C01G 3/003
Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
Official title: {Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange}
C01G3/003 (Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange) appears on 171 US grants and 34 published applications in this corpus.
Search patents in C01G- Granted patents
- 171
- Published applications
- 34
- Assignees
- 88
- Inventors
- 269
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 19 | 0 |
| 1978 | 14 | 0 |
| 1979 | 4 | 0 |
| 1980 | 12 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 14 | 0 |
| 1986 | 9 | 0 |
| 1987 | 9 | 0 |
| 1988 | 7 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 2 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 2 |
| 2019 | 2 | 1 |
| 2020 | 0 | 2 |
| 2021 | 3 | 3 |
| 2022 | 1 | 2 |
| 2023 | 3 | 5 |
| 2024 | 4 | 3 |
| 2025 | 5 | 4 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Purification process for the preparation of non-carrier added copper-6429 Sep 2026US 12,749,589 B2Curium US LLC
- Purification process for the preparation of non-carrier added copper-648 Sep 2026US 12,731,702 B2Curium US LLC
- Copper-64 compositions and formulations25 Aug 2026US 12,718,963 B1Curium US LLC
- Purification process for the preparation of non-carrier added copper-6414 Apr 2026US 12,603,190 B2Curium US LLC
- Purification process for the preparation of non-carrier added copper-644 Nov 2025US 12,462,943 B2Curium US LLC
- Purification process for the preparation of non-carrier added copper-6417 Sep 2026US 2026/0279612 A1Curium US LLC
- Purification process for the preparation of non-carrier added copper-6430 Jul 2026US 2026/0221304 A1Curium US LLC
- Process for leaching metal sulfides with reagents having thiocarbonyl functional groups16 Apr 2026US 2026/0103775 A1Jetti Resources, LLC
- Purification process for the preparation of non-carrier added copper-6412 Mar 2026US 2026/0074083 A1Curium US LLC
- Purification process for the preparation of non-carrier added copper-6412 Mar 2026US 2026/0074084 A1Curium US LLC
Most cited
By later US patents
- Solvent extraction63US 4,507,268 AHenkel Corporation · 1985
- Removal of heavy metals from waste water61US 4,731,187 AMiyoshi Yushi Kabushiki Kaisha · 1988
- Membrane hydro-metallurgical extraction process60US 3,957,504 AAllied Chemical Corporation · 1976
- Metal extraction process55US 4,020,106 AImperial Chemical Industries PLC · 1977
- Method for separating metal constituents from ocean floor nodules46US 4,042,664 ADeepsea Ventures, Inc. · 1977