C22B 30/00
Obtaining antimony, arsenic or bismuth
C22B30/00 (Obtaining antimony, arsenic or bismuth) appears on 138 US grants and 89 published applications in this corpus.
Search patents in C22B- Granted patents
- 138
- Published applications
- 89
- Assignees
- 127
- Inventors
- 433
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 3 |
| 2006 | 3 | 4 |
| 2007 | 2 | 2 |
| 2008 | 1 | 1 |
| 2009 | 4 | 4 |
| 2010 | 2 | 12 |
| 2011 | 0 | 3 |
| 2012 | 7 | 3 |
| 2013 | 5 | 3 |
| 2014 | 2 | 4 |
| 2015 | 3 | 3 |
| 2016 | 1 | 5 |
| 2017 | 3 | 5 |
| 2018 | 3 | 8 |
| 2019 | 5 | 3 |
| 2020 | 5 | 2 |
| 2021 | 6 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 5 |
| 2024 | 1 | 5 |
| 2025 | 4 | 4 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and system for supercritical fluid extraction of metal23 Jun 2026US 12,662,390 B2The Governing Council of the University of Toronto
- Real-time monitoring system and method for copper-arsenic sulfidation separation in copper electrolyte purification process19 May 2026US 12,630,899 B2Tongji University
- System for treating tin smelting intermediate materials and method for treating same9 Dec 2025US 12,492,446 B2Kunming University of Science and Technology
- Peptide and method for using same20 May 2025US 12,303,916 B2JX Advanced Metals Corporation
- Low temperature reduction of metal oxides4 Mar 2025US 12,241,141 B2Kinaltek Pty. Ltd.
- Method for antimony recovery and synergistic fluorine fixation from low-grade complex antimony oxide resources1 Oct 2026US 2026/0297704 A1Kunming University of Science and Technology
- Methods of extracting metals by electrochemical processing of a sulfoarsenide compound21 May 2026US 2026/0139400 A1Battelle Energy Alliance, LLC
- Real-time monitoring system and method for copper-arsenic sulfidation separation in copper electrolyte purification process26 Feb 2026US 2026/0055482 A1Tongji University
- Method for the Selective Recovery of Bismuth From Solid Impurity Streams Generated During the Primary Production of Copper8 Jan 2026US 2026/0009102 A1Consejo Superior De Investigaciones Cientificas (Csic)
- Bismuthene as versatile photocatalyst operating under variable conditions for photoredox c-h bond functionalization13 Nov 2025US 2025/0345777 A1Koc Universitesi
Most cited
By later US patents
- Process for treating metal-contaminated materials48US 5,556,447 APhysical Sciences, Inc. · 1996
- Process for the removal of impurity elements from solutions of valuable metals36US 5,632,963 AHenkel Kommanditgesellschaft auf Aktien · 1997
- Process for radioisotope recovery and system for implementing same34US 7,157,061 B2Battelle Energy Alliance, LLC · 2007
- Removal of arsenic from aqueous solutions29US 4,366,128 ASherritt Gordon Mines Limited · 1982
- Procedure for separating arsenic from waste material24US 5,114,592 AWalhalla-Kalk, Entwichlungs- und Vertriebsgesellschaft mbH · 1992