C25C 1/14
Electrolytic production, recovery or refining of metals by electrolysis of solutions: of
Official title: of tin
C25C1/14 (Electrolytic production, recovery or refining of metals by electrolysis of solutions: of) appears on 34 US grants and 33 published applications in this corpus.
Search patents in C25C- Granted patents
- 34
- Published applications
- 33
- Assignees
- 33
- Inventors
- 110
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 2 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 2 |
| 2018 | 0 | 1 |
| 2019 | 2 | 5 |
| 2020 | 0 | 3 |
| 2021 | 4 | 4 |
| 2022 | 1 | 0 |
| 2023 | 2 | 2 |
| 2024 | 2 | 2 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sulfonate electroplating bath, process for refining metal by electrolytic depositing and process for controlling metal morphology in electrolytic refining30 Dec 2025US 12,509,789 B2BASF SE
- Continuous process for sustainable production of hydrogen19 Aug 2025US 12,391,547 B2University of Surrey
- Oxidation-resistant metallic tin29 Oct 2024US 12,129,529 B2JX Advanced Metals Corporation
- Metal and tin alloy having low alpha-ray emission, and method for producing same4 Jun 2024US 12,000,020 B2Mitsubishi Materials Corporation
- Method for manufacturing high purity tin, electrowinning apparatus for high purity tin and high purity tin7 Feb 2023US 11,572,632 B2JX Nippon Mining & Metals Corporation
- Recovery and recycle of a corrosion inhibitor for industrial water treatment5 Feb 2026US 2026/0035275 A1Chemtreat, Inc.
- Process and apparatus for reducing stannic oxide into metallic tin5 Feb 2026US 2026/0035820 A1
- Electrochemical device and system for metal recovery16 Oct 2025US 2025/0320621 A1PowerTech Water, Inc.
- Electrochemical metallurgical process for extracting metals and sulfur from metallic sulfides3 Oct 2024US 2024/0328022 A1Kunming University of Science and Technology
- Sulfonate electroplating bath, process for refining metal by electrolytic depositing and process for controlling metal morphology in electrolytic refining29 Aug 2024US 2024/0287696 A1BASF SE
Most cited
By later US patents
- Electrolytic method for regenerating tin or tin-lead alloy stripping compositions38US 4,944,851 AMacDermid, Incorporated · 1990
- Electrolytic process for the production of tin and tin products26US 4,330,377 AVulcan Materials Company · 1982
- Process for the recovery of tin, tin alloys or lead alloys from printed circuit boards13US 6,641,712 B1Alpha Fry Limited · 2003
- Metal refining process using mixed electrolyte10US 8,992,759 B1Honeywell International Inc. · 2015
- Electrodeposition recovery method for metals in polymer chelates9US 4,857,159 AThe Standard Oil Company · 1989