS GUSTAVO
Executed: 2018-12-12
Assignee
COMPANIA DE MINAS BUENAVENTURA
CALLE LAS BEGONIAS 415, SAN ISIDRO, LIMA, PERU
Covered Property
(1)
Process for Extraction of Copper from Arsenical Copper Sulfide Concentrate