C01G 3/10
Sulfates
C01G3/10 (Sulfates) appears on 64 US grants and 54 published applications in this corpus.
Search patents in C01G- Granted patents
- 64
- Published applications
- 54
- Assignees
- 52
- Inventors
- 137
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 3 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 3 |
| 2018 | 1 | 4 |
| 2019 | 3 | 3 |
| 2020 | 9 | 15 |
| 2021 | 4 | 3 |
| 2022 | 3 | 1 |
| 2023 | 2 | 3 |
| 2024 | 7 | 7 |
| 2025 | 3 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Binder for an agglomeration process8 Sep 2026US 12,729,161 B2Mintek
- Process for leaching metal sulfides with reagents having thiocarbonyl functional groups16 Sep 2025US 12,416,066 B2Jetti Resources, LLC
- Processes for crystallizing metal sulfates and methods for producing crystallized metal sulfates22 Apr 2025US 12,281,027 B2
- Method of manufacturing copper sulfate electrolyte11 Feb 2025US 12,221,716 B2Korea Zinc Co., Ltd.
- Process for preparation of copper compounds3 Sep 2024US 12,075,783 B2Upl Ltd
- Processes and methods for production of crystallized metal sulfates16 Apr 2026US 2026/0103396 A1Hatch Ltd.
- Process for leaching metal sulfides with reagents having thiocarbonyl functional groups16 Apr 2026US 2026/0103775 A1Jetti Resources, LLC
- Method for recovering precursor metal for secondary cell cathode material using synergistic solvent extraction applied with extractant degradation preventing technology28 Aug 2025US 2025/0270672 A1Cis Chemical Co., Ltd.
- Preparation method for iron phosphate and preparation method for lithium iron phosphate13 Feb 2025US 2025/0051165 A1Hubei Yuhao High-Tech New Material Co., Ltd.
- Method for producing high purity copper sulfate from spent acidic copper chloride etching solution17 Oct 2024US 2024/0343599 A1Dongjiang Environmental Company Limited
Most cited
By later US patents
- Oxidation-leaching of chalcopyrite28US 3,962,402 AFreeport Minerals Corporation · 1976
- Method for producing copper sulfate from waste copper-containing liquid21US 5,059,403 ACompeq Manufacturing Company Limited · 1991
- Method of producing cuprous sulfate and bisulfate solutions20US 3,961,028 AAnumin Pty. Ltd. · 1976
- Slimes treatment process12US 4,047,939 ANoranda Mines Limited · 1977
- Transition metal hydroxy-anion electrode materials for lithium-ion battery cathodes10US 9,590,247 B2Arizona Board of Regents, A Body Corporate of the State of Arizona Acting for and On Behalf of Arizona State University · 2017