B01J 27/195
With vanadium, niobium or tantalum
Official title: with vanadium, niobium or tantalum
B01J27/195 (With vanadium, niobium or tantalum) appears on 682 US grants and 332 published applications in this corpus.
Search patents in B01J- Granted patents
- 682
- Published applications
- 332
- Assignees
- 215
- Inventors
- 1,106
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 17 | 0 |
| 1978 | 24 | 0 |
| 1979 | 26 | 0 |
| 1980 | 11 | 0 |
| 1981 | 25 | 0 |
| 1982 | 27 | 0 |
| 1983 | 25 | 0 |
| 1984 | 15 | 0 |
| 1985 | 20 | 0 |
| 1986 | 15 | 0 |
| 1987 | 16 | 0 |
| 1988 | 12 | 0 |
| 1989 | 32 | 0 |
| 1990 | 8 | 0 |
| 1991 | 9 | 0 |
| 1992 | 24 | 0 |
| 1993 | 15 | 0 |
| 1994 | 11 | 0 |
| 1995 | 6 | 0 |
| 1996 | 17 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 16 | 0 |
| 2000 | 10 | 0 |
| 2001 | 7 | 2 |
| 2002 | 12 | 7 |
| 2003 | 7 | 9 |
| 2004 | 11 | 15 |
| 2005 | 10 | 9 |
| 2006 | 5 | 12 |
| 2007 | 8 | 15 |
| 2008 | 3 | 14 |
| 2009 | 14 | 16 |
| 2010 | 11 | 21 |
| 2011 | 10 | 13 |
| 2012 | 12 | 16 |
| 2013 | 12 | 42 |
| 2014 | 24 | 21 |
| 2015 | 22 | 21 |
| 2016 | 18 | 20 |
| 2017 | 19 | 15 |
| 2018 | 20 | 9 |
| 2019 | 8 | 8 |
| 2020 | 8 | 9 |
| 2021 | 9 | 10 |
| 2022 | 7 | 9 |
| 2023 | 4 | 4 |
| 2024 | 3 | 8 |
| 2025 | 4 | 6 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing hydrocyanic acid and device for producing hydrocyanic acid9 Jun 2026US 12,649,667 B1Mitsubishi Chemical Corporation
- Method for preparing linear hydrocarbon double acid with cyclic hydrocarbon oxidation catalyst24 Mar 2026US 12,583,811 B2Hanwha Solutions Corporation
- Method for producing isobutylene, method for producing methacrylic acid, and method for producing methyl methacrylate10 Mar 2026US 12,570,598 B2Mitsubishi Chemical Corporation
- Shaped catalyst body with improved properties, its preparation and use6 Jan 2026US 12,515,204 B2BASF SE
- Catalyst system for producing maleic anhydride by means of the catalytic oxidation of n-butane18 Nov 2025US 12,472,488 B2Clariant International Ltd.
- Process for continuous hydrogenation of aqueous levulinic acid to gamma-valerolactone and its tandem conversion to high octane gasoline range hydrocarbons6 Aug 2026US 2026/0225081 A1Eco-Oil Miljobranslen I Sverige AB
- Method for producing hydroxycarboxylic acid ester9 Oct 2025US 2025/0312779 A1Daicel Corporation
- Catalyst precursor and method for manufacturing same, catalyst molded article and method for manufacturing same, method for manufacturing catalyst, method for manufacturing alpha,beta-unsaturated carboxylic acid, and method for manufacturing alpha,beta-unsaturated carboxylic acid ester17 Jul 2025US 2025/0229258 A1Mitsubishi Chemical Corporation
- Catalyst for producing (meth)acrylic acid, and method for producing catalyst for producing (meth)acrylic acid19 Jun 2025US 2025/0196112 A1LG Chem.Ltd.
- Process for the transformation of a vanadium/phosphorus mixed oxide catalyst precursor into the active catalyst for the production of maleic anhydride5 Jun 2025US 2025/0177957 A1Alma Mater Studiorum - Università di Bologna
Most cited
By later US patents
- Production of amines from alcohols79US 4,014,933 ABASF SE · 1977
- Catalytic system for olefin oxidation to carbonyl products65US 5,506,363 ACatalytica, Inc. · 1996
- Catalytic system for olefin oxidation to carbonyl products64US 5,557,014 ACatalytica, Inc. · 1996
- Oxidation process for the production of alkenes and carboxylic acids56US 6,727,380 B2BP Chemicals Limited · 2004
- Attrition resistant catalysts, catalyst precursors and catalyst supports and process for preparing same51US 4,677,084 AE. I. Du Pont de Nemours and Company · 1987