C22B 58/00
Obtaining gallium or indium
Official title: Obtaining gallium or indium {(treatment or purification of solutions by liquid-liquid extraction, by ion-exchange or by adsorption C22B3/20)}
C22B58/00 (Obtaining gallium or indium) appears on 116 US grants and 100 published applications in this corpus.
Search patents in C22B- Granted patents
- 116
- Published applications
- 100
- Assignees
- 114
- Inventors
- 422
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 4 |
| 2003 | 2 | 2 |
| 2004 | 2 | 2 |
| 2005 | 2 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 4 |
| 2009 | 2 | 0 |
| 2010 | 1 | 18 |
| 2011 | 5 | 4 |
| 2012 | 4 | 2 |
| 2013 | 5 | 6 |
| 2014 | 7 | 6 |
| 2015 | 2 | 9 |
| 2016 | 5 | 6 |
| 2017 | 6 | 3 |
| 2018 | 2 | 2 |
| 2019 | 3 | 5 |
| 2020 | 4 | 6 |
| 2021 | 1 | 1 |
| 2022 | 2 | 2 |
| 2023 | 2 | 3 |
| 2024 | 3 | 8 |
| 2025 | 3 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Deployable multi-zone rotary-kiln system and method for recovery of gallium oxide from electronic waste15 Sep 2026US 12,735,769 B1Simple Approach Systems, Inc.
- Method for co-producing blister copper by enriching germanium and indium from a copper sulfide ore7 Oct 2025US 12,435,388 B2Honghe University
- Device and method for recovering arsenic and gallium3 Jun 2025US 12,319,981 B2Kunming University of Science and Technology
- Method for removing arsenic from copper smelting soot and comprehensive recovery of valuable metals4 Feb 2025US 12,215,406 B1Shandong Humon Smelting Co., Ltd.
- Method for producing gallium precursor and method for producing laminated body using the same31 Dec 2024US 12,180,585 B2Shin-Etsu Chemical Co., Ltd.
- Synthesis of bio-based catecholic acid- and derivatives-functionalized adsorbents for recovery of metals and metalloids from acidic solutions8 Oct 2026US 2026/0307051 A1The Penn State Research Foundation
- Rare earth element extraction methods and apparatuses16 Apr 2026US 2026/0103778 A1Carbon Holdings Intellectual Properties, LLC
- Method for separating indium oxide and tin oxide from indium tin oxide waste target by vacuum method5 Mar 2026US 2026/0062767 A1Kunming University of Science and Technology
- Method for preparing high-purity indium6 Mar 2025US 2025/0075289 A1Kunming University of Science and Technology
- Efficient recycling of e-waste by energy landscape inversion26 Dec 2024US 2024/0425948 A1North Carolina State University
Most cited
By later US patents
- 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
- Process for recovering gallium25US 4,193,968 AThe Anaconda Company · 1980
- Process for producing high-purity gallium24US 4,362,560 A1982
- Recovery and separation of gadolinium and gallium20US 4,198,231 ASwiss Aluminium Ltd. · 1980
- Biodegradation and recovery of gallium and other metals from integrated circuits17US 5,030,425 ATechnical Research, Inc. · 1991