B01J 23/847
Vanadium, niobium or tantalum or polonium
Official title: Vanadium, niobium or tantalum {or polonium}
B01J23/847 (Vanadium, niobium or tantalum or polonium) appears on 285 US grants and 285 published applications in this corpus.
Search patents in B01J- Granted patents
- 285
- Published applications
- 285
- Assignees
- 226
- Inventors
- 984
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 11 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 7 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 2 |
| 2002 | 5 | 2 |
| 2003 | 2 | 7 |
| 2004 | 5 | 12 |
| 2005 | 3 | 6 |
| 2006 | 3 | 5 |
| 2007 | 3 | 14 |
| 2008 | 1 | 9 |
| 2009 | 8 | 8 |
| 2010 | 11 | 18 |
| 2011 | 4 | 8 |
| 2012 | 6 | 7 |
| 2013 | 11 | 13 |
| 2014 | 4 | 10 |
| 2015 | 7 | 18 |
| 2016 | 9 | 12 |
| 2017 | 12 | 16 |
| 2018 | 12 | 12 |
| 2019 | 11 | 11 |
| 2020 | 9 | 14 |
| 2021 | 11 | 12 |
| 2022 | 13 | 12 |
| 2023 | 14 | 19 |
| 2024 | 10 | 18 |
| 2025 | 8 | 13 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Modified copper-zinc catalysts and methods for alcohol production from carbon dioxide16 Jun 2026US 12,654,157 B2Air Company Holdings, Inc.
- Photo catalytic device for continuous process for co-conversion of CO2+H2O to C1-oxygenates in sunlight19 May 2026US 12,629,661 B2Council of Scientific and Industrial Research An Indian Registered Body Incorporated Under the Regn. of Soc. Act (Act Xxi of 1860)
- Solid heat carrier catalyst for thermal desorption of organic matter-contaminated soil and method for preparing same14 Apr 2026US 12,599,896 B2Nanjing Gekof Institute of Environmental Protection Technology & Equipment Co., Ltd.
- Bundle-type carbon nanotubes and method for preparing the same13 Jan 2026US 12,522,502 B2LG Chem.Ltd.
- Ammonia oxidation catalyst device16 Sep 2025US 12,415,178 B2Cataler Corporation
- Catalyst for the production of carbon nanotubes and the production method thereof3 Sep 2026US 2026/0257202 A1LG Chem.Ltd.
- Supported Catalyst for Manufacturing Carbon Nanotubes, Carbon Nanotubes, and Manufacturing Method Thereof30 Jul 2026US 2026/0216705 A1SK Innovations Co., Ltd.
- Process for coupling propane dehydrogenation and co2 capture-in situ conversion23 Jul 2026US 2026/0209146 A1Tianjin University
- High-density carbon nanotube composition, method for preparing the same, and carbon nanotube dispersion and positive electrode slurry composition including the same18 Jun 2026US 2026/0167495 A1LG Chem.Ltd.
- Tantalum catalyst composition and method of using the same30 Apr 2026US 2026/0115700 A1Battelle Memorial Institute
Most cited
By later US patents
- Process for hydrocracking heavy hydrocarbon oils and catalyst therefor70US 4,440,631 AChiyoda Chemical Engineering & Construction Co., Ltd. · 1984
- Process for manufacturing alcohols, particularly linear saturated primary alcohols, from synthesis gas59US 4,122,110 AInstitut Francais du Petrole · 1978
- Catalysts for demetallization treatment of _hydrocarbons supported on sepiolite50US 4,196,102 AChiyoda Chemical Engineering & Construction Co., Ltd. · 1980
- Self-regenerating diesel exhaust particulate filter and material50US 6,013,599 ARedem Corporation · 2000
- Process for preparing catalyst with copper or zinc and with chromium, molybdenum, tungsten, or vanadium, and product thereof48US 5,134,108 AEngelhard Corporation · 1992