B01J 23/94
Of catalysts comprising metals, oxides or hydroxides of the iron group metals
Official title: of catalysts comprising metals, oxides or hydroxides of the iron group metals or copper
B01J23/94 (Of catalysts comprising metals, oxides or hydroxides of the iron group metals) appears on 408 US grants and 370 published applications in this corpus.
Search patents in B01J- Granted patents
- 408
- Published applications
- 370
- Assignees
- 289
- Inventors
- 1,173
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 10 | 0 |
| 1978 | 9 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 9 | 0 |
| 1982 | 9 | 0 |
| 1983 | 8 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 8 | 1 |
| 2002 | 7 | 10 |
| 2003 | 7 | 13 |
| 2004 | 12 | 16 |
| 2005 | 13 | 10 |
| 2006 | 7 | 6 |
| 2007 | 5 | 8 |
| 2008 | 6 | 11 |
| 2009 | 4 | 12 |
| 2010 | 8 | 13 |
| 2011 | 9 | 22 |
| 2012 | 7 | 14 |
| 2013 | 14 | 19 |
| 2014 | 22 | 17 |
| 2015 | 10 | 18 |
| 2016 | 19 | 17 |
| 2017 | 11 | 22 |
| 2018 | 20 | 18 |
| 2019 | 13 | 16 |
| 2020 | 11 | 9 |
| 2021 | 11 | 11 |
| 2022 | 10 | 25 |
| 2023 | 6 | 12 |
| 2024 | 14 | 18 |
| 2025 | 12 | 20 |
| 2026 | 11 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dual reactor system for simultaneous decontamination and cracking of plastic derived oil to circular chemicals22 Sep 2026US 12,742,125 B2Saudi Arabian Oil Company
- Dual reactor system with dual catalyst regeneration for upgrading plastic derived oil to hydrocarbon intermediates25 Aug 2026US 12,716,033 B2Saudi Arabian Oil Company
- Nitro compound hydrogenation reaction process and hydrogenation reaction apparatus28 Jul 2026US 12,692,219 B2China Petroleum & Chemical Corporation
- Dehydrogenation catalyst for producing olefins from alkane gas and preparation method thereof2 Jun 2026US 12,643,091 B2Korea Research Institute of Chemical Technology
- Method of remanufacturing spent catalyst for heavy oil desulfurization19 May 2026US 12,629,668 B2Hanseo University Academic Cooperation Foundation
- Coral-reef-like bifunctional catalyst for biomass gasification to produce green hydrogen with simultaneous decarbonization, and preparation method and application thereof8 Oct 2026US 2026/0307057 A1Southeast University
- Method of passivating a fischer-tropsch catalyst20 Aug 2026US 2026/0241377 A1Johnson Matthey Davy Technologies Limited
- Deep dechlorination of plastic derived oil using spray dried mixed metal oxide catalyst30 Jul 2026US 2026/0218062 A1Saudi Arabian Oil Company
- Method for producing diamine containing cyclohexane ring23 Jul 2026US 2026/0209168 A1Mitsubishi Gas Chemical Company, Inc.
- Methods for forming light olefins with catalyst recycle9 Jul 2026US 2026/0193157 A1Dow Global Technologies LLC
Most cited
By later US patents
- Process for preparing a large pore hydroprocessing catalyst76US 6,030,915 AAkzo Nobel N. V. · 2000
- External catalyst rejuvenation system for the hydrocarbon synthesis process64US 5,260,239 AExxon Research & Engineering Co. · 1993
- Hydrotreating catalyst: composition, preparation, and use thereof58US 6,280,610 B1Akzo Nobel N. V. · 2001
- Rejuvenation of hydrocarbon synthesis catalyst47US 5,283,216 AExxon Research & Engineering Co. · 1994
- Regeneration of Fischer-Tropsch catalysts by using synthesis gas at a low flow rate44US 6,022,755 ADen Norske Stats Oljeselskap A.S. · 2000