C22B 11/06
Chloridising
C22B11/06 (Chloridising) appears on 78 US grants and 85 published applications in this corpus.
Search patents in C22B- Granted patents
- 78
- Published applications
- 85
- Assignees
- 71
- Inventors
- 206
- Latest grant
- 15 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 3 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 3 |
| 2008 | 0 | 4 |
| 2009 | 0 | 5 |
| 2010 | 5 | 8 |
| 2011 | 4 | 4 |
| 2012 | 3 | 5 |
| 2013 | 3 | 3 |
| 2014 | 0 | 5 |
| 2015 | 6 | 4 |
| 2016 | 1 | 4 |
| 2017 | 4 | 4 |
| 2018 | 3 | 2 |
| 2019 | 5 | 3 |
| 2020 | 4 | 6 |
| 2021 | 1 | 1 |
| 2022 | 5 | 4 |
| 2023 | 6 | 5 |
| 2024 | 1 | 4 |
| 2025 | 2 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods for wet etching of noble metals15 Apr 2025US 12,276,033 B2Tokyo Electron Limited
- Method for recovering precious metal1 Apr 2025US 12,264,380 B2Heraeus Deutschland GmbH & Co. KG
- Apparatus for platinum group metals recovery from spent catalysts13 Feb 2024US 11,898,220 B2Yeda Research and Development Co. Ltd.
- Methods for wet atomic layer etching of ruthenium31 Oct 2023US 11,802,342 B2Tokyo Electron Limited
- Precious metals recovery17 Oct 2023US 11,788,170 B2Stillwater Mining Company
- Method for leaching gold from a gold-bearing substrate6 Aug 2026US 2026/0226581 A1Universite Libre de Bruxelles
- Full hydrometallurgical process for recovering multiple metals from complex rare and precious material16 Jul 2026US 2026/0201500 A1Copper Branch Company of Yunnan Tin Company Lmited
- Precious metals recovery19 Jun 2025US 2025/0197964 A1Stillwater Mining Company
- An electrochemical process for recovering platinum group metals (pgms) from solid residues12 Jun 2025US 2025/0188635 A1
- Solvents and methods for leaching precious metals19 Dec 2024US 2024/0417824 A1Ph7 Technologies Inc.
Most cited
By later US patents
- Recovery of gold from carbonaceous ores by simultaneous chlorine leach and ion exchange resin adsorption process48US 4,723,998 A1988
- Treatment of copper refinery slimes30US 4,094,668 ANewmont Exploration Limited · 1978
- Process for recovering gold and silver from refractory ores30US 4,647,307 A1987
- Enhancement of gold lixiviation using nitrogen and sulfur heterocyclic aromatic compounds23US 5,484,470 AE. I. Du Pont de Nemours and Company · 1996
- Process for recovering metals from refractory ores20US 5,104,445 AChevron Research and Technology Company · 1992