C22B 15/0008
By wet processes
Official title: {by wet processes (by flotation B03D)}
C22B15/0008 (By wet processes) appears on 58 US grants and 62 published applications in this corpus.
Search patents in C22B- Granted patents
- 58
- Published applications
- 62
- Assignees
- 64
- Inventors
- 179
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 5 |
| 2009 | 3 | 1 |
| 2010 | 2 | 4 |
| 2011 | 3 | 2 |
| 2012 | 1 | 1 |
| 2013 | 2 | 2 |
| 2014 | 3 | 2 |
| 2015 | 2 | 4 |
| 2016 | 1 | 4 |
| 2017 | 4 | 4 |
| 2018 | 3 | 1 |
| 2019 | 3 | 4 |
| 2020 | 4 | 1 |
| 2021 | 1 | 3 |
| 2022 | 0 | 1 |
| 2023 | 2 | 3 |
| 2024 | 1 | 3 |
| 2025 | 2 | 5 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and systems for leaching a metal-bearing material26 May 2026US 12,637,735 B2Freeport Minerals Corporation
- Method for treating alloy16 Dec 2025US 12,500,283 B2Sumitomo Metal Mining Co., Ltd.
- Method for disassembling and separating waste lithium-ion battery4 Feb 2025US 12,218,324 B2Hunan Jin Yuan New Materials Joint Stock Company Limited
- Methods and systems for leaching a metal-bearing material25 Jun 2024US 12,018,349 B2Freeport Minerals Corporation
- Recovery of precious metals from copper anode slime14 Nov 2023US 11,814,699 B2Amirkabir University of Technolog
- Methods and systems for leaching a metal-bearing material using sulfinates20 Aug 2026US 2026/0242892 A1Freeport Minerals Corporation
- Separation liquid and method for recovery of metal-inorganic composite electrode assembly13 Aug 2026US 2026/0233271 A1Rikomay Recycling Singapore Pte. Ltd.
- Methods and systems for leaching a metal-bearing material2 Jul 2026US 2026/0185183 A1Freeport Minerals Corporation
- Manufacturing method for recycled material29 Jan 2026US 2026/0031421 A1Prime Planet Energy & Solutions, Inc.
- In Situ Leaching of Copper From Porphyry Copper Ore Bodies Through Stimulated Natural Fracture Networks25 Dec 2025US 2025/0389179 A1
Most cited
By later US patents
- Recovery of copper values from copper ores56US 6,319,389 B1Hydromet Systems, L.L.C. · 2001
- Hydrometallurgical process for extracting copper from chalcopyrite or bornite concentrates52US 3,949,051 A1976
- Recovery of metal values from mineral ores by incorporation in coal-oil agglomerates28US 4,585,548 ABP Australia Limited · 1986
- Method for the processing of copper minerals22US 5,917,116 ADominion Mining Limited · 1999
- Arsenide depression in flotation of multi-sulfide minerals17US 7,004,326 B1Inco Limited · 2006