C01G 9/003
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}
C01G9/003 (Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange) appears on 73 US grants and 11 published applications in this corpus.
Search patents in C01G- Granted patents
- 73
- Published applications
- 11
- Assignees
- 46
- Inventors
- 136
- Latest grant
- 15 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 7 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 7 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 9 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 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 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 3 | 4 |
| 2022 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Method of inhibiting extractant degradation by controlling extractive capacity and preventing direct degradation15 Mar 2022US 11,274,047 B2Korea Resources Corporation
- Method for inhibiting extractant degradation of DSX process through metal extraction control22 Feb 2022US 11,254,584 B2Korea Resources Corporation
- Method for producing hexagonal plate-shaped zinc oxide21 Dec 2021US 11,203,530 B2Sakai Chemical Industry Co., Ltd.
- Method for inhibiting extractant degradation of DSX process through manganese extraction control21 Dec 2021US 11,203,531 B2Korea Resources Corporation
- Method for inhibiting extractant degradation by diluent and extractant input method9 Nov 2021US 11,168,003 B2Korea Resources Corporation
- Electroluminescent element, display, method for manufacturing electroluminescent element, and liquid composition23 Jun 2022US 2022/0195300 A1Sharp Kabushiki Kaisha
- Separation of Radiometals21 Apr 2022US 2022/0118379 A1Massachusetts Institute of Technology
- Method for inhibiting extractant degradation of dsx process through manganese extraction control28 Jan 2021US 2021/0024366 A1Korea Resources Corporation
- Method for inhibiting extractant degradation of dsx process through metal extraction control28 Jan 2021US 2021/0024367 A1Korea Resources Corporation
- Method for inhibiting extractant degradation by diluent and extractant input method28 Jan 2021US 2021/0024368 A1Korea Resources Corporation
Most cited
By later US patents
- Removal of heavy metals from waste water61US 4,731,187 AMiyoshi Yushi Kabushiki Kaisha · 1988
- Method of recovering metal from metalliferous waste37US 3,966,569 AMX Processor Reinhardt & Co. AB · 1976
- Removal of metals from solutions37US 4,747,954 AThe Dow Chemical Company · 1988
- Method for the solvent extraction of zinc36US 5,135,652 ACominco Ltd. · 1992
- Hydrometallurgical process for producing zinc oxide33US 5,441,712 ABHP Minerals International Inc. · 1995