Synthesis of trimetallic nanoparticles by homogeneous deposition precipitation, and application of the supported catalyst for carbon dioxide reforming of methane
US-2017354962-A1 · Dec 14, 2017 · US
combined with noble metals
combined with noble metals · 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 | B01J23/89 |
| Official title | combined with noble metals |
| Display label | combined with noble metals |
| Total patents | 261 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 29 |
| 2017 | 23 |
| 2018 | 35 |
| 2019 | 16 |
| 2020 | 34 |
| 2021 | 11 |
| 2022 | 22 |
| 2023 | 24 |
| 2024 | 22 |
| 2025 | 26 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalyst manufacturing method
US-2017348676-A1 · Dec 7, 2017 · US
Electrode catalyst, gas diffusion electrode-forming composition, gas diffusion electrode, membrane electrode assembly, and fuel cell stack
US-2017331135-A1 · Nov 16, 2017 · US
Catalyst carrier and method for producing the same
US-2017326532-A1 · Nov 16, 2017 · US
Improved air purification system and method for removing formaldehyde
US-2017291164-A1 · Oct 12, 2017 · US
Co shift catalyst, co shift reaction apparatus, and method for purifying gasified gas
US-2017267939-A1 · Sep 21, 2017 · US
Exhaust gas purification catalyst
US-2017266644-A1 · Sep 21, 2017 · US
Zoned catalyst system for reducing N2O emissions
US-9764286-B2 · Sep 19, 2017 · US
Photocatalyst electrode for water decomposition
US-2017183787-A1 · Jun 29, 2017 · US
Exhaust system for a lean-burn internal combustion engine including scr catalyst
US-2017173530-A1 · Jun 22, 2017 · US
Oxygen reduction catalyst
US-2017155157-A1 · Jun 1, 2017 · US
A process for the production of a carbon supported catalyst
US-2017100706-A1 · Apr 13, 2017 · US
NOx TRAP COMPOSITION
US-2017072364-A1 · Mar 16, 2017 · US
Epoxidation processes and catalysts for use therein
US-2017056860-A1 · Mar 2, 2017 · US
Iron-based catalyst, method for preparing the same, and method for producing alpha-olefins using the same
US-2017037321-A1 · Feb 9, 2017 · US
Ammonia slip catalyst with low n2o formation
US-2016367975-A1 · Dec 22, 2016 · US
Compositions and methods related to the production of acrylonitrile
US-2016368861-A1 · Dec 22, 2016 · US
Nh3 overdosing-tolerant scr catalyst
US-2016367937-A1 · Dec 22, 2016 · US
Templated Active Material
US-2016346766-A1 · Dec 1, 2016 · US
Fenton reagent improved cyanation and usage thereof
US-9505628-B2 · Nov 29, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J23/89?
- CPC B01J23/89 is the Cooperative Patent Classification code for “combined with noble metals.”
- How many patents are filed under CPC B01J23/89 (combined with noble metals)?
- Our database includes 261 publications tagged with this CPC code.
- Is patent activity under CPC B01J23/89 growing?
- Publication counts under this code: 22 in 2024 vs 26 in 2025 (latest complete years).