Cluster supported catalyst and method for producing same
US-2018369789-A1 · Dec 27, 2018 · US
Ruthenium, rhodium, osmium or iridium
Ruthenium, rhodium, osmium or iridium · 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 | B01J23/46 |
| Official title | Ruthenium, rhodium, osmium or iridium |
| Display label | Ruthenium, rhodium, osmium or iridium |
| Total patents | 201 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 22 |
| 2016 | 16 |
| 2017 | 16 |
| 2018 | 24 |
| 2019 | 23 |
| 2020 | 14 |
| 2021 | 27 |
| 2022 | 11 |
| 2023 | 17 |
| 2024 | 13 |
| 2025 | 17 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalyst system for lean gasoline direct injection engines
US-2018361360-A1 · Dec 20, 2018 · US
Catalyst regeneration process
US-10150102-B2 · Dec 11, 2018 · US
Carbon nitride heterogeneous catalyst containing rhodium, method for preparing the same, and method for preparing acetic acid using the same
US-10124321-B2 · Nov 13, 2018 · US
Catalyst for exhaust gas purification, method for producing same and exhaust gas purification apparatus comprising said catalyst
US-2018280878-A1 · Oct 4, 2018 · US
Alloy microparticles and method for producing same, alloy microparticle cluster, catalyst, and method for producing same
US-9962683-B2 · May 8, 2018 · US
Nitrous oxide removal catalysts for exhaust systems
US-2017362984-A1 · Dec 21, 2017 · US
Catalytic converter
US-9839902-B2 · Dec 12, 2017 · US
Butadiene production system and butadiene production method
US-2017327435-A1 · Nov 16, 2017 · US
1,3-butadiene synthesis
US-2017327436-A1 · Nov 16, 2017 · US
Titania-doped zirconia as platinum group metal support in catalysts for treatment of combustion engine exhausts streams
US-2017284251-A1 · Oct 5, 2017 · US
Zoned catalyst system for reducing N2O emissions
US-9764286-B2 · Sep 19, 2017 · US
Alloy microparticles and method for producing same, alloy microparticle cluster, catalyst, and method for producing same
US-2017259247-A1 · Sep 14, 2017 · US
Method for producing aromatic compound from biomass-derived acetic acid
US-9714207-B2 · Jul 25, 2017 · US
Catalyst for conversion and equilibration of para and ortho hydrogen
US-9714168-B1 · Jul 25, 2017 · US
Silanol Compound, Composition, and Method for Producing Silanol Compound
US-2017183363-A1 · Jun 29, 2017 · US
Steam reforming
US-2017157585-A1 · Jun 8, 2017 · US
Method for producing hydrofluoroolefin
US-2017144949-A1 · May 25, 2017 · US
Anode catalyst layer for use in a proton exchange membrane fuel cell
US-2017125821-A1 · May 4, 2017 · US
Steam reforming
US-9604200-B2 · Mar 28, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J23/46?
- CPC B01J23/46 is the Cooperative Patent Classification code for “Ruthenium, rhodium, osmium or iridium.”
- How many patents are filed under CPC B01J23/46 (Ruthenium, rhodium, osmium or iridium)?
- Our database includes 201 publications tagged with this CPC code.
- Is patent activity under CPC B01J23/46 growing?
- Publication counts under this code: 13 in 2024 vs 17 in 2025 (latest complete years).