C22B 3/364
Quinoline
Official title: {Quinoline}
C22B3/364 (Quinoline) appears on 62 US grants and 9 published applications in this corpus.
Search patents in C22B- Granted patents
- 62
- Published applications
- 9
- Assignees
- 38
- Inventors
- 89
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 9 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 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 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 4 |
| 2013 | 4 | 2 |
| 2014 | 0 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Pad surface regeneration and metal recovery11 Nov 2025US 12,466,025 B2Chempower Corporation
- Compositions and methods of using a ketoxime in a metal solvent extraction reagent24 Mar 2015US 8,986,633 B2BASF SE
- Methods of metal extraction using oximes3 Feb 2015US 8,945,490 B2BASF SE
- Compositions and methods of using a ketoxime in a metal solvent10 Sep 2013US 8,529,850 B2Cognis IP Management GmbH
- Metal solvent extraction reagents and use thereof2 Jul 2013US 8,475,748 B2Cognis IP Management GmbH
- Methods and systems for the separation of metal ions from an aqueous feed25 May 2023US 2023/0158457 A1NEXT-ChemX Corporation
- Pad surface regeneration and metal recovery10 Nov 2022US 2022/0355439 A1Chempower Corporation
- Compositions And Methods Of Using A Ketoxime In A Metal Solvent Extraction Reagent14 Nov 2013US 2013/0302225 A1Cognis IP Management GmbH
- Methods Of Metal Extraction Using Oximes26 Sep 2013US 2013/0247718 A1Cognis IP Management GmbH
- Metal Solvent Extraction Reagents And Use Thereof30 Aug 2012US 2012/0219474 A1Cognis IP Management GmbH
Most cited
By later US patents
- Method for separating metal constituents from ocean floor nodules46US 4,042,664 ADeepsea Ventures, Inc. · 1977
- Microencapsulated chelating agents and their use in removing metal ions from aqueous solutions43US 4,500,494 AStauffer Chemical Company · 1985
- Method of recovering metal from metalliferous waste37US 3,966,569 AMX Processor Reinhardt & Co. AB · 1976
- Process for liquid/liquid extraction of gallium31US 3,971,843 ARhone-Poulenc Industries · 1976
- Copper recovery by leaching and ion exchange28US 4,069,119 AContinental Oil Company · 1978