LEACHING OF PRECIOUS AND CHALCOPHILE METALS
The following summary describes a Laos Patent titled “LEACHING OF PRECIOUS AND CHALCOPHILE METALS”, filed by MINING AND PROCESS SOLUTIONS PTY LTD on 2021-11-18; current status: Awaiting formal examination. Identifiers include application No. P/898; DIP id LAP898; protection kind Patent - PCT National Phase. Key dates: publication 2026-04-24. Classification: C22B 11/00、C22B 13/00、C22B 15/00、C22B 17/00、C22B 19/20、C22B 23/00、C22B 25/00、C22B 25/06. Inventor(s)/designer(s): ABDALLA, Elsayed, Abdelrady, Orab, EKSTEEN, Jacobus, Johannes. Abstract hint: A process for recovery of one or more target metals, selected from precious metals and chalcophile metals as respectively herein defined, f…. This prose is informational only and does not constitute legal advice, ownership proof or an infringement opinion.
P/898
Mark
Key facts
- Type
- Patent
- App. no.
P/898- Status
- Awaiting formal examination
- Applicant
- MINING AND PROCESS SOLUTIONS PTY LTD
- Agent
- ACTIP (LAO) IP CO., LTD
- Filing date
- 2021-11-18
- Publication
- 2026-04-24
- Protection kind
- Patent - PCT National Phase
- Priority
- AU · 2020904261 · 2020-11-18
- Applicant address
- MINING AND PROCESS SOLUTIONS PTY LTD · 2A Princes Street, Caulfield North, Victoria, 3161, Australia · AU
- Agent address
- ACTIP (LAO) IP CO., LTD · Sisavath Village, Chanthabouly District, Vientaine, Lao PDR · LA
- Nice / IPC classes
- C22B 11/00 · C22B 13/00 · C22B 15/00 · C22B 17/00 · C22B 19/20 · C22B 23/00 · C22B 25/00 · C22B 25/06 · C22B 3/16 · C22B 30/06 · C22B 43/00 · C22B 58/00 · C22B 7/00
- Goods / services
- —
Process
Steps follow the current public status-
Filed
-
Formal examination In progress
-
Substantive examination
-
Published
-
Granted
Related records
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Abstract
A process for recovery of one or more target metals, selected from precious metals and chalcophile metals as respectively herein defined, from materials containing precious and/or chalcophile metal/s, said process including: (i) leaching the metal containing material with an aqueous solution containing: a "metal liberator" comprising an amino acid; and a "metal retainer" comprising one or more of ammonia, ammonium salts, carboxylic acids, carboxylic acid salts, dicarboxylic acids, dicarboxylic acid salts, hydroxy-carboxylic acids, hydroxy-carboxylic acid salts, ethylene diamine tetra-acetic acid (EDTA) and EDTA salts, to produce a leachate containing the target metal/s; and (ii) extracting the metal from the leachate.
A process for recovery of one or more target metals, selected from precious metals and chalcophile metals as respectively herein defined, from materials containing precious and/or chalcophile metal/s, said process including: (i) leaching the metal containing material with an aqueous solution containing: a "metal liberator" comprising an amino acid; and a "metal retainer" comprising one or more of ammonia, ammonium salts, carboxylic acids, carboxylic acid salts, dicarboxylic acids, dicarboxylic acid salts, hydroxy-carboxylic acids, hydroxy-carboxylic acid salts, ethylene diamine tetra-acetic acid (EDTA) and EDTA salts, to produce a leachate containing the target metal/s; and (ii) extracting the metal from the leachate.
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