C01G 5/003
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}
C01G5/003 (Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange) appears on 68 US grants and 3 published applications in this corpus.
Search patents in C01G- Granted patents
- 68
- Published applications
- 3
- Assignees
- 51
- Inventors
- 121
- Latest grant
- 24 Apr 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 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 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Sulfonated aminomethylated chelate resins24 Apr 2018US 9,950,320 B2LANXESS Deutschland GmbH
- Decontamination of radioactive metals2 Aug 2011US 7,988,937 B1
- Ammonium thiosulfate complex of gold or silver and an amine6 Mar 2001US 6,197,214 B1Henkel Corporation
- Process for the recovery of precious metal values from aqueous ammoniacal thiosulfate leach solutions17 Aug 1999US 5,939,034 AHenkel Corporation
- Silver recovery device and process25 Feb 1997US 5,605,632 AAgfa-Gevaert
- Co-deposition products, composite materials and processes for the production thereof18 Jun 2020US 2020/0187497 A1Exciton Pharma Corp.
- Sulfonated aminomethylated chelate resins3 Aug 2017US 2017/0216833 A1LANXESS Deutschland GmbH
- Preparation of ag18f and its use in the synthesis of pet radiotracers3 Nov 2016US 2016/0317682 A1The Regents Ofthe University of Michigan
Most cited
By later US patents
- Silver removal with halogen impregnated activated carbon65US 4,394,354 ACalgon Carbon Corporation · 1983
- Removal of heavy metals from waste water61US 4,731,187 AMiyoshi Yushi Kabushiki Kaisha · 1988
- Recovery of precious metals from a thiourea leach61US 4,778,519 A1988
- Removal of complexed heavy metals from waste effluents41US 4,332,687 APCA International, Inc. · 1982
- Silver and manganese recovery using acidified thiourea38US 4,816,235 A1989