C22B 23/0423
Halogenated acids or salts thereof
Official title: {Halogenated acids or salts thereof}
C22B23/0423 (Halogenated acids or salts thereof) appears on 91 US grants and 85 published applications in this corpus.
Search patents in C22B- Granted patents
- 91
- Published applications
- 85
- Assignees
- 82
- Inventors
- 269
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 3 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 3 |
| 2008 | 1 | 2 |
| 2009 | 3 | 2 |
| 2010 | 2 | 1 |
| 2011 | 1 | 2 |
| 2012 | 4 | 2 |
| 2013 | 0 | 2 |
| 2014 | 2 | 1 |
| 2015 | 0 | 3 |
| 2016 | 1 | 4 |
| 2017 | 2 | 3 |
| 2018 | 3 | 1 |
| 2019 | 2 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 4 |
| 2022 | 1 | 3 |
| 2023 | 2 | 6 |
| 2024 | 5 | 12 |
| 2025 | 3 | 15 |
| 2026 | 4 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Comprehensive utilization method for valuable elements in hydrometallurgical slag of laterite nickel ore23 Jun 2026US 12,662,715 B2Gem Co., Ltd.
- Production method for cobalt sulfate26 May 2026US 12,637,361 B2Sumitomo Metal Mining Co., Ltd.
- Method of selectively removing aluminum from waste electrode and a method of removing metal components from the waste electrode using the method24 Mar 2026US 12,586,834 B2LG Energy Solution, Ltd.
- Method and electrochemical system for recycling spent lithium-ion battery17 Feb 2026US 12,553,142 B2East China University of Science and Technology
- Method for reducing waste by recovering transition metals from lithium secondary battery21 Oct 2025US 12,451,533 B2SK Innovation Co., Ltd.
- Method of recycling waste ionomer membrane3 Sep 2026US 2026/0258524 A1Johnson Matthey Public Limited Company
- Leaching method for sulfide minerals3 Sep 2026US 2026/0258525 A1Guangxi Cngr New Energy Science & Technology Co., Ltd
- Integration of Carbon Sequestration with Selective Hydrometallurgical Recovery of Metal Values2 Jul 2026US 2026/0185186 A1NEGATIVE EMISSIONS MATERIALS, INC. (doing business as ATLAS MATERIALS)
- Method of selectively removing aluminum from waste electrode and a method of removing metal components from the waste electrode using the method4 Jun 2026US 2026/0155472 A1LG Energy Solution, Ltd.
- Method of Obtaining a Nickel Ore Concentrate, Method of Processing a Nickel Ore Concentrate, and Method of Recovering Materials Derived from Nickel Ore21 May 2026US 2026/0139342 A1New Wave Royalties Sociedad Anonima
Most cited
By later US patents
- Chloride assisted hydrometallurgical copper extraction52US 5,431,788 ACominco Engineering Services Ltd. · 1995
- Chloride assisted hydrometallurgical extraction of metal42US 5,902,474 ACominco Engineering Services Ltd. · 1999
- Metal sulphide extraction36US 4,378,275 ASaudi-Sudanese Red Sea Joint Commission · 1983
- Chloride assisted hydrometallurgical extraction of metal34US 5,869,012 ACominco Engineering Services Ltd. · 1999
- Formation of coke from heavy crude oils in the presence of calcium carbonate33US 4,521,382 AAlberta Research Council · 1985