C01G 45/10
Sulfates
C01G45/10 (Sulfates) appears on 34 US grants and 46 published applications in this corpus.
Search patents in C01G- Granted patents
- 34
- Published applications
- 46
- Assignees
- 42
- Inventors
- 127
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 2 | 0 |
| 2014 | 2 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 0 |
| 2021 | 2 | 3 |
| 2022 | 1 | 4 |
| 2023 | 0 | 10 |
| 2024 | 3 | 6 |
| 2025 | 4 | 3 |
| 2026 | 6 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for the purification of manganese sulfate solutions and subsequent crystallization of high purity manganese sulfate monohydrate14 Jul 2026US 12,679,742 B2Manganese X Energy Corp.
- 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.
- System and method for recovering constituents from batteries12 May 2026US 12,626,931 B2Environmental 360 Solutions Ltd.
- Hydrometallurgical recycling of lithium-ion battery electrodes7 Apr 2026US 12,597,651 B2Queen's University at Kingston
- Wet process for recovering valuable metals from lithium battery24 Feb 2026US 12,559,379 B2Guangdong Brunp Recycling Technology Co., Ltd.
- Production of mnso427 Aug 2026US 2026/0250148 A1Innovative Manganese Technologies SA (PTY) LTD.
- Treatment method of waste battery23 Jul 2026US 2026/0209888 A1Kemco
- Method for producing manganese sulfate solution using sulfur dioxide gas reduction leaching method16 Jul 2026US 2026/0200754 A1Kemco
- Method for recovering active metal of lithium secondary battery7 May 2026US 2026/0125776 A1SK Innovation Co., Ltd.
- A recycling method for recovery of valuable metal elements from waste battery materials23 Apr 2026US 2026/0109615 A1Gelion Technologies Pty Ltd
Most cited
By later US patents
- Manufacture of manganous sulfate solutions17US 4,489,043 AKerr-McGee Chemical Corporation · 1984
- Process of making manganous sulphate solution with low level impurity of potassium for manufacture of electrolytic manganese dioxide15US 4,285,913 AUnion Carbide Corporation · 1981
- Method of producing manganese sulfate solutions of improved purity13US 4,483,828 AKerr-McGee Chemical Corporation · 1984
- Process of producing manganese sulfate solutions13US 4,485,073 AKerr-McGee Chemical Corporation · 1984
- Process for producing crystallized metal sulfates9US 10,995,014 B1Hatch Ltd. · 2021