B01J 23/6527
Tungsten
Official title: {Tungsten}
B01J23/6527 (Tungsten) appears on 264 US grants and 306 published applications in this corpus.
Search patents in B01J- Granted patents
- 264
- Published applications
- 306
- Assignees
- 193
- Inventors
- 803
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 3 |
| 2003 | 7 | 15 |
| 2004 | 7 | 12 |
| 2005 | 5 | 17 |
| 2006 | 4 | 8 |
| 2007 | 5 | 10 |
| 2008 | 8 | 11 |
| 2009 | 10 | 12 |
| 2010 | 15 | 15 |
| 2011 | 8 | 15 |
| 2012 | 12 | 21 |
| 2013 | 7 | 20 |
| 2014 | 16 | 25 |
| 2015 | 14 | 10 |
| 2016 | 18 | 21 |
| 2017 | 16 | 20 |
| 2018 | 8 | 11 |
| 2019 | 15 | 9 |
| 2020 | 10 | 18 |
| 2021 | 8 | 6 |
| 2022 | 10 | 8 |
| 2023 | 6 | 6 |
| 2024 | 4 | 3 |
| 2025 | 2 | 6 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Processes for producing an ether13 Jan 2026US 12,522,551 B2Dow Global Technologies LLC
- Hydrogen oxidation catalysts for hydrogen-internal combustion engine systems13 Jan 2026US 12,523,169 B2BASF Mobile Emissions Catalysts LLC
- Method for producing a catalyst system for gas reactions1 Jul 2025US 12,343,795 B2Heraeus Deutschland GmbH & Co. KG
- Hydrocracking catalysts and uses thereof20 May 2025US 12,305,126 B2University of Delaware
- Method for producing alcohol24 Dec 2024US 12,172,949 B2Daicel Corporation
- Composite catalyst for hydrogen selective catalytic reduction, method of removing nitrogen oxides using the same, and air purification device including composite catalyst9 Jul 2026US 2026/0192248 A1Samsung Electronics Co., Ltd.
- Catalyst system for a flow reactor, and method for the catalytic oxidation of ammonia2 Jul 2026US 2026/0183751 A1Heraeus Precious Metals GmbH & Co. KG
- Dehydration catalysts for acrolein production from glycerol and methods for forming the same18 Jun 2026US 2026/0166525 A1Trillium Renewable Chemicals
- Dehydration catalysts for acrolein production from glycerol and methods for forming the same28 May 2026US 2026/0145162 A1Trillium Renewable Chemicals
- Method for producing hydroxycarboxylic acid ester9 Oct 2025US 2025/0312779 A1Daicel Corporation
Most cited
By later US patents
- Supported polyoxometalates and process for their preparation67US 7,417,008 B2ExxonMobil Chemical Patents Inc. · 2008
- Tunable catalyst gas phase hydrogenation of carboxylic acids62US 8,309,772 B2Celanese International Corporation · 2012
- Catalytic destruction of organohalogen compounds51US 5,176,897 AAllied-Signal Inc. · 1993
- Catalyst for destruction of organohalogen compounds47US 5,292,704 AAllied-Signal Inc. · 1994
- Isomerization catalyst and processes46US 6,818,589 B1Uop LLC · 2004