Catalytically active particle filter having a high degree of filtering efficiency
US-2024017213-A1 · Jan 18, 2024 · US
Rhodium
Rhodium · 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 | B01J23/464 |
| Official title | {Rhodium} |
| Display label | Rhodium |
| Total patents | 1,057 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 70 |
| 2016 | 89 |
| 2017 | 95 |
| 2018 | 104 |
| 2019 | 95 |
| 2020 | 101 |
| 2021 | 114 |
| 2022 | 119 |
| 2023 | 101 |
| 2024 | 100 |
| 2025 | 57 |
| 2026 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalytic converter
US-2015375206-A1 · Dec 31, 2015 · US
Porous member and catalyst member
US-2015375210-A1 · Dec 31, 2015 · US
Catalytic converter
US-2015375204-A1 · Dec 31, 2015 · US
Catalysts on substrates and methods for providing the same
US-9221035-B2 · Dec 29, 2015 · US
Organo-catalytic biomass deconstruction
US-9212104-B2 · Dec 15, 2015 · US
Catalytic converter
US-2015352523-A1 · Dec 10, 2015 · US
Catalytic Articles Containing Platinum Group Metals And Non-Platinum Group Metals And Methods Of Making And Using Same
US-2015352493-A1 · Dec 10, 2015 · US
Catalyst and method for the reduction of nitrogen oxides
US-2015352495-A1 · Dec 10, 2015 · US
Noble metal hydrogenation catalysts with low cracking activity
US-2015353845-A1 · Dec 10, 2015 · US
Process for the production of bio-oil
US-2015329789-A1 · Nov 19, 2015 · US
Method of producing 1-(2-t-butylcyclohexyloxy)-2-butanol
US-9181160-B2 · Nov 10, 2015 · US
Method of preparing magnesium oxide structure with meso-macro pores
US-9180437-B2 · Nov 10, 2015 · US
A catalyst composition and a catalytic process for conversion of biomass to crude bio oil
US-2015306575-A1 · Oct 29, 2015 · US
In-situ hydrogenation of aromatic compounds for heavy oil upgrading
US-9169448-B2 · Oct 27, 2015 · US
Zoned Catalyst Composites
US-2015298098-A1 · Oct 22, 2015 · US
Production method for exhaust gas-purifying catalyst and motor vehicle
US-9162213-B2 · Oct 20, 2015 · US
Method for tuning surface structure of metallic nano-catalyst and preparation method thereof
US-9162222-B2 · Oct 20, 2015 · US
Palladium—rhodium single-layer catalyst
US-9156023-B2 · Oct 13, 2015 · US
CATALYST SYSTEM FOR TREATING NOx- AND PARTICLE-CONTAINING DIESEL EXHAUST GAS
US-2015273394-A1 · Oct 1, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J23/464?
- CPC B01J23/464 is the Cooperative Patent Classification code for “Rhodium.”
- How many patents are filed under CPC B01J23/464 (Rhodium)?
- Our database includes 1,057 publications tagged with this CPC code.
- Is patent activity under CPC B01J23/464 growing?
- Publication counts under this code: 100 in 2024 vs 57 in 2025 (latest complete years).