B01J 23/24
Chromium, molybdenum or tungsten
B01J23/24 (Chromium, molybdenum or tungsten) appears on 2,680 US grants and 2,461 published applications in this corpus.
Search patents in B01J- Granted patents
- 2,680
- Published applications
- 2,461
- Assignees
- 1,038
- Inventors
- 6,004
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 54 | 0 |
| 1977 | 49 | 0 |
| 1978 | 50 | 0 |
| 1979 | 31 | 0 |
| 1980 | 38 | 0 |
| 1981 | 47 | 0 |
| 1982 | 32 | 0 |
| 1983 | 44 | 0 |
| 1984 | 46 | 0 |
| 1985 | 37 | 0 |
| 1986 | 27 | 0 |
| 1987 | 16 | 0 |
| 1988 | 31 | 0 |
| 1989 | 32 | 0 |
| 1990 | 29 | 0 |
| 1991 | 26 | 0 |
| 1992 | 27 | 0 |
| 1993 | 21 | 0 |
| 1994 | 26 | 0 |
| 1995 | 18 | 0 |
| 1996 | 12 | 0 |
| 1997 | 18 | 0 |
| 1998 | 33 | 0 |
| 1999 | 25 | 0 |
| 2000 | 40 | 0 |
| 2001 | 38 | 11 |
| 2002 | 38 | 50 |
| 2003 | 48 | 52 |
| 2004 | 45 | 76 |
| 2005 | 35 | 80 |
| 2006 | 51 | 66 |
| 2007 | 31 | 69 |
| 2008 | 36 | 77 |
| 2009 | 47 | 90 |
| 2010 | 61 | 116 |
| 2011 | 64 | 109 |
| 2012 | 57 | 106 |
| 2013 | 75 | 107 |
| 2014 | 93 | 103 |
| 2015 | 88 | 126 |
| 2016 | 99 | 106 |
| 2017 | 103 | 124 |
| 2018 | 89 | 136 |
| 2019 | 123 | 142 |
| 2020 | 124 | 149 |
| 2021 | 117 | 137 |
| 2022 | 120 | 120 |
| 2023 | 99 | 93 |
| 2024 | 84 | 100 |
| 2025 | 67 | 76 |
| 2026 | 39 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Plastic depolymerization using silica based catalysts22 Sep 2026US 12,742,122 B2Basell Poliolefine Italia S.r.l.
- Nitrogen oxide removing denitrification catalyst having high durability against sulfur dioxide, method for preparing the same, and method for removing nitrogen oxide using the same8 Sep 2026US 12,728,406 B2Korea Institute of Science and Technology
- Zn-metal oxide/zeolite catalyst and methods of making thereof8 Sep 2026US 12,728,410 B2The Regents of the University of California
- Ammonia manufacturing apparatus and ammonia manufacturing method1 Sep 2026US 12,723,315 B2Kabushiki Kaisha Toshiba
- Method for producing (meth)acrolein and method for producing (meth)acrylic acid25 Aug 2026US 12,715,833 B2Mitsubishi Chemical Corporation
- Belly Blade Mounted to Center of Mower Equipment17 Sep 2026US 2026/0275210 A1
- Catalysts for oxidative dehydrogenation10 Sep 2026US 2026/0264055 A1NOVA Chemicals (International) S.A.
- Molybdenum phosphide single crystal with controlled crystal facet and manufacturing method thereof10 Sep 2026US 2026/0265952 A1Sungshin Women's University R&Db Foundation
- Isomerization and disproportionation catalyst composition3 Sep 2026US 2026/0257203 A1Shell Oil Company
- Catalyst and process for the dehydrogenation of alkanes to olefins27 Aug 2026US 2026/0249274 A1Dow Global Technologies LLC
Most cited
By later US patents
- Chromium expanded smectite clay149US 4,452,910 AStandard Oil Company (Indiana) · 1984
- Method for manufacturing 1,1,1,2,3-pentafluoropropene 1,1,1,2,3-pentafluoropropane145US 5,679,875 ADaikin Industries, Ltd. · 1997
- Rigid porous carbon structures, methods of making, methods of using and products containing same143US 6,099,965 AHyperion Catalysis International, Inc. · 2000
- Catalytic growth of single-wall carbon nanotubes from metal particles132US 6,692,717 B1William Marsh Rice University · 2004
- Method for producing an unsaturated carboxylic acid121US 5,380,933 AMitsubishi Kasei Corporation · 1995