B01J 21/00
Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon
Official title: Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
B01J21/00 (Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon) appears on 9,768 US grants and 10,739 published applications in this corpus.
Search patents in B01J- Granted patents
- 9,768
- Published applications
- 10,739
- Assignees
- 3,370
- Inventors
- 23,158
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 96 | 0 |
| 1977 | 81 | 0 |
| 1978 | 72 | 0 |
| 1979 | 50 | 0 |
| 1980 | 68 | 0 |
| 1981 | 89 | 0 |
| 1982 | 66 | 0 |
| 1983 | 85 | 0 |
| 1984 | 76 | 0 |
| 1985 | 73 | 0 |
| 1986 | 68 | 0 |
| 1987 | 59 | 0 |
| 1988 | 47 | 0 |
| 1989 | 69 | 0 |
| 1990 | 71 | 0 |
| 1991 | 81 | 0 |
| 1992 | 112 | 0 |
| 1993 | 93 | 0 |
| 1994 | 94 | 0 |
| 1995 | 83 | 0 |
| 1996 | 64 | 0 |
| 1997 | 76 | 0 |
| 1998 | 103 | 0 |
| 1999 | 94 | 0 |
| 2000 | 136 | 0 |
| 2001 | 175 | 53 |
| 2002 | 142 | 173 |
| 2003 | 192 | 288 |
| 2004 | 177 | 289 |
| 2005 | 152 | 306 |
| 2006 | 164 | 279 |
| 2007 | 141 | 273 |
| 2008 | 148 | 291 |
| 2009 | 180 | 374 |
| 2010 | 236 | 430 |
| 2011 | 223 | 406 |
| 2012 | 230 | 476 |
| 2013 | 312 | 403 |
| 2014 | 339 | 428 |
| 2015 | 357 | 488 |
| 2016 | 399 | 442 |
| 2017 | 374 | 447 |
| 2018 | 397 | 522 |
| 2019 | 432 | 553 |
| 2020 | 450 | 575 |
| 2021 | 469 | 671 |
| 2022 | 456 | 642 |
| 2023 | 458 | 657 |
| 2024 | 471 | 529 |
| 2025 | 404 | 429 |
| 2026 | 284 | 315 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01J 21/06Silicon, titanium, zirconium or hafnium4,333
- B01J 21/02Boron or aluminium2,956
- B01J 21/18Carbon1,868
- B01J 21/12Silica and alumina1,010
- B01J 21/16Clays or other mineral silicates736
- B01J 21/10Magnesium385
- B01J 21/20Regeneration or reactivation188
- B01J 21/14Silica and magnesia132
All 9 subgroupsShow fewer
Recent patents
- Alumina support6 Oct 2026US 12,752,257 B2Kaneka Corporation
- Catalyst compositions and processes for making and using same6 Oct 2026US 12,752,258 B2ExxonMobil Chemical Patents Inc.
- Catalysts for cargen, methods of preparing, and uses of same6 Oct 2026US 12,752,259 B2Qatar Foundation for Education, Science and Community Development
- Method of producing nanostructured iron-based catalysts for converting syngas to light olefins6 Oct 2026US 12,752,262 B2Agency for Science, Technology and Research
- Thermocatalytic decomposition of methane using catalyst system design and operational parameters to control product yield and properties6 Oct 2026US 12,753,072 B2Battelle Memorial Institute
- Intermetallic catalyst complex for electrochemical device and method of manufacturing same8 Oct 2026US 2026/0307054 A1Hyundai Motor Company
- Copper silicate-based catalyst and preparation method therefor8 Oct 2026US 2026/0307055 A1LG Chem.Ltd.
- 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
- Highly dispersed metal carbonate catalysts8 Oct 2026US 2026/0307063 A1BASF SE
- Selective hydrodechlorination of liquid and gas streams from plastics pyrolysis processes8 Oct 2026US 2026/0308088 A1BASF SE
Most cited
By later US patents
- Process for converting a metal carbide to carbon by etching in halogens566US 6,579,833 B1The Board of Trustees of the University of Illinois · 2003
- Compositions that can produce polymers334US 6,300,271 B1Phillips Petroleum Company · 2001
- Organometal catalyst compositions329US 6,355,594 B1Phillips Petroleum Company · 2002
- Titania-alumina supported palladium catalyst316US 8,507,720 B2Lyondell Chemical Technology, L,P. · 2013
- Organometal compound catalyst286US 6,391,816 B1Phillips Petroleum Company · 2002