B01J 23/745
Iron
B01J23/745 (Iron) appears on 1,248 US grants and 1,594 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,248
- Published applications
- 1,594
- Assignees
- 935
- Inventors
- 4,346
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 9 | 0 |
| 1978 | 10 | 0 |
| 1979 | 8 | 0 |
| 1980 | 7 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 10 | 0 |
| 1984 | 12 | 0 |
| 1985 | 13 | 0 |
| 1986 | 9 | 0 |
| 1987 | 9 | 0 |
| 1988 | 10 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 2 | 0 |
| 1997 | 11 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 12 | 5 |
| 2002 | 12 | 12 |
| 2003 | 8 | 16 |
| 2004 | 16 | 30 |
| 2005 | 11 | 34 |
| 2006 | 8 | 26 |
| 2007 | 16 | 24 |
| 2008 | 6 | 45 |
| 2009 | 14 | 60 |
| 2010 | 31 | 63 |
| 2011 | 37 | 74 |
| 2012 | 33 | 60 |
| 2013 | 46 | 54 |
| 2014 | 37 | 74 |
| 2015 | 71 | 76 |
| 2016 | 55 | 86 |
| 2017 | 64 | 71 |
| 2018 | 62 | 92 |
| 2019 | 73 | 97 |
| 2020 | 61 | 95 |
| 2021 | 87 | 101 |
| 2022 | 67 | 101 |
| 2023 | 75 | 82 |
| 2024 | 68 | 93 |
| 2025 | 57 | 69 |
| 2026 | 31 | 54 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for preparing amorphous silica-alumina encapsulated metal oxide catalyst and application thereof15 Sep 2026US 12,734,514 B2Nanjing Resources and Environment Engineering Technology Research Institute Co., Ltd.
- Water treatment and purification method25 Aug 2026US 12,715,781 B2Imam Abdulrahman Bin Faisal University
- Single-atom catalyst for use in a water splitting process and a method for preparing the same11 Aug 2026US 12,703,922 B2Technische UniversitäT Berlin
- Bifunctional catalyst and method of use for hydrogenation of carbon dioxide to hydrocarbons4 Aug 2026US 12,698,446 B2UT-Battelle, LLC
- Ammonia synthesis catalyst28 Jul 2026US 12,691,436 B2Japan Science and Technology Agency
- Catalytic materials comprising fe-containing zeolitic material for the treatment of an exhaust gas1 Oct 2026US 2026/0295569 A1
- Reactor system and method thereof for degassing sulfur1 Oct 2026US 2026/0296887 A1Fluor Technologies Corporation
- Methods for producing 1,1-difluoropropene (hfo-1252zc) from vinylidene fluoride1 Oct 2026US 2026/0296997 A1
- Method for synthesizing cyclic ketone compound from diol and ketone24 Sep 2026US 2026/0285793 A1Zhejiang Sainon Chemical Co., Ltd
- Heterogeneous catalyst composition and methods thereof17 Sep 2026US 2026/0273514 A1Copermic Catalysts, Inc.
Most cited
By later US patents
- Catalytic multi-stage process for hydroconversion and refining hydrocarbon feeds140US 6,190,542 B1Hydrocarbon Technologies, Inc. · 2001
- Catalytic process for reducing nitrogen oxides to nitrogen110US 4,085,193 ABabcock-Hitachi Kabushiki Kaisha · 1978
- Shaped particle having an asymmetrical cross sectional geometry109US 7,297,402 B2Shell Oil Company · 2007
- 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