C01G 1/10
Sulfates
C01G1/10 (Sulfates) appears on 16 US grants and 16 published applications in this corpus.
Search patents in C01G- Granted patents
- 16
- Published applications
- 16
- Assignees
- 18
- Inventors
- 48
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 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 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 2 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 3 |
| 2024 | 1 | 1 |
| 2025 | 2 | 0 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for recovering active metal of lithium secondary battery10 Feb 2026US 12,545,974 B2SK Innovation Co., Ltd.
- Treatment process for crystallizing a metal sulfate14 Oct 2025US 12,441,621 B2Hatch Ltd.
- Processes for crystallizing metal sulfates and methods for producing crystallized metal sulfates22 Apr 2025US 12,281,027 B2
- Process and method for producing crystallized metal sulfates6 Aug 2024US 12,054,401 B2Hatch Ltd.
- Processes and systems for regenerating alkali process streams26 Apr 2022US 11,312,636 B2Graymont Western US Inc.
- Method for recovering active metal of lithium secondary battery7 May 2026US 2026/0125776 A1SK Innovation Co., Ltd.
- Processes and methods for production of crystallized metal sulfates16 Apr 2026US 2026/0103396 A1Hatch Ltd.
- Treatment process for crystallizing a metal sulfate12 Mar 2026US 2026/0070803 A1Hatch Ltd.
- Process and method for producing crystallized metal sulfates12 Dec 2024US 2024/0409432 A1Hatch Ltd.
- Method for recovering active metal of lithium secondary battery10 Aug 2023US 2023/0250507 A1SK Innovation Co., Ltd.
Most cited
By later US patents
- Process for producing crystallized metal sulfates9US 10,995,014 B1Hatch Ltd. · 2021
- Leaching of metal sulphides8US 4,192,851 ASherritt Gordon Mines Limited · 1980
- Process for the treatment of raw materials containing arsenic and metal6US 4,220,627 AOutokumpu Oy · 1980
- Hydrometallurgical method for treating valuable metal raw materials containing chlorides and fluorides6US 4,698,139 AOutokumpu Oy · 1987
- Manufacture of microglobules3US 4,011,289 AReactor Centrum Nederland · 1977