Individual holder
OSTREA ANTONIO M
PH·2 granted patents·40 citations·filing 1986–2011
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
2 records- 0172US4710361AGold recovery by sulhydric-fatty acid flotation as applied to gold ores/cyanidation tailingsOSTREA ANTONIO M·Filed 1986·Granted Dec 1, 1987·40 cites·4 claims
- 0232US8871162B2Process of gold and copper recovery from mixed oxide—sulfide copper oresOSTREA ANTONIO M·Filed 2011·Granted Oct 28, 2014·0 cites·18 claims
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