B01J 23/468
Iridium
Official title: {Iridium}
B01J23/468 (Iridium) appears on 219 US grants and 272 published applications in this corpus.
Search patents in B01J- Granted patents
- 219
- Published applications
- 272
- Assignees
- 220
- Inventors
- 956
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 7 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 6 |
| 2002 | 2 | 3 |
| 2003 | 7 | 2 |
| 2004 | 2 | 8 |
| 2005 | 1 | 10 |
| 2006 | 3 | 7 |
| 2007 | 6 | 7 |
| 2008 | 1 | 7 |
| 2009 | 5 | 6 |
| 2010 | 6 | 5 |
| 2011 | 6 | 5 |
| 2012 | 2 | 18 |
| 2013 | 8 | 15 |
| 2014 | 5 | 18 |
| 2015 | 10 | 9 |
| 2016 | 12 | 17 |
| 2017 | 9 | 13 |
| 2018 | 12 | 10 |
| 2019 | 13 | 16 |
| 2020 | 11 | 20 |
| 2021 | 12 | 16 |
| 2022 | 9 | 12 |
| 2023 | 10 | 9 |
| 2024 | 2 | 17 |
| 2025 | 13 | 10 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrogen storage based on aqueous formate- bicarbonate (hydrogen carbonate) equilibrium9 Jun 2026US 12,649,654 B2Hydrogen Revolution Hungary Kft.
- Methane combustion catalyst, method for producing the same and method for purifying combustion exhaust gas20 Jan 2026US 12,528,075 B2Tanaka Kikinzoku Kogyo K.K.
- Hydrogen oxidation catalysts for hydrogen-internal combustion engine systems13 Jan 2026US 12,523,169 B2BASF Mobile Emissions Catalysts LLC
- Enantioselective process30 Dec 2025US 12,509,417 B2Syngenta Crop Protection AG
- Molecular sieve confined noble metal catalyst for CO-SCR denitrification, preparation method and application thereof23 Dec 2025US 12,502,657 B1Institute of Process Engineering, Chinese Academy of Sciences
- Catalysts including boronic, metal hydroxide, or metal oxide active-site groups30 Jul 2026US 2026/0216715 A11s1 Energy, Inc.
- Catalyst metal particle and catalyst2 Jul 2026US 2026/0183750 A1National University Corporation Hokkaido University
- Tantalum and nitrogen co-doped strontium titanate with perovskite structure and preparation method and application thereof4 Jun 2026US 2026/0151758 A1Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Method for preparing heptafluoroisobutyronitrile by gas-phase catalysis26 Mar 2026US 2026/0085035 A1Sinochem Lantian Co., Ltd.
- Metal catalyst and method for hydrogenolysis of cyclic compound using same19 Mar 2026US 2026/0077338 A1Chiyoda Corporation
Most cited
By later US patents
- Polymetallic cluster compositions useful as hydrocarbon conversion catalysts50US 3,953,368 AExxon Research & Engineering Co. · 1976
- Process for manufacturing olefinic hydrocarbons with respectively two and three carbon atoms per molecule43US 4,137,147 AInstitut Francais du Petrole · 1979
- Process for the catalytic partial oxidation of hydrocarbons35US 5,639,401 AShell Oil Company · 1997
- Preparation of colloidal dispersions of ruthenium, rhodium, osmium and iridium by the polymer-catalyzed decomposition of carbonyl cluster compounds thereof33US 4,252,678 AXerox Corporation · 1981
- Ternary alloy fuel cell catalysts and phosphoric acid fuel cell containing the catalysts32US 5,013,618 AInternational Fuel Cells Corporation · 1991