C22B 5/08
By sulfides
Official title: by sulfides; Roasting reaction methods
C22B5/08 (By sulfides) appears on 11 US grants and 12 published applications in this corpus.
Search patents in C22B- Granted patents
- 11
- Published applications
- 12
- Assignees
- 12
- Inventors
- 39
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 2 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for recovering metals contained in spent catalysts from ferro-alloys19 Aug 2025US 12,392,012 B2Eco'ring
- Method for refining sulfidic copper concentrate8 Oct 2019US 10,435,769 B2Outotec (Finland) Oy
- Rotation-suspension smelting method, a burner and a metallurgical equipment4 Dec 2018US 10,144,988 B2Yanggu Xiangguang Copper Co., Ltd.
- Method for producing matte or crude metal in a suspension smelting furnace and suspension smelting furnace27 Mar 2018US 9,926,617 B2Outotec (Finland) Oy
- Processing of sulfate and/or sulfide-rich waste using CO2-enriched gases to sequester CO2, reduce environmental impacts including acid rock drainage and produce reaction products15 Mar 2016US 9,284,621 B2Strategic Metals Ltd.
- Method for processing zinc concentrates5 Jun 2025US 2025/0179611 A1Glencore Technology Pty Limited
- Treatment of zinc leach residue13 Mar 2025US 2025/0084503 A1Glencore Technology Pty Limited
- Process for Recycling Battery Materials By Way of Hydrometallurgical Treatment22 Aug 2024US 2024/0283044 A1H. C. Starck Tungsten GmbH
- Method for recovering metals contained in spent catalysts from ferro-alloys4 May 2023US 2023/0132701 A1Eco'ring
- Method for refining sulfidic copper concentrate16 May 2019US 2019/0144970 A1Outotec (Finland) Oy
Most cited
By later US patents
- Apparatus for suspension smelting of finely-grained oxide and/or sulfide ores and concentrates8US 4,088,310 AOutokumpu Oy · 1978
- Process for the refining of sulfidic concentrates which contain arsenic, antimony and bismuth4US 4,578,254 ARM Metal Consulting Ky · 1986
- Method for processing chromium oxide-containing substances in large quantities, method for utilizing the processed substances, and products comprising the processed substances2US 6,336,967 B12002
- Processing of sulfate and/or sulfide-rich waste using CO2-enriched gases to sequester CO2, reduce environmental impacts including acid rock drainage and produce reaction products2US 9,284,621 B2Strategic Metals Ltd. · 2016
- Microwave enhancement of the segregation roast1US 7,544,227 B2Cato Research Corporation · 2009