C01B 19/001
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}
C01B19/001 (Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange) appears on 17 US grants and 3 published applications in this corpus.
Search patents in C01B- Granted patents
- 17
- Published applications
- 3
- Assignees
- 12
- Inventors
- 46
- Latest grant
- 2 Dec 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 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 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Separation of tellurium by solvent extraction method2 Dec 2014US 8,900,543 B2Korea Institute of Science and Technology
- Inclusion free cadmium zinc tellurium and cadmium tellurium crystals and associated growth method20 Jul 2010US 7,758,843 B1U. S. Department of Energy
- Removal of selenium from aqueous media23 Nov 1993US 5,264,133 AShell Oil Company
- Process for treatment of selenium-bearing materials9 Nov 1982US 4,358,430 AInco Limited
- Removal of selenium (IV) and (VI) from acidic copper sulphate solutions18 May 1982US 4,330,508 ASherritt Gordon Mines Limited
- Electroluminescent element, display, method for manufacturing electroluminescent element, and liquid composition23 Jun 2022US 2022/0195300 A1Sharp Kabushiki Kaisha
- Separation method of tellurium and selenium, and preparation method of tellurium using the same4 Jun 2015US 2015/0151966 A1Korea Institute of Science and Technology
- Separation of tellurium by solvent extraction method24 Apr 2014US 2014/0112860 A1Korea Institute of Science and Technology
Most cited
By later US patents
- Recovery of selenium24US 4,163,046 AThe International Nickel Company, Inc. · 1979
- Process for the recovery of metal values from anode slimes18US 4,229,270 AThe International Nickel Company, Inc. · 1980
- Removal of selenium from aqueous media17US 5,264,133 AShell Oil Company · 1993
- Hydrometallurgical process for recovering precious metals from anode slime14US 4,293,332 AInstitute of Nuclear Energy Research · 1981
- Process for the recovery of selenium from urethanes containing selenium or compounds thereof12US 4,055,630 AAtlantic Richfield Company · 1977