C01G 51/10
Sulfates
C01G51/10 (Sulfates) appears on 33 US grants and 51 published applications in this corpus.
Search patents in C01G- Granted patents
- 33
- Published applications
- 51
- Assignees
- 40
- Inventors
- 141
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 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 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 3 |
| 2016 | 3 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 2 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 2 |
| 2022 | 0 | 4 |
| 2023 | 2 | 14 |
| 2024 | 3 | 9 |
| 2025 | 5 | 4 |
| 2026 | 6 | 8 |
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 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.
- Production method for cobalt sulfate26 May 2026US 12,637,361 B2Sumitomo Metal Mining Co., 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.
- 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 preparing high-purity mixed nickel and cobalt sulphate7 May 2026US 2026/0125279 A1iGo, Inc.
- 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
- Recovery of nickel and cobalt by controlled sulfuric acid leaching26US 4,541,868 ACalifornia Nickel Corporation · 1985
- Process for producing crystallized metal sulfates9US 10,995,014 B1Hatch Ltd. · 2021
- Removal of dissolved cadmium and copper from sulphate solution with hydrogen sulfide7US 4,405,570 ASherritt Gordon Mines Limited · 1983
- Ammonia storage for on-vehicle engine5US 7,640,896 B2GM Global Technology Operations LLC · 2010
- Process for nickel removal from concentrated aqueous cobaltous sulfate solutions4US 4,320,099 AInco Limited · 1982