C22B 15/0084
Treating solutions
Official title: {Treating solutions (with organic compounds C22B3/20)}
C22B15/0084 (Treating solutions) appears on 435 US grants and 358 published applications in this corpus.
Search patents in C22B- Granted patents
- 435
- Published applications
- 358
- Assignees
- 299
- Inventors
- 1,034
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 29 | 0 |
| 1977 | 22 | 0 |
| 1978 | 18 | 0 |
| 1979 | 14 | 0 |
| 1980 | 10 | 0 |
| 1981 | 11 | 0 |
| 1982 | 11 | 0 |
| 1983 | 9 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 8 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 4 |
| 2002 | 10 | 6 |
| 2003 | 11 | 11 |
| 2004 | 9 | 15 |
| 2005 | 5 | 13 |
| 2006 | 5 | 17 |
| 2007 | 5 | 10 |
| 2008 | 6 | 14 |
| 2009 | 14 | 17 |
| 2010 | 12 | 23 |
| 2011 | 10 | 12 |
| 2012 | 15 | 15 |
| 2013 | 20 | 11 |
| 2014 | 14 | 14 |
| 2015 | 9 | 10 |
| 2016 | 10 | 9 |
| 2017 | 7 | 8 |
| 2018 | 6 | 9 |
| 2019 | 7 | 9 |
| 2020 | 14 | 19 |
| 2021 | 9 | 13 |
| 2022 | 5 | 7 |
| 2023 | 7 | 18 |
| 2024 | 13 | 29 |
| 2025 | 9 | 26 |
| 2026 | 8 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Solvent free copper extraction18 Aug 2026US 12,709,784 B2GreenSource Fabrication LLC
- Carbonation and selective leaching for the recovery of metals11 Aug 2026US 12,703,894 B2Phoenix Tailings, Inc.
- Method for removing elemental copper from ternary battery waste and application thereof14 Jul 2026US 12,683,208 B2Guangdong Brunp Recycling Technology Co., Ltd.
- Method for recovering valuable materials from batteries7 Jul 2026US 12,676,351 B2University of Kentucky Research Foundation
- Methods and systems for leaching a metal-bearing material26 May 2026US 12,637,735 B2Freeport Minerals Corporation
- Systems and methods for improved metal recovery by leaching8 Oct 2026US 2026/0308711 A1Freeport Minerals Corporation
- Systems and methods for improved metal recovery by leaching8 Oct 2026US 2026/0308712 A1Freeport Minerals Corporation
- Mining chemical collector compositions and processes for recovering metal from ore1 Oct 2026US 2026/0295598 A1Chevron Phillips Chemical Company LP
- Method for metal ion removal from metal-containing solution using fluidized bed homogeneous crystallization24 Sep 2026US 2026/0285717 A1National Chunghsing University
- Method for the recovery of metals from e-waste10 Sep 2026US 2026/0265859 A1Renewable Metals Pty Ltd
Most cited
By later US patents
- Metal nanocrystals and synthesis thereof117US 6,645,444 B2Nanospin Solutions · 2003
- Chloride assisted hydrometallurgical copper extraction52US 5,431,788 ACominco Engineering Services Ltd. · 1995
- Process for the recovery of hydrogen-reduced metals, ions and the like at porous hydrophobic catalytic barriers51US 4,331,520 APrototech Company · 1982
- Processes and apparatus for recovery and removal of copper from fluids51US 6,391,188 B1Shipley Company, L.L.C. · 2002
- Hydrometallurgical treatment of copper-bearing hematite residue42US 4,338,168 ANoranda Mines Limited · 1982