C01G 53/10
Sulfates
C01G53/10 (Sulfates) appears on 73 US grants and 110 published applications in this corpus.
Search patents in C01G- Granted patents
- 73
- Published applications
- 110
- Assignees
- 68
- Inventors
- 256
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 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 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 2 | 2 |
| 2016 | 0 | 0 |
| 2017 | 3 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 3 |
| 2020 | 8 | 10 |
| 2021 | 3 | 5 |
| 2022 | 1 | 7 |
| 2023 | 2 | 20 |
| 2024 | 13 | 28 |
| 2025 | 15 | 14 |
| 2026 | 12 | 12 |
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
- Methods for preparing cathode active material precursor material and cathode active material for lithium secondary battery, and cathode active material for lithium secondary battery prepared according to same14 Jul 2026US 12,683,207 B2Dongwoo Fine-Chem Co., Ltd.
- Methods for manufacturing positive electrode active material precursor material and positive electrode active material for secondary lithium battery, and positive electrode active material for secondary lithium battery manufactured thereby7 Jul 2026US 12,676,349 B2Dongwoo Fine-Chem Co., Ltd.
- Process for manufacturing nickel sulphate16 Jun 2026US 12,655,034 B2Solvay SA
- Process for preparing battery grade metal sulphate solutions26 May 2026US 12,637,362 B2Metal Trade Overseas AG
- Method for refining nickel sulfate at normal pressure and nickel extractant used therein1 Oct 2026US 2026/0296915 A1Walsin Lihwa Corporation
- Treatment method of waste battery23 Jul 2026US 2026/0209888 A1Kemco
- Method for the optimisation of feed for downstream processing16 Jul 2026US 2026/0201502 A1iGo, Inc.
- Method for recovering nickel hydroxide and nickel sulfate from nickel-containing materials7 May 2026US 2026/0125278 A1Korea Institute of Geoscience and Mineral Resources
- Method for preparing high-purity mixed nickel and cobalt sulphate7 May 2026US 2026/0125279 A1iGo, Inc.
Most cited
By later US patents
- Recovery of nickel and cobalt by controlled sulfuric acid leaching26US 4,541,868 ACalifornia Nickel Corporation · 1985
- Process for recovering components from pickling acid residue18US 10,526,684 B2CrisolteQ Ltd · 2020
- Method for treating pickling acid residue17US 11,254,585 B2CrisolteQ Ltd · 2022
- Process for concurrent steam generation and metal recovery16US 4,524,049 AZimpro Inc. · 1985
- Process for producing crystallized metal sulfates9US 10,995,014 B1Hatch Ltd. · 2021