B01J 23/881
And iron
Official title: and iron
B01J23/881 (And iron) appears on 151 US grants and 136 published applications in this corpus.
Search patents in B01J- Granted patents
- 151
- Published applications
- 136
- Assignees
- 126
- Inventors
- 533
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 8 | 1 |
| 2002 | 2 | 2 |
| 2003 | 2 | 1 |
| 2004 | 2 | 4 |
| 2005 | 2 | 4 |
| 2006 | 2 | 3 |
| 2007 | 4 | 4 |
| 2008 | 0 | 7 |
| 2009 | 1 | 5 |
| 2010 | 3 | 9 |
| 2011 | 5 | 10 |
| 2012 | 2 | 6 |
| 2013 | 6 | 5 |
| 2014 | 4 | 10 |
| 2015 | 9 | 9 |
| 2016 | 5 | 2 |
| 2017 | 7 | 8 |
| 2018 | 7 | 9 |
| 2019 | 4 | 7 |
| 2020 | 8 | 4 |
| 2021 | 8 | 4 |
| 2022 | 5 | 7 |
| 2023 | 2 | 4 |
| 2024 | 4 | 7 |
| 2025 | 2 | 2 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Molybdenum-vanadium-iron- and/or molybdenum-vanadium-aluminium-based oxidative dehydrogenation catalyst materials18 Aug 2026US 12,708,893 B2NOVA Chemicals (International) S.A.
- Molybdenum-vanadium-iron- and/or molybdenum-vanadium-aluminium-based oxidative dehydrogenation catalyst materials18 Aug 2026US 12,708,894 B2NOVA Chemicals (International) S.A.
- Hierarchically ordered crystalline microporous materials with long-range mesoporous order having cubic symmetry5 May 2026US 12,616,965 B2King Abdullah University of Science and Technology
- Supported composite oxide catalyst and preparation and use thereof24 Mar 2026US 12,582,969 B2Shanghai Huayi New Material Co., Ltd
- Method for producing isobutylene, method for producing methacrylic acid, and method for producing methyl methacrylate10 Mar 2026US 12,570,598 B2Mitsubishi Chemical Corporation
- Methods for use of hierarchically ordered crystalline microporous materials with long-range mesoporous order16 Jul 2026US 2026/0199883 A1King Abdullah University of Science and Technology
- Hierarchically ordered crystalline microporous materials with long-range mesoporous order having cubic symmetry1 Jan 2026US 2026/0001064 A1King Abdullah University of Science and Technology
- Catalyst for naphtha maximization and method for preparing thereof28 Aug 2025US 2025/0269358 A1Hindustan Petroleum Corporation Limited
- Heterogeneous catalyst based on molybdenum oxide and its use in biomass transformation processes15 May 2025US 2025/0153150 A1Instituto Mexicano Del Petroleo
- Ethylbenzene dehydrogenation catalyst, preparation method therefor, and use thereof5 Dec 2024US 2024/0399341 A1China Petroleum & Chemical Corporation
Most cited
By later US patents
- Catalytic multi-stage process for hydroconversion and refining hydrocarbon feeds140US 6,190,542 B1Hydrocarbon Technologies, Inc. · 2001
- Catalytic growth of single-wall carbon nanotubes from metal particles132US 6,692,717 B1William Marsh Rice University · 2004
- Fibril aggregates and method for making same105US 5,456,897 AHyperlon Catalysis Int'l., Inc. · 1995
- Iron-based ionic liquid catalysts for hydroprocessing carbonaceous feeds94US 6,139,723 AHydrocarbon Technologies, Inc. · 2000
- Catalytic growth of single- and double-wall carbon nanotubes from metal particles79US 7,125,534 B1William Marsh Rice University · 2006