C22B 3/402
Of acyclic or carbocyclic compounds of different types
Official title: {of acyclic or carbocyclic compounds of different types}
C22B3/402 (Of acyclic or carbocyclic compounds of different types) appears on 97 US grants and 44 published applications in this corpus.
Search patents in C22B- Granted patents
- 97
- Published applications
- 44
- Assignees
- 76
- Inventors
- 225
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 7 | 0 |
| 1982 | 9 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 3 |
| 2013 | 1 | 0 |
| 2014 | 1 | 3 |
| 2015 | 4 | 5 |
| 2016 | 4 | 4 |
| 2017 | 1 | 1 |
| 2018 | 5 | 3 |
| 2019 | 3 | 1 |
| 2020 | 0 | 0 |
| 2021 | 3 | 4 |
| 2022 | 2 | 5 |
| 2023 | 0 | 2 |
| 2024 | 1 | 2 |
| 2025 | 2 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Extraction system, extraction method for separating magnesium and extracting lithium and boron from magnesium-containing brine with complex solvent of secondary amide/alkyl alcohol as well as applications thereof26 Aug 2025US 12,398,046 B2Xiangtan University
- Diglycolamide derivatives for separation and recovery of rare earth elements from aqueous solutions26 Aug 2025US 12,398,444 B2UT-Battelle, LLC
- Use of synergistic mixture of extractants for extracting rare earth elements from an aqueous medium comprising phosphoric acid16 Jul 2024US 12,037,660 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Process for producing high purity aluminium materials13 Aug 2026US 2026/0234015 A1HiPurA Pty Ltd
- Process for liquid-liquid extraction of rare earths or actinides via synergistic combination of a co-solvent hydrotrope with anionic or chelating extractants11 Jun 2026US 2026/0159407 A1Centre National De La Recherche Scientifique
- Positive electrode active material using spent battery leachate for secondary battery and method of preparing same9 Oct 2025US 2025/0313917 A1Hanwha Corporation
- 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
Most cited
By later US patents
- Recovering zinc from a material containing zinc and iron32US 4,124,462 AMX-Processer Reinhardt & Co. AB · 1978
- Selective extraction and recovery of copper32US 4,272,492 A1981
- 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
- Nickel extraction process30US 5,470,552 AHenkel Corporation · 1995