C22B 3/404
Of organic acids and oximes
Official title: {of organic acids and oximes}
C22B3/404 (Of organic acids and oximes) appears on 22 US grants and 13 published applications in this corpus.
Search patents in C22B- Granted patents
- 22
- Published applications
- 13
- Assignees
- 20
- Inventors
- 40
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 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 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 2 | 4 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 2 | 1 |
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
- Process for producing high purity aluminum materials31 Mar 2026US 12,590,008 B2HiurA Pty Ltd
- Method of inhibiting degradation of DSX extractant by auxiliary means14 Jun 2022US 11,359,258 B2Korea Resources Corporation
- Method of inhibiting degradation of extractant by anhydrous environment avoiding and metal stripping14 Jun 2022US 11,359,260 B2Korea Resources Corporation
- Method for inhibiting extractant degradation of DSX process through manganese extraction control21 Dec 2021US 11,203,531 B2Korea Resources Corporation
- Process for producing high purity aluminium materials13 Aug 2026US 2026/0234015 A1HiPurA Pty Ltd
- Method for recovering precursor metal for secondary cell cathode material using synergistic solvent extraction applied with extractant degradation preventing technology28 Aug 2025US 2025/0270672 A1Cis Chemical Co., Ltd.
- Process for producing high purity aluminium materials3 Oct 2024US 2024/0327233 A1HiPurA Pty Ltd
- Method for recycling nickel, cobalt and manganese from feed liquid containing nickel, cobalt and manganese19 Oct 2023US 2023/0332269 A1Suzhou Botree Cycling Sci & Tech Co., Ltd
- Method of inhibiting degradation of dsx extractant by auxiliary means4 Mar 2021US 2021/0062293 A1Korea Resources Corporation
Most cited
By later US patents
- Solvent extraction of metals from acidic solutions with quaternary ammonium salts of hydrogen ion exchange agents31US 4,058,585 AGeneral Mills Chemicals, Inc. · 1977
- Process for extracting and recovering copper31US 6,177,055 B1Henkel Corporation · 2001
- Method and apparatus for extraction and recovery of ions from solutions17US 5,868,935 ANew Jersey Institute of Technology · 1999
- Cyclic process using A.C. for selective recovery of metals from materials containing same16US 4,039,404 AKennecott Copper Corporation · 1977
- Compositions useful in process for extraction of metal values from acidic solutions13US 4,128,493 AGeneral Mills Chemicals, Inc. · 1978