C01G 27/003
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}
C01G27/003 (Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange) appears on 11 US grants and 6 published applications in this corpus.
Search patents in C01G- Granted patents
- 11
- Published applications
- 6
- Assignees
- 11
- Inventors
- 36
- Latest grant
- 3 Nov 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 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 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Tributyl phosphate-nitrate solvent extraction process for producing high purity nuclear grade rare earth metal oxides3 Nov 2015US 9,174,855 B2The Secretary, Department of Atomic Energy, Government of India
- Process for separating zirconium and hafnium tetrachlorides from mixtures14 Apr 2015US 9,005,556 B2Centre National De La Recherche Scientifique
- Process for the separation and purification of hafnium and zirconium4 May 2010US 7,708,962 B2Compagnie Europeenne du Zirconium Cezus
- Solvent prestripping in a Zr/Hf separation liquid-liquid extraction (LLX) circuit21 Jul 1992US 5,132,016 AWestinghouse Electric Corp.
- Recovery of hafnium values from loaded extraction solvent10 Oct 1989US 4,873,072 AWestinghouse Electric Corp.
- Method of extracting and separating zirconium and hafnium from hydrochloric acid medium23 Jan 2020US 2020/0024151 A1
- Tributyl phosphate-nitrate solvent extraction process for producing high purity nuclear grade rare earth metal oxides3 Oct 2013US 2013/0259777 A1The Secretary, Department of Atomic Energy, Govt. of India
- Process for separating zirconium and hafnium tetrachlorides from mixtures11 Jul 2013US 2013/0177488 A1Centre National de la Recherche Scientique
- Method for separating zirconium and hafnium23 Jul 2009US 2009/0185965 A1
- Process for the Separation and Purification of Hafnium and Zirconium7 May 2009US 2009/0117018 A9Compagnie Europeenne du Zirconium Cezus
Most cited
By later US patents
- Composite porous material, process for production and separation of metallic element47US 4,732,887 AAsahi Kasei Kogyo Kabushiki Kaisha · 1988
- Process for preventing the extraction of technetium and/or rhenium, particularly during the extraction of uranium and/or plutonium by an organic solvent11US 4,764,352 ACommissariat A L' Energie Atomique · 1988
- Separation of zirconium from hafnium by solvent extraction4US 4,231,994 AThe United States of America as represented by the Secretary of the Interior · 1980
- Removal of 3-mercapto-4-methyl-2-pentanone from zirconium/hafnium separation processes2US 4,202,862 ATeledyne Industries, Inc. · 1980
- Process for separation of zirconium from hafnium2US 4,578,165 AWestinghouse Electric Corp. · 1986