C22B 15/0069
Containing halogen
Official title: {containing halogen}
C22B15/0069 (Containing halogen) appears on 119 US grants and 93 published applications in this corpus.
Search patents in C22B- Granted patents
- 119
- Published applications
- 93
- Assignees
- 94
- Inventors
- 261
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 2 |
| 2004 | 1 | 7 |
| 2005 | 2 | 5 |
| 2006 | 0 | 4 |
| 2007 | 2 | 1 |
| 2008 | 4 | 4 |
| 2009 | 3 | 6 |
| 2010 | 7 | 6 |
| 2011 | 3 | 3 |
| 2012 | 5 | 5 |
| 2013 | 4 | 4 |
| 2014 | 4 | 1 |
| 2015 | 2 | 3 |
| 2016 | 4 | 6 |
| 2017 | 3 | 2 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 2 |
| 2021 | 3 | 5 |
| 2022 | 1 | 4 |
| 2023 | 1 | 4 |
| 2024 | 5 | 5 |
| 2025 | 3 | 6 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Equipment and method for leaching copper, and method for producing electrolytic copper using said equipment and method28 Apr 2026US 12,612,677 B2JX Advanced Metals Corporation
- Ore resetting process for copper leaching24 Feb 2026US 12,559,820 B2Ceibo Inc.
- Solid-liquid-solid hydrometallurgical process optimized to increase the solubilization of metals from ores and/or concentrates in acid-chloride medium5 Aug 2025US 12,378,635 B2Nova Mineralis S.A.
- Solid-liquid-solid method for the solubilisation of copper minerals and concentrates, independent of the redox potential and with low consumption of water and acid6 May 2025US 12,291,761 B2Nova Mineralis S.A.
- Water balance in a chloride heap leach4 Mar 2025US 12,241,140 B2Bhp Chile Inc
- Leaching method for sulfide minerals3 Sep 2026US 2026/0258525 A1Guangxi Cngr New Energy Science & Technology Co., Ltd
- Process for leaching copper produced from secondary sources30 Jul 2026US 2026/0218331 A1Glencore Technology Pty Limited
- Rare earth element recovery method23 Jul 2026US 2026/0209885 A1Toyo Engineering Corporation
- Ore resetting process for copper leaching18 Jun 2026US 2026/0168051 A1Ceibo Inc.
- Extraction and recovery of metals under ambient conditions29 Jan 2026US 2026/0028695 A1ZincFive, LLC
Most cited
By later US patents
- Chloride assisted hydrometallurgical copper extraction52US 5,431,788 ACominco Engineering Services Ltd. · 1995
- Recovering copper from concentrates with insoluble sulfate forming leach49US 4,039,406 ANoranda Mines Limited · 1977
- Chloride assisted hydrometallurgical extraction of metal42US 5,902,474 ACominco Engineering Services Ltd. · 1999
- Hydrometallurgical copper extraction process41US 5,316,567 ACominco Engineering Services Ltd. · 1994
- Metal sulphide extraction36US 4,378,275 ASaudi-Sudanese Red Sea Joint Commission · 1983