Multi-element catalyst including intermetallic alloy nanoparticles and method for preparing the same
US-2025288978-A1 · Sep 18, 2025 · US
with vanadium, tantalum, niobium or polonium
with vanadium, tantalum, niobium or polonium · 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 | B01J23/898 |
| Official title | {with vanadium, tantalum, niobium or polonium} |
| Display label | with vanadium, tantalum, niobium or polonium |
| Total patents | 48 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 11 |
| 2017 | 5 |
| 2018 | 8 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalytic system comprising antimony-containing catalyst
US-12297760-B2 · May 13, 2025 · US
Catalytic system comprising antimony-containing catalyst
US-2024392715-A1 · Nov 28, 2024 · US
Steam reforming catalyst and fuel cell system using the same
US-11883801-B2 · Jan 30, 2024 · US
Bi-reforming of hydrocarbons to produce synthesis gas
US-2022041441-A1 · Feb 10, 2022 · US
Steam reforming catalyst and fuel cell system using the same
US-2021213430-A1 · Jul 15, 2021 · US
Catalyst for aminating polyether polyol and preparation method thereof and method of preparing polyetheramines using catalyst thereof
US-10814314-B2 · Oct 27, 2020 · US
Photocatalyst material and method for producing same
US-10744495-B2 · Aug 18, 2020 · US
Synthesis of oxygen-mobility enhanced CeO2 and use thereof
US-10478808-B2 · Nov 19, 2019 · US
Method for preparing a catalyzed fabric filter
US-2018353948-A1 · Dec 13, 2018 · US
Catalyst for aminating polyether polyol and preparation method thereof and method of preparing polyetheramines using catalyst thereof
US-2018318806-A1 · Nov 8, 2018 · US
Use of mixed oxides as oxygen storage components
US-10058851-B2 · Aug 28, 2018 · US
Oxygen storage materials
US-10052615-B2 · Aug 21, 2018 · US
Photocatalyst material and method for producing same
US-2018214858-A1 · Aug 2, 2018 · US
Composite filaments having thin claddings, arrays of composite filaments, fabrication and applications thereof
US-2018154339-A1 · Jun 7, 2018 · US
Multi-zoned synergized-pgm catalysts for twc applications
US-2018141031-A1 · May 24, 2018 · US
Exhaust gas-purifying catalyst
US-9855550-B2 · Jan 2, 2018 · US
Exhaust gas-purifying catalyst
US-2017209854-A1 · Jul 27, 2017 · US
Zoned catalysed substrate monolith
US-9611773-B2 · Apr 4, 2017 · US
Use of mixed oxides as oxygen storage components
US-2017021340-A1 · Jan 26, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J23/898?
- CPC B01J23/898 is the Cooperative Patent Classification code for “with vanadium, tantalum, niobium or polonium.”
- How many patents are filed under CPC B01J23/898 (with vanadium, tantalum, niobium or polonium)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC B01J23/898 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).