B01J 2523/84
Metals of the iron group
B01J2523/84 (Metals of the iron group) appears on 140 US grants and 219 published applications in this corpus.
Search patents in B01J- Granted patents
- 140
- Published applications
- 219
- Assignees
- 160
- Inventors
- 680
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 4 |
| 2010 | 0 | 2 |
| 2011 | 3 | 2 |
| 2012 | 1 | 0 |
| 2013 | 2 | 0 |
| 2014 | 1 | 2 |
| 2015 | 1 | 2 |
| 2016 | 3 | 6 |
| 2017 | 4 | 3 |
| 2018 | 6 | 30 |
| 2019 | 10 | 60 |
| 2020 | 28 | 22 |
| 2021 | 35 | 14 |
| 2022 | 18 | 9 |
| 2023 | 10 | 7 |
| 2024 | 8 | 17 |
| 2025 | 3 | 19 |
| 2026 | 6 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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.
- Production of acrolein or acrylic acid from iso-propanol with high yeild and low cost14 Jul 2026US 12,679,795 B2Rohm and Haas Company
- Method for preparing polyether amine catalyst, and polyether amine14 Jul 2026US 12,679,931 B2Shangyu Huangma Surface Activated Reagent Research Institute Co., Ltd.
- Method of preparing FeMnCeOx biomaterial and method of treating antibiotic wastewater7 Jul 2026US 12,673,885 B2Qingdao University of Technology
- Shaped metal oxides (perovskites) and process for preparation thereof8 Oct 2026US 2026/0307060 A1Council of Scientific and Industrial Research
- Method for converting orthohydrogen to parahydrogen10 Sep 2026US 2026/0265050 A1
- Catalytic process using ammonia as hydrogen source for carbon dioxide conversion13 Aug 2026US 2026/0233183 A1Agency for Science, Technology and Research
- High-entropy ruthenium oxides as efficient oxygen evolution reaction catalysts6 Aug 2026US 2026/0225080 A1Toyota Jidosha Kabushiki Kaisha
- Ethylene production method, carbon dioxide reduction electrode, and carbon dioxide reduction apparatus6 Aug 2026US 2026/0226632 A1Sumitomo Chemical Company, Limited
Most cited
By later US patents
- Process for the transformation of vanadium/phosphorus mixed oxide catalyst precursors into active catalysts for the production of maleic anhydride41US 5,137,860 AMonsanto Company · 1992
- Process for charging a reactor with a fixed catalyst bed which comprises at least annular shaped catalyst bodies K11US 8,517,180 B2BASF SE · 2013
- Cluster supported catalyst and method for producing same8US 11,014,073 B2Genesis Research Institute, Inc. · 2021
- Pre calcination additives for mixed metal oxide ammoxidation catalysts7US 8,835,666 B2Ineos USA LLC · 2014
- Exhaust gas purifying catalyst5US 8,999,878 B2Toyota Jidosha Kabushiki Kaisha · 2015