C22B 3/30
Oximes
C22B3/30 (Oximes) appears on 162 US grants and 80 published applications in this corpus.
Search patents in C22B- Granted patents
- 162
- Published applications
- 80
- Assignees
- 95
- Inventors
- 298
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 15 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 2 |
| 2002 | 3 | 3 |
| 2003 | 2 | 2 |
| 2004 | 4 | 3 |
| 2005 | 1 | 1 |
| 2006 | 1 | 3 |
| 2007 | 1 | 2 |
| 2008 | 0 | 4 |
| 2009 | 1 | 0 |
| 2010 | 1 | 2 |
| 2011 | 2 | 0 |
| 2012 | 3 | 7 |
| 2013 | 6 | 4 |
| 2014 | 1 | 1 |
| 2015 | 4 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 3 |
| 2019 | 0 | 4 |
| 2020 | 4 | 4 |
| 2021 | 1 | 5 |
| 2022 | 2 | 7 |
| 2023 | 3 | 6 |
| 2024 | 2 | 2 |
| 2025 | 8 | 9 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for recycling nickel, cobalt and manganese from feed liquid containing nickel, cobalt and manganese28 Apr 2026US 12,612,681 B2Suzhou Botree Cycling Sci & Tech Co., Ltd
- Method for lithium recovery by extraction-stripping separation and purification25 Nov 2025US 12,480,179 B2Institute of Process Engineering, Chinese Academy of Sciences
- Pad surface regeneration and metal recovery11 Nov 2025US 12,466,025 B2Chempower Corporation
- Method for recovering valuable metal3 Jun 2025US 12,319,979 B2Jx Metals Circular Solutions Co., Ltd.
- Processes and systems for purifying independent streams of manganese, nickel, and cobalt from lithium-ion battery waste streams3 Jun 2025US 12,322,770 B2Green Li-Ion Pte. Ltd.
- Process for extracting nickel from gasifier slag24 Sep 2026US 2026/0285702 A1Reliance Industries Limited
- Method for treating an electronic waste and recovering valuable metals and rare earth elements therefrom23 Jul 2026US 2026/0213292 A1Institut National De La Recherche Scientifique
- Recycling Of Nickel And/Or Lithium From Spent Cathodes Forming Battery Grade Material19 Mar 2026US 2026/0078468 A1
- Method for recovering metals19 Feb 2026US 2026/0049375 A1Jx Metals Circular Solutions Co., Ltd.
- Purified nickel solutions using successive solvent extractions5 Feb 2026US 2026/0035767 A1Ascend Elements, Inc.
Most cited
By later US patents
- Solvent extraction63US 4,507,268 AHenkel Corporation · 1985
- Metal extraction process55US 4,020,106 AImperial Chemical Industries PLC · 1977
- Method for separating metal constituents from ocean floor nodules46US 4,042,664 ADeepsea Ventures, Inc. · 1977
- Method of recovering metal from metalliferous waste37US 3,966,569 AMX Processor Reinhardt & Co. AB · 1976
- Solvent extraction process36US 4,957,714 AHenkel Corporation · 1990