C01G 7/003
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}
C01G7/003 (Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange) appears on 81 US grants and 12 published applications in this corpus.
Search patents in C01G- Granted patents
- 81
- Published applications
- 12
- Assignees
- 58
- Inventors
- 130
- Latest grant
- 13 Jul 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 9 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 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 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 2 |
| 2018 | 3 | 1 |
| 2019 | 1 | 3 |
| 2020 | 1 | 2 |
| 2021 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Application of substances containing AuCs in preparing medicine for preventing and treating Alzheimer's disease13 Jul 2021US 11,058,717 B2Shenzhen Profound-View Pharma Tech Co., Ltd
- Substances containing AuCs and preparation method and use thereof11 May 2021US 11,000,543 B2Shenzhen Profound-View Pharma Tech Co., Ltd
- Substances containing AuCs and preparation method and use thereof4 Aug 2020US 10,729,718 B2Shenzhen Profound-View Pharma Tech Co., Ltd
- Activated carbon regeneration method and gold recovery method28 May 2019US 10,301,180 B2JX Nippon Mining & Metals Corporation
- Recovery of gold from solution4 Dec 2018US 10,144,989 B2Outotec (Finland) Oy
- Substances Containing AuCs and Preparation Method and Use Thereof22 Jul 2021US 2021/0220394 A1Shenzhen Profound-View Pharma Tech Co., Ltd
- Application of Substances Containing AuCs in Preparing Medicine for Preventing and Treating Alzheimer's Disease22 Jul 2021US 2021/0220395 A1Shenzhen Profound-View Pharma Tech Co., Ltd
- Substances Containing AuCs and Preparation Method and Use Thereof18 Jun 2020US 2020/0188428 A9Shenzhen Profound-View Pharma Tech Co., Ltd
- Substances Containing AuCs and Preparation Method and Use Thereof13 Feb 2020US 2020/0048105 A1Shenzhen Profound-View Pharma Tech Co., Ltd
- Substances Containing AuCs and Preparation Method and Use Thereof24 Oct 2019US 2019/0321396 A1Shenzhen Profound-View Pharma Tech Co., Ltd
Most cited
By later US patents
- Process for the recovery of gold from refractory ores by pressure oxidation70US 4,552,589 AGetty Oil Company · 1985
- 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
- Gold recovery process51US 4,578,163 AHomestake Mining Company · 1986
- Recovery of gold from aqueous solutions51US 4,913,730 ACanadian Patents and Development Limited · 1990