Method for producing oxide catalyst, and method for producing unsaturated nitrile
US-2016354761-A1 · Dec 8, 2016 · US
Vanadium
Vanadium · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01J23/22 |
| Official title | Vanadium |
| Display label | Vanadium |
| Total patents | 666 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 53 |
| 2016 | 45 |
| 2017 | 68 |
| 2018 | 97 |
| 2019 | 69 |
| 2020 | 84 |
| 2021 | 57 |
| 2022 | 62 |
| 2023 | 53 |
| 2024 | 41 |
| 2025 | 29 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalysts and Related Methods for Photocatalytic Production of H2O2 and Thermocatalytic Reactant Oxidation
US-2016272495-A1 · Sep 22, 2016 · US
Process for producing carbon substrates loaded with metal oxides and carbon substrates produced in this way
US-9421518-B2 · Aug 23, 2016 · US
Resin-supported catalyst and method for preparing resin-supported catalyst
US-9314783-B2 · Apr 19, 2016 · US
Doping and reduction of nanostructures and thin films through flame annealing
US-9296621-B2 · Mar 29, 2016 · US
Nano-catalyst filter and production method for same
US-2016060782-A1 · Mar 3, 2016 · US
Conversion of alcohols to longer chain aldehydes or alcohols
US-9266807-B1 · Feb 23, 2016 · US
Porous member and catalyst member
US-2015375210-A1 · Dec 31, 2015 · US
Method and catalyst for the simultaneous removal of carbon monoxide and nitrogen oxides from flue or exhaust gas
US-2015375207-A1 · Dec 31, 2015 · US
Base Metal Catalyst
US-2015360178-A1 · Dec 17, 2015 · US
Transition metal-containing aluminosilicate zeolite
US-2015360212-A1 · Dec 17, 2015 · US
Method for producing mixture of fluoroalkyl iodides
US-9212110-B2 · Dec 15, 2015 · US
Catalyst for the oxidation of o-xylene and/or naphthalene to phthalic anhydride
US-9212157-B2 · Dec 15, 2015 · US
Non-pgm ammonia slip catalyst
US-2015352492-A1 · Dec 10, 2015 · US
COATED ARTICLES HAVING HIGH KNOx/KSOx RATIOS FOR SELECTIVE CATALYTIC REDUCTION
US-2015343422-A1 · Dec 3, 2015 · US
Silica-supported catalyst
US-9199921-B2 · Dec 1, 2015 · US
Exhaust gas treatment catalyst and method for regenerating the same
US-9192920-B2 · Nov 24, 2015 · US
Treatment device equpped with catalyst-supporting honeycomb structure, and method for producing same
US-2015330280-A1 · Nov 19, 2015 · US
Exhaust gas purification catalyst suppressing influence of iron compound
US-9186657-B2 · Nov 17, 2015 · US
Porous graphene oxide materials
US-9180442-B2 · Nov 10, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J23/22?
- CPC B01J23/22 is the Cooperative Patent Classification code for “Vanadium.”
- How many patents are filed under CPC B01J23/22 (Vanadium)?
- Our database includes 666 publications tagged with this CPC code.
- Is patent activity under CPC B01J23/22 growing?
- Publication counts under this code: 41 in 2024 vs 29 in 2025 (latest complete years).