Diesel oxidation catalyst with enhanced hydrocarbon light-off properties
US-2023372905-A1 · Nov 23, 2023 · US
combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 · 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 | B01J23/54 |
| Official title | combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 |
| Display label | combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 |
| Total patents | 62 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 11 |
| 2017 | 8 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalysts for petrochemical catalysis
US-11795123-B2 · Oct 24, 2023 · US
Propane gas removal material
US-2023264178-A1 · Aug 24, 2023 · US
Catalyst particle shape
US-11731097-B2 · Aug 22, 2023 · US
Method of manufacturing catalyst ink free of eluted transition metal for fuel cell
US-11539054-B2 · Dec 27, 2022 · US
Three-part nano-catalyst and use thereof for photocatalysis
US-11446649-B2 · Sep 20, 2022 · US
Water electrolyzers
US-11414770-B2 · Aug 16, 2022 · US
Catalyst particle shape
US-2022032253-A1 · Feb 3, 2022 · US
Method of manufacturing catalyst ink free of eluted transition metal for fuel cell
US-2021288335-A1 · Sep 16, 2021 · US
Method for preparing a carbon-supported, platinum-transition metal alloy nanoparticle fuel cell catalyst
US-11090634-B2 · Aug 17, 2021 · US
Catalyst and method of hydrogenating unsaturated compound with multi-carboxylic acid groups
US-2021187483-A1 · Jun 24, 2021 · US
Catalyst and method for direct conversion of syngas to light olefins
US-10960387-B2 · Mar 30, 2021 · US
Catalysts for petrochemical catalysis
US-2020377429-A1 · Dec 3, 2020 · US
Catalyst article for use in an emission treatment system
US-10799832-B2 · Oct 13, 2020 · US
Catalysts for petrochemical catalysis
US-10654769-B2 · May 19, 2020 · US
Three layer NOx adsorber catalyst
US-10596550-B2 · Mar 24, 2020 · US
Method for preparing carbon-supported platinum-transition metal alloy nanoparticle catalyst
US-2020061584-A1 · Feb 27, 2020 · US
Water electrolyzers
US-2020048782-A1 · Feb 13, 2020 · US
Nh3 overdosing-tolerant scr catalyst
US-2019299160-A1 · Oct 3, 2019 · US
Exhaust gas purification catalyst
US-10413895-B2 · Sep 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J23/54?
- CPC B01J23/54 is the Cooperative Patent Classification code for “combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36.”
- How many patents are filed under CPC B01J23/54 (combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36)?
- Our database includes 62 publications tagged with this CPC code.
- Is patent activity under CPC B01J23/54 growing?
- Publication counts under this code: 4 in 2023 vs 2 in 2024 (latest complete years).