C22B 23/026
From spent catalysts
Official title: {from spent catalysts}
C22B23/026 (From spent catalysts) appears on 58 US grants and 46 published applications in this corpus.
Search patents in C22B- Granted patents
- 58
- Published applications
- 46
- Assignees
- 49
- Inventors
- 145
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 0 | 2 |
| 2003 | 3 | 0 |
| 2004 | 3 | 3 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 4 |
| 2009 | 2 | 9 |
| 2010 | 5 | 4 |
| 2011 | 5 | 5 |
| 2012 | 4 | 6 |
| 2013 | 2 | 3 |
| 2014 | 5 | 2 |
| 2015 | 3 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Recovery of nickel and cobalt from Li-ion batteries or their waste16 Sep 2025US 12,416,065 B2Umicore AG & Co. KG
- Energy-efficient pyrometallurgical process for treating Li-ion batteries1 Jul 2025US 12,344,917 B2Umicore AG & Co. KG
- Recovery of nickel and cobalt from Li-ion batteries or their waste30 May 2023US 11,661,638 B2Umicore AG & Co. KG
- Process for separating and recovering metals7 Nov 2017US 9,809,870 B2Chevron U.S.A.Inc.
- Method of metals recovery from refinery residues1 Mar 2016US 9,273,377 B2Intevep, S. A.
- Reclamation of metal from coked catalyst27 Feb 2025US 2025/0066201 A1The Johns Hopkins University
- Energy-efficient pyrometallurgical process for treating li-ion batteries1 Aug 2024US 2024/0258597 A1Umicore AG & Co. KG
- Recovery of nickel and cobalt from Li-ion batteries or their waste10 Aug 2023US 2023/0250511 A1Umicore AG & Co. KG
- Method and system for separating cathode material of waste lithium secondary battery using oxidation reaction of anode material and reduction reaction of cathode material8 Jun 2023US 2023/0178722 A1Al Tree Co., Ltd.
- Recovery of nickel and cobalt from Li-ion batteries or their waste22 Dec 2022US 2022/0403483 A1Umicore AG & Co. KG
Most cited
By later US patents
- Metal recovery from hydroconverted heavy effluent32US 8,636,967 B2Intevep, S. A. · 2014
- Recovery of metal values from spent catalysts30US 4,721,606 AUnion Oil Company of California · 1988
- Process for separating and recovering base metals from used hydroprocessing catalyst26US 7,837,960 B2Chevron U.S.A.Inc. · 2010
- Leaching cobalt from spent hydroprocessing catalysts with sulfur dioxide23US 4,432,953 AChevron Research Company · 1984
- Recovering metals from spent hydroprocessing catalysts23US 4,500,495 AChevron Research Company · 1985