Catalyst for organic substance decomposition and organic substance decomposing apparatus
US-2020406236-A1 · Dec 31, 2020 · US
Perovskites
Perovskites · 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 | B01D2255/402 |
| Official title | Perovskites |
| Display label | Perovskites |
| Total patents | 97 |
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 | 12 |
| 2016 | 14 |
| 2017 | 12 |
| 2018 | 8 |
| 2019 | 2 |
| 2020 | 12 |
| 2021 | 7 |
| 2022 | 8 |
| 2023 | 14 |
| 2024 | 6 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Honeycomb-structured catalyst for organic substance decomposition and organic substance decomposing apparatus
US-2020406245-A1 · Dec 31, 2020 · US
Nano-sized functional binder
US-10864508-B2 · Dec 15, 2020 · US
Two-stage catalyst for removal of NOx from exhaust gas stream
US-10857504-B2 · Dec 8, 2020 · US
Manganese oxide-lanthanum manganate-pgm composites for twc applications
US-2020316568-A1 · Oct 8, 2020 · US
Active perovskite-type catalysts stable to high temperature aging for gasoline exhaust gas applications
US-2020306730-A1 · Oct 1, 2020 · US
Nickel-cobalt-based catalysts for co and no oxidation; their activation
US-2020282382-A1 · Sep 10, 2020 · US
Promoter metal containing perovskite-type compound for gasoline exhaust gas applications
US-2020179908-A1 · Jun 11, 2020 · US
Structured catalyst for oxidation for exhaust gas purification, method for producing same, automobile exhaust gas treatment device, catalytic molding, and gas purification method
US-2020114339-A1 · Apr 16, 2020 · US
Functional structural body and method for making functional structural body
US-2020108378-A1 · Apr 9, 2020 · US
Functional structural body and method for making functional structural body
US-2020108374-A1 · Apr 9, 2020 · US
Organic matter decomposition catalyst, organic matter decomposition aggregate, and organic matter decomposition apparatus
US-2020070130-A1 · Mar 5, 2020 · US
Perovskite catalysts and uses thereof
US-2019336950-A1 · Nov 7, 2019 · US
TWO-STAGE CATALYST FOR REMOVAL OF NOx FROM EXHAUST GAS STREAM
US-2019291051-A1 · Sep 26, 2019 · US
Electric heaters comprising corrosion resistant metals and selective catalytic reduction devices utilizing the same
US-2018334939-A1 · Nov 22, 2018 · US
Diesel particulate filter coated with selective catalytic reduction and exhaust gas aftertreatment system including the same
US-10060315-B2 · Aug 28, 2018 · US
Methods and materials for direct NOx decomposition in lean exhaust gases
US-9999875-B2 · Jun 19, 2018 · US
Nitrogen oxide decomposition material and use thereof
US-9983165-B2 · May 29, 2018 · US
Perovskite based oxygen storage materials
US-9962654-B2 · May 8, 2018 · US
Exhaust gas purification catalyst
US-9878308-B2 · Jan 30, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2255/402?
- CPC B01D2255/402 is the Cooperative Patent Classification code for “Perovskites.”
- How many patents are filed under CPC B01D2255/402 (Perovskites)?
- Our database includes 97 publications tagged with this CPC code.
- Is patent activity under CPC B01D2255/402 growing?
- Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).