Assignee
MATERIAS PRIMAS MONTERREY S A
MX·3 granted patents·67 citations·filing 1981–1993
Top patents by PatentIndex Score
3 records- 0171US4401638AProcess for purifying silica sandMATERIAS PRIMAS MONTERREY S A·Filed 1981·Granted Aug 30, 1983·32 cites·8 claims
- 0257US4405588AProcess of removing iron impurities from oresMATERIAS PRIMAS MONTERREY S A·Filed 1981·Granted Sep 20, 1983·18 cites·8 claims
- 0343US5334364AProcess for purifying silica sandMATERIAS PRIMAS MONTERREY S A·Filed 1993·Granted Aug 2, 1994·17 cites·2 claims
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