C22B 34/124
Using acidic solutions or liquors
Official title: {using acidic solutions or liquors}
C22B34/124 (Using acidic solutions or liquors) appears on 121 US grants and 93 published applications in this corpus.
Search patents in C22B- Granted patents
- 121
- Published applications
- 93
- Assignees
- 97
- Inventors
- 316
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 6 | 0 |
| 1980 | 1 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 4 | 2 |
| 2003 | 1 | 3 |
| 2004 | 2 | 3 |
| 2005 | 0 | 3 |
| 2006 | 1 | 5 |
| 2007 | 1 | 4 |
| 2008 | 4 | 9 |
| 2009 | 6 | 4 |
| 2010 | 3 | 4 |
| 2011 | 4 | 1 |
| 2012 | 2 | 1 |
| 2013 | 0 | 3 |
| 2014 | 2 | 3 |
| 2015 | 3 | 7 |
| 2016 | 4 | 7 |
| 2017 | 1 | 4 |
| 2018 | 6 | 5 |
| 2019 | 7 | 3 |
| 2020 | 1 | 0 |
| 2021 | 3 | 2 |
| 2022 | 0 | 5 |
| 2023 | 1 | 5 |
| 2024 | 3 | 3 |
| 2025 | 3 | 2 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for integrated processing of titanium-containing feedstock to obtain high value-added products based on titanium, iron, calcium and nitrogen12 Aug 2025US 12,384,691 B2RD Titan Group, TOV
- Process for recovering titanium dioxide17 Jun 2025US 12,331,380 B2Commonwealth Scientific and Industrial Research Organisation
- Methods for recovering a target metal from iron or steel slag using at least one of a carbothermic reduction process and a pyro-hydrometallurgical process20 May 2025US 12,305,260 B2Tenova Goodfellow Inc.
- Methods of extraction of products from titanium-bearing materials24 Dec 2024US 12,172,905 B2Avertana Limited
- Method for co-extraction of vanadium, titanium and chromium from vanadium slag3 Dec 2024US 12,157,931 B2University of Science and Technology Beijing
- Method for recycling ceramic sintered body17 Sep 2026US 2026/0274670 A1Kabushiki Kaisha Toshiba
- Process of providing titanium dioxide and/or vanadium oxide26 Mar 2026US 2026/0085382 A1Fodere Titanium Limited
- Process for selectively capturing chemical elements from a polymetallic sample26 Feb 2026US 2026/0055006 A1Centre National De La Recherche Scientifique
- Methods of making upgraded synthetic rutile15 Jan 2026US 2026/0015691 A1University of Utah Research Foundation
- Methods for recovering a target metal from iron or steel slag using at least one of a carbothermic reduction process and a pyro-hydrometallurgical process2 Oct 2025US 2025/0305086 A1Tenova Goodfellow Inc.
Most cited
By later US patents
- Methods for leaching of ores29US 6,471,743 B1MBX Systems, Inc. · 2002
- Method for extraction of iron aluminum and titanium from coal ash25US 4,567,026 AInterNorth, Inc. · 1986
- leaching of titaniferous materials25US 5,826,162 ARGC Mineral Sands Limited · 1998
- Separation of titanium halides from aqueous solutions24US 6,500,396 B12002
- Coproducing alumina, iron oxide, and titanium-dioxide from aluminum ore bodies and feedstocks22US 6,447,738 B1Solv-Ex Corporation · 2002