B01J 23/38
Catalysts comprising metals or metal oxides or hydroxides, not provided for in
Official title: of noble metals
B01J23/38 (Catalysts comprising metals or metal oxides or hydroxides, not provided for in) appears on 9,077 US grants and 9,314 published applications in this corpus.
Search patents in B01J- Granted patents
- 9,077
- Published applications
- 9,314
- Assignees
- 2,676
- Inventors
- 19,027
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 156 | 0 |
| 1977 | 124 | 0 |
| 1978 | 124 | 0 |
| 1979 | 105 | 0 |
| 1980 | 126 | 0 |
| 1981 | 96 | 0 |
| 1982 | 92 | 0 |
| 1983 | 102 | 0 |
| 1984 | 87 | 0 |
| 1985 | 101 | 0 |
| 1986 | 53 | 0 |
| 1987 | 66 | 0 |
| 1988 | 74 | 0 |
| 1989 | 65 | 0 |
| 1990 | 84 | 0 |
| 1991 | 97 | 0 |
| 1992 | 87 | 0 |
| 1993 | 85 | 0 |
| 1994 | 79 | 0 |
| 1995 | 76 | 0 |
| 1996 | 94 | 0 |
| 1997 | 94 | 0 |
| 1998 | 111 | 0 |
| 1999 | 138 | 0 |
| 2000 | 149 | 0 |
| 2001 | 140 | 67 |
| 2002 | 181 | 216 |
| 2003 | 173 | 280 |
| 2004 | 167 | 343 |
| 2005 | 142 | 291 |
| 2006 | 165 | 302 |
| 2007 | 162 | 348 |
| 2008 | 141 | 333 |
| 2009 | 203 | 412 |
| 2010 | 294 | 419 |
| 2011 | 271 | 369 |
| 2012 | 247 | 382 |
| 2013 | 312 | 381 |
| 2014 | 297 | 407 |
| 2015 | 345 | 399 |
| 2016 | 354 | 396 |
| 2017 | 344 | 392 |
| 2018 | 305 | 416 |
| 2019 | 349 | 401 |
| 2020 | 370 | 462 |
| 2021 | 327 | 453 |
| 2022 | 314 | 455 |
| 2023 | 290 | 438 |
| 2024 | 292 | 415 |
| 2025 | 265 | 307 |
| 2026 | 162 | 230 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for adjusting grouting parameters in preparation of ceramic composite fiber-based catalytic filter tube, and method and device for preparing ceramic composite fiber-based catalytic filter tube6 Oct 2026US 12,752,223 B2Zhejiang Zhiyuan Environmental Technology Co., Ltd
- Exhaust gas purification catalyst6 Oct 2026US 12,752,237 B2Cataler Corporation
- Catalyst compositions and processes for making and using same6 Oct 2026US 12,752,258 B2ExxonMobil Chemical Patents Inc.
- Process for the production of trifluoroethylene6 Oct 2026US 12,753,134 B2Arkema France
- Catalytic hydrogenation of fluoroolefins, alpha-alumina supported palladium compositions and their use as hydrogenation catalysts6 Oct 2026US 12,753,136 B2The Chemours Company Fc, LLC
- Exhaust purification device8 Oct 2026US 2026/0307009 A1Mazda Motor Corporation
- System for treating an exhaust gas8 Oct 2026US 2026/0307052 A1Johnson Matthey Public Limited Company
- Photocatalytic c-c coupling reactions of terminal alkynes using cupric oxide-based mie resonator photocatalysts8 Oct 2026US 2026/0307053 A1
- Intermetallic catalyst complex for electrochemical device and method of manufacturing same8 Oct 2026US 2026/0307054 A1Hyundai Motor Company
- Oxygen reduction catalyst and use thereof8 Oct 2026US 2026/0307067 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Process for the sensitization of an oxidation/reduction photocatalyst, and photocatalyst thus obtained420US 4,684,537 AR. E. Stiftung · 1987
- Titania-alumina supported palladium catalyst316US 8,507,720 B2Lyondell Chemical Technology, L,P. · 2013
- Utilization of energy obtained by substoichiometric combustion of low heating value gases296US 4,299,086 AGulf Research & Development Company · 1981
- Platinum group metal alloy catalysts for hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters247US 5,149,680 AThe British Petroleum Company p.l.c. · 1992
- Aiming beam system for optical data reading device237US 5,296,689 ASpectra-Physics Scanning Systems, Inc. · 1994