C01G 17/003
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}
C01G17/003 (Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange) appears on 16 US grants and 2 published applications in this corpus.
Search patents in C01G- Granted patents
- 16
- Published applications
- 2
- Assignees
- 11
- Inventors
- 37
- Latest grant
- 19 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 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 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for the manufacture of highly purified 68Ge material for radiopharmaceutical purposes19 Apr 2022US 11,306,003 B2ITM Isotope Technologies Munich SE
- Method to produce high purity germane from germanium dioxide or impure germanium compounds17 Aug 2021US 11,091,374 B1Ge Solartech, LLC
- Method for producing high purity germane by a continuous or semi-continuous process3 Nov 2015US 9,174,853 B2Gelest Technologies, Inc.
- Process for recovering germanium11 Jan 1994US 5,277,882 AN. V. Union Miniere S.A.
- Electric-field emulsion-breaking device1 Jan 1991US 4,981,569 AMetallgesellschaft Aktiengesellschaft
Most cited
By later US patents
- Process for selective liquid-liquid extraction of germanium9US 4,389,379 ASociete Miniere et Metallurgique de Penarroya · 1983
- Process for separating germanium from an aqueous solution9US 4,432,951 AMetallurgie Hoboken-Overpelt · 1984
- Process for the fluid-fluid extraction of gallium, germanium or indium from liquid solutions8US 4,666,686 APreussag Aktiengesellschaft Metall · 1987
- Process for separating germanium from an aqueous solution by means of an alphahydroxyoxime7US 4,432,952 AMetallurgie Hoboken-Overpelt · 1984
- Process for selectively recovering Ge and as from aqueous solutions7US 4,775,479 AMetallgesellschaft Aktiengesellschaft · 1988