C22B 7/002
By treating with halogens, sulfur or compounds thereof
Official title: {by treating with halogens, sulfur or compounds thereof; by carburising, by treating with hydrogen (hydriding)}
C22B7/002 (By treating with halogens, sulfur or compounds thereof) appears on 72 US grants and 96 published applications in this corpus.
Search patents in C22B- Granted patents
- 72
- Published applications
- 96
- Assignees
- 102
- Inventors
- 309
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 2 | 3 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 4 | 4 |
| 2010 | 1 | 9 |
| 2011 | 3 | 6 |
| 2012 | 6 | 4 |
| 2013 | 5 | 4 |
| 2014 | 1 | 0 |
| 2015 | 3 | 2 |
| 2016 | 0 | 3 |
| 2017 | 4 | 4 |
| 2018 | 2 | 0 |
| 2019 | 2 | 1 |
| 2020 | 0 | 3 |
| 2021 | 1 | 1 |
| 2022 | 0 | 5 |
| 2023 | 1 | 7 |
| 2024 | 5 | 14 |
| 2025 | 5 | 10 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing secondary battery material from black mass14 Jul 2026US 12,683,210 B2Kemco
- Recycling method for heavy rare earth element and recycling method for rare earth magnet14 Apr 2026US 12,601,033 B2Shin-Etsu Chemical Co., Ltd.
- Multi-dimensional ligand-assisted chromatography method for the purification of rare earth elements and other metal ions from waste magnets6 Jan 2026US 12,516,400 B2Purdue Research Foundation
- Method for recovering active metal of lithium secondary battery6 Jan 2026US 12,519,150 B2SK Innovation Co., Ltd.
- Metal recovery process12 Aug 2025US 12,385,106 B2Minex Technology Group Limited
- Method and apparatus for metals recovery23 Jul 2026US 2026/0209887 A1Flash Metals USA Inc.
- Multi-Dimensional Ligand-Assisted Chromatography Method for the Purification of Rare Earth Elements and Other Metal Ions from Waste Magnets23 Jul 2026US 2026/0209892 A1Purdue Research Foundation
- Method for recovering metals from batteries16 Jul 2026US 2026/0201499 A1Hyundai Motor Company
- Method for recovering lithium25 Jun 2026US 2026/0176716 A1Posco Holding Inc.
- Aluminium composite material and process of preparing the same18 Jun 2026US 2026/0171530 A1BASF SE
Most cited
By later US patents
- Method for reducing volume of a radioactive composition144US 5,202,100 AMolten Metal Technology, Inc. · 1993
- Method for producing a non-radioactive product from a radioactive waste119US 5,489,734 AMolten Metal Technology, Inc. · 1996
- Chemical component recovery from ligated-metals108US 6,096,109 AMolten Metal Technology, Inc. · 2000
- Process for simultaneously processing of used metal and/or metal _scrap and scrap containing halogenated hydrocarbons43US 4,317,800 AEsmil B.V. · 1982
- Method of recovering radioactive beryllium31US 5,758,254 AJapan Atomic Energy Research Institute · 1998