C01B 17/033
Using a liquid extractant
Official title: using a liquid extractant
C01B17/033 (Using a liquid extractant) appears on 24 US grants and 15 published applications in this corpus.
Search patents in C01B- Granted patents
- 24
- Published applications
- 15
- Assignees
- 17
- Inventors
- 34
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 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 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 2 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Gasification or liquefaction of coal using a metal reactant alloy composition4 Mar 2025US 12,241,132 B2
- Gasification or liquefaction of coal using a metal reactant alloy composition14 Jun 2022US 11,359,253 B2Elemental Recycling, Inc.
- Method for recovering gold from activated carbon27 Aug 2019US 10,392,679 B2JX Nippon Mining & Metals Corporation
- Gasification or liquefaction of coal using a metal reactant alloy composition11 Jun 2019US 10,316,375 B2
- Gasification or liquefaction of coal using a metal reactant alloy composition22 Dec 2015US 9,216,905 B2
- Gasification or Liquefaction of Coal Using a Metal Reactant Alloy Composition19 Jun 2025US 2025/0197955 A1
- Gasification or Liquefaction of Coal Using a Metal Reactant Alloy Composition8 Sep 2022US 2022/0282345 A1Elemental Recycling, Inc.
- Recovery of metals from pyrite27 May 2021US 2021/0156003 A1Cobalt Blue Holdings Ltd
- Gasification or Liquefaction of Coal Using a Metal Reactant Alloy Composition19 Sep 2019US 2019/0284651 A1Elemental Recycling, Inc.
- Method for recovering gold from activated carbon14 Dec 2017US 2017/0356066 A1JX Nippon Mining & Metals Corporation
Most cited
By later US patents
- Separation of solvent from liquid sulfur23US 4,111,805 APhillips Petroleum Company · 1978
- Allyl thiourea polymers10US 4,902,765 AAmerican Cyanamid Company · 1990
- Hydrocarbon based sulfur solvent systems and methods10US 7,988,767 B2Fluor Technologies Corporation · 2011
- Stabilized sulfur dissolving compositions9US 5,028,343 AAtochem North America, Inc. · 1991
- Separation of hydrogen sulfide from gaseous and non-aqueous liquid streams8US 4,526,774 AStandard Oil Company (Indiana) · 1985