C22B 15/0071
Containing sulfur
Official title: {containing sulfur}
C22B15/0071 (Containing sulfur) appears on 316 US grants and 306 published applications in this corpus.
Search patents in C22B- Granted patents
- 316
- Published applications
- 306
- Assignees
- 192
- Inventors
- 765
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 7 | 0 |
| 1978 | 19 | 0 |
| 1979 | 9 | 0 |
| 1980 | 7 | 0 |
| 1981 | 3 | 0 |
| 1982 | 7 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 9 | 0 |
| 2000 | 2 | 0 |
| 2001 | 11 | 2 |
| 2002 | 10 | 7 |
| 2003 | 7 | 8 |
| 2004 | 4 | 9 |
| 2005 | 5 | 11 |
| 2006 | 3 | 10 |
| 2007 | 3 | 5 |
| 2008 | 4 | 9 |
| 2009 | 7 | 12 |
| 2010 | 10 | 11 |
| 2011 | 7 | 9 |
| 2012 | 8 | 7 |
| 2013 | 9 | 3 |
| 2014 | 4 | 4 |
| 2015 | 1 | 7 |
| 2016 | 8 | 11 |
| 2017 | 2 | 14 |
| 2018 | 8 | 12 |
| 2019 | 5 | 8 |
| 2020 | 19 | 20 |
| 2021 | 8 | 9 |
| 2022 | 6 | 16 |
| 2023 | 13 | 22 |
| 2024 | 18 | 26 |
| 2025 | 19 | 27 |
| 2026 | 7 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Binder for an agglomeration process8 Sep 2026US 12,729,161 B2Mintek
- Methods and systems for leaching a metal-bearing material26 May 2026US 12,637,735 B2Freeport Minerals Corporation
- 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
- Microbial-assisted heap leaching17 Mar 2026US 12,577,634 B2Technological Resources Pty. Limited
- Wet process for recovering valuable metals from lithium battery24 Feb 2026US 12,559,379 B2Guangdong Brunp Recycling Technology Co., Ltd.
- Heap leaching of copper sulphide ores10 Sep 2026US 2026/0265862 A1Mintek
- Leaching method for sulfide minerals3 Sep 2026US 2026/0258525 A1Guangxi Cngr New Energy Science & Technology Co., Ltd
- Methods and systems for leaching a metal-bearing material using alkyl thiosulfonates13 Aug 2026US 2026/0234751 A1Freeport Minerals Corporation
- Heap Leaching a Material13 Aug 2026US 2026/0234752 A1Rio Tinto Technological Resources Inc.
- Process for leaching copper produced from secondary sources30 Jul 2026US 2026/0218331 A1Glencore Technology Pty Limited
Most cited
By later US patents
- Processes and intermediates for preparing anti-cancer compounds70US 6,476,040 B1Pfizer Inc. · 2002
- Hydrometallurgical process for the treatment of copper-bearing ore59US 5,356,457 ACorporacion Nacional del Cobre de Chile · 1994
- 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
- Chloride assisted hydrometallurgical copper extraction52US 5,431,788 ACominco Engineering Services Ltd. · 1995