B01J 23/8877
Vanadium, tantalum, niobium or polonium
Official title: {Vanadium, tantalum, niobium or polonium}
B01J23/8877 (Vanadium, tantalum, niobium or polonium) appears on 241 US grants and 159 published applications in this corpus.
Search patents in B01J- Granted patents
- 241
- Published applications
- 159
- Assignees
- 113
- Inventors
- 516
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 7 | 0 |
| 1978 | 7 | 0 |
| 1979 | 10 | 0 |
| 1980 | 6 | 0 |
| 1981 | 9 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 2 |
| 2002 | 7 | 4 |
| 2003 | 5 | 11 |
| 2004 | 6 | 17 |
| 2005 | 5 | 16 |
| 2006 | 11 | 6 |
| 2007 | 5 | 6 |
| 2008 | 8 | 1 |
| 2009 | 6 | 10 |
| 2010 | 12 | 4 |
| 2011 | 3 | 7 |
| 2012 | 4 | 4 |
| 2013 | 4 | 4 |
| 2014 | 4 | 8 |
| 2015 | 5 | 9 |
| 2016 | 7 | 6 |
| 2017 | 4 | 3 |
| 2018 | 6 | 6 |
| 2019 | 6 | 5 |
| 2020 | 4 | 4 |
| 2021 | 3 | 4 |
| 2022 | 4 | 8 |
| 2023 | 7 | 4 |
| 2024 | 2 | 7 |
| 2025 | 3 | 3 |
| 2026 | 6 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing a core-shell catalyst15 Sep 2026US 12,734,515 B2BASF SE
- Molybdenum-vanadium-iron- and/or molybdenum-vanadium-aluminium-based oxidative dehydrogenation catalyst materials18 Aug 2026US 12,708,893 B2NOVA Chemicals (International) S.A.
- Molybdenum-vanadium-iron- and/or molybdenum-vanadium-aluminium-based oxidative dehydrogenation catalyst materials18 Aug 2026US 12,708,894 B2NOVA Chemicals (International) S.A.
- Method for producing acrylic acid18 Aug 2026US 12,709,591 B2Nippon Shokubai Co., Ltd.
- Method for producing hydrocyanic acid and device for producing hydrocyanic acid9 Jun 2026US 12,649,667 B1Mitsubishi Chemical Corporation
- Catalyst for the production of carbon nanotubes and the production method thereof19 Jun 2025US 2025/0196111 A1LG Chem.Ltd.
- Catalyst for producing (meth)acrylic acid, and method for producing catalyst for producing (meth)acrylic acid19 Jun 2025US 2025/0196112 A1LG Chem.Ltd.
- Improved catalyst for mwcnt production19 Jun 2025US 2025/0197223 A1Nanocyl S.A.
- Catalyst ceramic candle filter for combined particulate removal and the selective catalytic reduction (scr) of nitrogen-oxides26 Dec 2024US 2024/0426234 A1Topsoe A/S
- Molybdenum-vanadium-iron- and/or molybdenum-vanadium-aluminium-based oxidative dehydrogenation catalyst materials22 Aug 2024US 2024/0278219 A1NOVA Chemicals (International) S.A.
Most cited
By later US patents
- Process for oxydehydrogenation of ethane to ethylene99US 4,524,236 AUnion Carbide Corporation · 1985
- Preparation of a catalyst consisting of a carrier and a catalytically active oxide material applied to the surface of the carrier63US 5,677,261 ABASF SE · 1997
- Oxidation process for the production of alkenes and carboxylic acids56US 6,727,380 B2BP Chemicals Limited · 2004
- Process for preparing a supported catalyst for the oxydehydrogenation of ethane to ethylene55US 4,596,787 AUnion Carbide Corporation · 1986
- Process for producing unsaturated aldehydes and unsaturated carboxylic acids54US 4,035,418 AMitsubishi Rayon Co., Ltd. · 1977