B01J 23/648
Vanadium, niobium or tantalum or polonium
Official title: Vanadium, niobium or tantalum {or polonium}
B01J23/648 (Vanadium, niobium or tantalum or polonium) appears on 225 US grants and 248 published applications in this corpus.
Search patents in B01J- Granted patents
- 225
- Published applications
- 248
- Assignees
- 197
- Inventors
- 795
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 11 | 0 |
| 2001 | 0 | 1 |
| 2002 | 4 | 2 |
| 2003 | 5 | 5 |
| 2004 | 3 | 10 |
| 2005 | 0 | 11 |
| 2006 | 3 | 10 |
| 2007 | 6 | 7 |
| 2008 | 7 | 11 |
| 2009 | 3 | 3 |
| 2010 | 8 | 12 |
| 2011 | 4 | 7 |
| 2012 | 4 | 7 |
| 2013 | 2 | 15 |
| 2014 | 9 | 13 |
| 2015 | 13 | 14 |
| 2016 | 13 | 15 |
| 2017 | 15 | 16 |
| 2018 | 15 | 16 |
| 2019 | 8 | 8 |
| 2020 | 13 | 10 |
| 2021 | 10 | 10 |
| 2022 | 7 | 10 |
| 2023 | 4 | 15 |
| 2024 | 8 | 9 |
| 2025 | 5 | 8 |
| 2026 | 4 | 3 |
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
- 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)
- Hydrocarbon production system, and production method and operation method thereof19 May 2026US 12,630,488 B2Osaka Gas Co., Ltd.
- Processes for producing an ether13 Jan 2026US 12,522,551 B2Dow Global Technologies LLC
- Multifunctional catalyst for hydrocarbon oxidation and selective catalytic reduction of NOx25 Mar 2025US 12,257,573 B2BASF Mobile Emissions Catalysts LLC
- Ammonia synthesis catalyst and ammonia synthesis method16 Jul 2026US 2026/0200745 A1Eneos Corporation
- Plant and process for the production of hydrogen and/or methanol15 Jan 2026US 2026/0015232 A1Whydron S.R.L.
- Hydrodeoxygenation catalyst and preparation method thereof1 Jan 2026US 2026/0001060 A1The Boeing Company
- High entropy boride-platinum group metal alloys and uses thereof25 Dec 2025US 2025/0388999 A1The Research Foundation for SUNY
- Methods of making light olefins that include modifying catalysts4 Dec 2025US 2025/0368901 A1Dow Global Technologies LLC
Most cited
By later US patents
- Catalyst for purification of exhaust gases of diesel engines and method of use112US 5,157,007 ADegussa AG · 1992
- Catalyst compromising a mixed sulphide and its use for hydrorefining and hydroconverting hydrocarbons62US 6,149,799 AInstitut Francais du Petrole · 2000
- Catalytic destruction of organohalogen compounds51US 5,176,897 AAllied-Signal Inc. · 1993
- Exhaust gas cleaner48US 5,075,274 ARiken · 1991
- Catalyst for destruction of organohalogen compounds47US 5,292,704 AAllied-Signal Inc. · 1994