B01J 23/00
Catalysts comprising metals or metal oxides or hydroxides, not provided for in
Official title: Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 (B01J21/16 takes precedence)
B01J23/00 (Catalysts comprising metals or metal oxides or hydroxides, not provided for in) appears on 22,161 US grants and 20,011 published applications in this corpus.
Search patents in B01J- Granted patents
- 22,161
- Published applications
- 20,011
- Assignees
- 5,135
- Inventors
- 38,897
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 487 | 0 |
| 1977 | 441 | 0 |
| 1978 | 405 | 0 |
| 1979 | 301 | 0 |
| 1980 | 327 | 0 |
| 1981 | 343 | 0 |
| 1982 | 276 | 0 |
| 1983 | 330 | 0 |
| 1984 | 348 | 0 |
| 1985 | 349 | 0 |
| 1986 | 227 | 0 |
| 1987 | 226 | 0 |
| 1988 | 251 | 0 |
| 1989 | 268 | 0 |
| 1990 | 249 | 0 |
| 1991 | 278 | 0 |
| 1992 | 293 | 0 |
| 1993 | 272 | 0 |
| 1994 | 233 | 0 |
| 1995 | 211 | 0 |
| 1996 | 231 | 0 |
| 1997 | 242 | 0 |
| 1998 | 300 | 0 |
| 1999 | 320 | 0 |
| 2000 | 365 | 0 |
| 2001 | 345 | 143 |
| 2002 | 377 | 459 |
| 2003 | 389 | 558 |
| 2004 | 389 | 701 |
| 2005 | 316 | 606 |
| 2006 | 358 | 575 |
| 2007 | 335 | 654 |
| 2008 | 325 | 680 |
| 2009 | 409 | 801 |
| 2010 | 583 | 893 |
| 2011 | 524 | 814 |
| 2012 | 496 | 799 |
| 2013 | 631 | 787 |
| 2014 | 646 | 836 |
| 2015 | 738 | 886 |
| 2016 | 728 | 894 |
| 2017 | 747 | 867 |
| 2018 | 763 | 925 |
| 2019 | 799 | 933 |
| 2020 | 774 | 983 |
| 2021 | 748 | 990 |
| 2022 | 720 | 1008 |
| 2023 | 688 | 966 |
| 2024 | 677 | 899 |
| 2025 | 640 | 788 |
| 2026 | 443 | 566 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01J 23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in10,660
- B01J 23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in9,077
- B01J 23/16Catalysts comprising metals or metal oxides or hydroxides, not provided for in4,355
- B01J 23/002Mixed oxides other than spinels2,629
- B01J 23/10Catalysts comprising metals or metal oxides or hydroxides, not provided for in1,611
- B01J 23/02Catalysts comprising metals or metal oxides or hydroxides, not provided for in1,148
- B01J 23/90Regeneration or reactivation1,095
- B01J 23/06Catalysts comprising metals or metal oxides or hydroxides, not provided for in665
All 13 subgroupsShow fewer
- B01J 23/005Spinels472
- B01J 23/14Catalysts comprising metals or metal oxides or hydroxides, not provided for in386
- B01J 23/007Mixed salts258
- B01J 23/08Catalysts comprising metals or metal oxides or hydroxides, not provided for in224
- B01J 23/12Catalysts comprising metals or metal oxides or hydroxides, not provided for in41
Recent patents
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- 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
- Copper silicate-based catalyst and preparation method therefor8 Oct 2026US 2026/0307055 A1LG Chem.Ltd.
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
- Rhenium catalyst composition399US 4,048,110 ACelanese Corporation · 1977
- 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
- Conversion of synthesis gas to diesel fuel and gasoline292US 4,605,680 AChevron Research Company · 1986