Nh3 overdosing-tolerant scr catalyst
US-2016367937-A1 · Dec 22, 2016 · US
Iron and noble metals
Iron and 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 | B01J23/8906 |
| Official title | {Iron and noble metals} |
| Display label | Iron and noble metals |
| Total patents | 275 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 36 |
| 2016 | 26 |
| 2017 | 33 |
| 2018 | 31 |
| 2019 | 34 |
| 2020 | 22 |
| 2021 | 19 |
| 2022 | 18 |
| 2023 | 19 |
| 2024 | 24 |
| 2025 | 12 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Highly active thermally stable nanoporous gold catalyst
US-9522387-B2 · Dec 20, 2016 · US
Fuel cell system and desulfurization system
US-9515338-B2 · Dec 6, 2016 · US
Bimetallic catalyst for high nitrate nitrogen reduction and selectivity and manufacturing methods thereof
US-2016347633-A1 · Dec 1, 2016 · US
Slurry hydroconversion with high activity catalysts
US-9499752-B2 · Nov 22, 2016 · US
Catalytic process for the conversion of a synthesis gas to hydrocarbons
US-9493381-B2 · Nov 15, 2016 · US
Ethanol manufacturing process over catalyst having improved radial crush strength
US-9486781-B2 · Nov 8, 2016 · US
Rhodium-iron catalysts
US-9475004-B2 · Oct 25, 2016 · US
Three-way catalyst systems including Fe-activated Rh and Ba-Pd material compositions
US-9475005-B2 · Oct 25, 2016 · US
Method for producing multisubstituted biphenyl compound and solid catalyst to be used therein
US-9469621-B2 · Oct 18, 2016 · US
Exhaust gas purification catalyst and exhaust gas purification catalyst structure
US-2016288097-A1 · Oct 6, 2016 · US
Inorganic nanoparticle deposited catalyst for hydrogenation and manufacturing method of the same, and hydrogenation for biomass derived hydrocarbon compounds
US-9421527-B2 · Aug 23, 2016 · US
Processes Utilising Selectively Permeable Membranes
US-2016193564-A1 · Jul 7, 2016 · US
Catalyst support and process for the preparation thereof
US-9375707-B2 · Jun 28, 2016 · US
Carbon dioxide decomposition
US-9364791-B1 · Jun 14, 2016 · US
Mixed metal iron oxides and uses thereof
US-2016158734-A1 · Jun 9, 2016 · US
Membrane template synthesis of microtube engines
US-9347143-B2 · May 24, 2016 · US
Kit for wastewater treatment, and manufacturing method for and use of photocatalyst
US-2016102001-A1 · Apr 14, 2016 · US
Process for transformation of a feedstock comprising a lignocellulosic biomass using an acidic homogeneous catalyst in combination with a heterogeneous catalyst comprising a specific substrate
US-2016090331-A1 · Mar 31, 2016 · US
Method for preparing nano metal/metal oxide loaded molecular sieve catalyst
US-2016074849-A1 · Mar 17, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J23/8906?
- CPC B01J23/8906 is the Cooperative Patent Classification code for “Iron and noble metals.”
- How many patents are filed under CPC B01J23/8906 (Iron and noble metals)?
- Our database includes 275 publications tagged with this CPC code.
- Is patent activity under CPC B01J23/8906 growing?
- Publication counts under this code: 24 in 2024 vs 12 in 2025 (latest complete years).