Process Research Ortech Inc.
Records under this name other than patents Process Research Ortech Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
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| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,916,116 | Separation of iron from value metals in leaching of laterite ores Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 10,053,750 | Recovery of nickel in leaching of laterite ores Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 10,041,141 | Process for the separation of iron in extraction of titanium in mixed chloride media Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 9,732,398 | Chloride process for the leaching of gold Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 7,968,065 | Process for the recovery of value metals from base metal sulfide ores Formerly held Lapsed on the fee record Ended Jun 28, 2023 · From the USPTO record | Lapsed on the fee record | Ended Jun 28, 2023 | From the USPTO record |
| US 7,803,336 | Process for the recovery of titanium in mixed chloride media Formerly held Lapsed on the fee record Ended Sep 28, 2022 · From the USPTO record | Lapsed on the fee record | Ended Sep 28, 2022 | From the USPTO record |
| US 7,736,606 | Process for the recovery of value metals from base metal sulfide ores Formerly held Lapsed on the fee record Ended Jun 15, 2022 · From the USPTO record | Lapsed on the fee record | Ended Jun 15, 2022 | From the USPTO record |
| US 9,115,419 | Process for extraction of rare earth elements Lapsed on the fee record Ended Aug 25, 2019 · From the USPTO record | Lapsed on the fee record | Ended Aug 25, 2019 | From the USPTO record |
| US 8,337,795 | Production of high purity silicon from amorphous silica Lapsed on the fee record Ended Dec 25, 2016 · From the USPTO record | Lapsed on the fee record | Ended Dec 25, 2016 | From the USPTO record |
| US 6,730,161 | Treatment of fly ash Lapsed on the fee record Ended May 4, 2016 · From the USPTO record | Lapsed on the fee record | Ended May 4, 2016 | From the USPTO record |