Assignee
ORMISTON MINING & SMELTING
CA·3 granted patents·122 citations·filing 1991–1995
Top patents by PatentIndex Score
3 records- 0185US5098532AProcess for producing sodium hydroxide and ammonium sulfate from sodium sulfateORMISTON MINING & SMELTING·Filed 1991·Granted Mar 24, 1992·63 cites·24 claims
- 0274US5830422AMethod for production of sodium bicarbonate, sodium carbonate and ammonium sulfate from sodium sulfateORMISTON MINING & SMELTING·Filed 1995·Granted Nov 3, 1998·31 cites·17 claims
- 0371US5654351AMethod for sodium carbonate compound recovery and formation of ammonium sulfateORMISTON MINING & SMELTING·Filed 1995·Granted Aug 5, 1997·28 cites·12 claims
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