C22B 17/00
Obtaining cadmium
C22B17/00 (Obtaining cadmium) appears on 96 US grants and 51 published applications in this corpus.
Search patents in C22B- Granted patents
- 96
- Published applications
- 51
- Assignees
- 71
- Inventors
- 223
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 2 |
| 2004 | 4 | 2 |
| 2005 | 2 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 2 | 1 |
| 2012 | 0 | 3 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 6 | 11 |
| 2021 | 2 | 2 |
| 2022 | 1 | 3 |
| 2023 | 1 | 3 |
| 2024 | 6 | 9 |
| 2025 | 2 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ammonium complex system-based method for separating and purifying lead, zinc, cadmium, and copper31 Mar 2026US 12,590,352 B2GreenNovo Environmental Technology Co., Ltd
- Process of extraction of metals from a wet mass of waste30 Sep 2025US 12,428,703 B2Hbi S.R.L.
- Process for leaching metal sulfides with reagents having thiocarbonyl functional groups16 Sep 2025US 12,416,066 B2Jetti Resources, LLC
- Processes for the removal and recovery of cadmium from wet-process phosphoric acid22 Oct 2024US 12,123,072 B2K-Technologies, Inc.
- Process for leaching metal sulfides with reagents having thiocarbonyl functional groups30 Jul 2024US 12,049,680 B2Jetti Resources, LLC
- Process for leaching metal sulfides with reagents having thiocarbonyl functional groups16 Apr 2026US 2026/0103775 A1Jetti Resources, LLC
- Process for heavy metal removal from iron- and steelmaking flue dust12 Feb 2026US 2026/0043110 A1Tata Steel Ijmuiden B.V.
- Systems and methods for electrochemically enable recycling of cdte photovoltaics27 Nov 2025US 2025/0361578 A1Battelle Energy Alliance, LLC
- Crosslinked structure, metal-trapping material including said crosslinked structure, method for recovering metal using said metal-trapping material, and method for manufacturing said crosslinked structure24 Apr 2025US 2025/0128236 A1Daicel Corporation
- Process for leaching metal sulfides with reagents having thiocarbonyl functional groups10 Oct 2024US 2024/0336990 A1Jetti Resources, LLC
Most cited
By later US patents
- Process for treating metal-contaminated materials48US 5,556,447 APhysical Sciences, Inc. · 1996
- Extraction of trace metals from fly ash43US 4,475,993 AThe United States of America as represented by the United States Department of Energy · 1984
- Reclaiming metallic material from an article comprising a non-metallic friable substrate29US 6,129,779 AFirst Solar, Inc. · 2000
- Process for metal recovery from steel plant dust22US 4,610,722 AAmax Inc. · 1986
- Membrane processes for metal recovery and pollution control in metal process industries21US 4,655,928 AGNB Incorporated · 1987