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Found results for
 patents
1.
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PRECIOUS METALS RECOVERY
| Application Number |
18779840 |
| Status |
Pending |
| Filing Date |
2024-07-22 |
| First Publication Date |
2024-11-14 |
| Owner |
STILLWATER MINING COMPANY (USA)
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| Inventor |
- Shuck, Dave
- Kolstad, Jerry
- Rapkoch, Mark
- Dunn, Grenvil Marquis
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Abstract
Discloses a hydrometallurgical process and system for the recovery of precious metals; specifically palladium, rhodium, and platinum metals, at high purity and with limited waste and environmental fouling.
IPC Classes ?
- C22B 11/00 - Obtaining noble metals
- C22B 3/10 - Hydrochloric acid
- C22B 3/12 - Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions
- C22B 3/14 - Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions containing ammonia or ammonium salts
- C22B 3/16 - Extraction of metal compounds from ores or concentrates by wet processes by leaching in organic solutions
- C22B 3/22 - Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means
- C22B 3/42 - Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
- C22B 3/44 - Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
- C22B 11/06 - Chloridising
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2.
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PRECIOUS METALS RECOVERY
| Application Number |
18465359 |
| Status |
Pending |
| Filing Date |
2023-09-12 |
| First Publication Date |
2023-12-28 |
| Owner |
STILLWATER MINING COMPANY (USA)
|
| Inventor |
- Shuck, Dave
- Kolstad, Jerry
- Rapkoch, Mark
- Dunn, Grenvil Marquis
|
Abstract
Discloses a hydrometallurgical process and system for the recovery of precious metals; specifically palladium, rhodium, and platinum metals, at high purity and with limited waste and environmental fouling.
IPC Classes ?
- C22B 11/00 - Obtaining noble metals
- C22B 3/12 - Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions
- C22B 3/42 - Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
- C22B 3/44 - Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
- C22B 3/14 - Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions containing ammonia or ammonium salts
- C22B 3/10 - Hydrochloric acid
- C22B 3/16 - Extraction of metal compounds from ores or concentrates by wet processes by leaching in organic solutions
- C22B 3/22 - Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means
- C22B 11/06 - Chloridising
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3.
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Precious metals recovery
| Application Number |
16423960 |
| Grant Number |
11788170 |
| Status |
In Force |
| Filing Date |
2019-05-28 |
| First Publication Date |
2019-09-19 |
| Grant Date |
2023-10-17 |
| Owner |
Stillwater Mining Company (USA)
|
| Inventor |
- Shuck, Dave
- Kolstad, Jerry
- Rapkoch, Mark
- Dunn, Grenvil Marquis
|
Abstract
Discloses a hydrometallurgical process and system for the recovery of precious metals; specifically palladium, rhodium, and platinum metals, at high purity and with limited waste and environmental fouling.
IPC Classes ?
- C22B 3/12 - Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions
- C22B 11/00 - Obtaining noble metals
- C22B 3/42 - Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
- C22B 3/44 - Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
- C22B 3/14 - Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions containing ammonia or ammonium salts
- C22B 3/10 - Hydrochloric acid
- C22B 3/16 - Extraction of metal compounds from ores or concentrates by wet processes by leaching in organic solutions
- C22B 3/22 - Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means
- C22B 11/06 - Chloridising
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4.
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Precious metals recovery
| Application Number |
15138770 |
| Grant Number |
10316388 |
| Status |
In Force |
| Filing Date |
2016-04-26 |
| First Publication Date |
2016-08-18 |
| Grant Date |
2019-06-11 |
| Owner |
Stillwater Mining Company (USA)
|
| Inventor |
- Shuck, Dave
- Kolstad, Jerry
- Rapkoch, Mark
- Dunn, Grenvil Marquis
|
Abstract
A hydrometallurgical process and system for the recovery of precious metals; specifically, palladium, rhodium, and platinum metals, at high purity and with limited waste and environmental fouling.
IPC Classes ?
- C22B 3/00 - Extraction of metal compounds from ores or concentrates by wet processes
- C22B 3/10 - Hydrochloric acid
- C22B 3/12 - Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions
- C22B 3/16 - Extraction of metal compounds from ores or concentrates by wet processes by leaching in organic solutions
- C22B 3/22 - Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means
- C22B 3/42 - Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
- C22B 11/06 - Chloridising
- C22B 3/14 - Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions containing ammonia or ammonium salts
- C22B 3/20 - Treatment or purification of solutions, e.g. obtained by leaching
- C22B 3/44 - Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
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5.
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Precious metals recovery
| Application Number |
13976576 |
| Grant Number |
09347113 |
| Status |
In Force |
| Filing Date |
2012-12-03 |
| First Publication Date |
2014-12-25 |
| Grant Date |
2016-05-24 |
| Owner |
Stillwater Mining Company (USA)
|
| Inventor |
- Shuck, Dave
- Kolstad, Jerry
- Rapkoch, Mark
- Dunn, Grenvil Marquis
|
Abstract
Discloses a hydrometallurgical process and system for the recovery of precious metals; specifically palladium, rhodium, and platinum metals, at high purity and with limited waste and environmental fouling.
IPC Classes ?
- C22B 11/00 - Obtaining noble metals
- C22B 3/00 - Extraction of metal compounds from ores or concentrates by wet processes
- C22B 3/44 - Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
- C22B 3/42 - Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
- C22B 3/14 - Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions containing ammonia or ammonium salts
- C22B 3/12 - Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions
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6.
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QUANTITATIVE PRECIOUS METALS RECOVERY IN THE PRESENCE OF INTERFERING METALS, SALTS, AND IONS
| Document Number |
02857687 |
| Status |
In Force |
| Filing Date |
2012-12-03 |
| Open to Public Date |
2013-06-06 |
| Grant Date |
2019-07-09 |
| Owner |
STILLWATER MINING COMPANY (USA)
|
| Inventor |
- Shuck, Dave
- Kolstad, Jerry
- Rapkoch, Mark
- Dunn, Grenvil Marquis
|
Abstract
Discloses a hydrometallurgical process and system for the recovery of precious metals; specifically palladium, rhodium and platinum metals, at high purity and with limited waste and environmental fouling from a feed stream containing lower value metal impurities such as lead, iron, nickel, selenium, tellurium, sulfur, arsenic, or combinations of these compounds. In the recovery process, base metals complexes are altered to cations and quantitatively removed on an ion exchange resin, while precious metals are anionic and do not load on the ion exchange media and pass through at very high blended purity for further separation and recovery.
IPC Classes ?
- C22B 3/20 - Treatment or purification of solutions, e.g. obtained by leaching
- C22B 11/00 - Obtaining noble metals
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7.
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PRECIOUS METALS RECOVERY
| Application Number |
US2012067635 |
| Publication Number |
2013/082614 |
| Status |
In Force |
| Filing Date |
2012-12-03 |
| Publication Date |
2013-06-06 |
| Owner |
STILLWATER MINING COMPANY (USA)
|
| Inventor |
- Shuck, Dave
- Kolstad, Jerry
- Rapkoch, Mark
- Dunn, Grenvil, Marquis
|
Abstract
Discloses a hydrometallurgical process and system for the recovery of precious metals; specifically palladium, rhodium, and platinum metals, at high purity and with limited waste and environmental fouling.
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