Photocatalytic aerobic oxidation of yperite or an analog thereof
US-2024390851-A1 · Nov 28, 2024 · US
Non-metallic catalysts, additives or dopants
Non-metallic catalysts, additives or dopants · 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 | B01D2255/70 |
| Official title | Non-metallic catalysts, additives or dopants |
| Display label | Non-metallic catalysts, additives or dopants |
| Total patents | 70 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 9 |
| 2018 | 12 |
| 2019 | 8 |
| 2020 | 4 |
| 2021 | 8 |
| 2023 | 10 |
| 2024 | 6 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Exhaust gas purification device for gas turbine engine
US-12013121-B2 · Jun 18, 2024 · US
Photocatalyst and application thereof in environmentally friendly photocatalytic treatment of power battery
US-11826729-B2 · Nov 28, 2023 · US
Hollow fiber membrane for enclosed space air remediation
US-2023356154-A1 · Nov 9, 2023 · US
Carbon dioxide capture using covalent organic frameworks
US-2023294071-A1 · Sep 21, 2023 · US
Cu—P co-supported zeolite, and selective catalytic reduction catalyst and catalyst for exhaust gas using same
US-11724249-B2 · Aug 15, 2023 · US
Supramolecular porous organic nanocomposites for heterogeneous photocatalysis
US-2023234041-A1 · Jul 27, 2023 · US
Photocatalyst and application thereof in environmentally friendly photocatalytic treatment of power battery
US-2023191371-A1 · Jun 22, 2023 · US
Exhaust gas purification device for gas turbine engine
US-2023194098-A1 · Jun 22, 2023 · US
Catalyst for decomposing perfluorinated compounds and method of manufacturing the catalyst
US-2023173462-A1 · Jun 8, 2023 · US
Phosphorus-doped tubular carbon nitride micro-nano material and application thereof in catalytic treatment of exhaust gas
US-11577229-B2 · Feb 14, 2023 · US
Self-wetting triphase photocatalytic composite, method of preparing same, and air purification method using same
US-2023014247-A1 · Jan 19, 2023 · US
Cu-P CO-SUPPORTED ZEOLITE, AND SELECTIVE CATALYTIC REDUCTION CATALYST AND CATALYST FOR EXHAUST GAS USING SAME
US-2021379573-A1 · Dec 9, 2021 · US
System for simultaneously removing nitrogen oxides (NOx) and sulfur oxides (SOx) from exhaust gas
US-11110391-B2 · Sep 7, 2021 · US
Thermal- and photo-assisted aftertreatment of nitrogen oxides
US-11097222-B2 · Aug 24, 2021 · US
System and method for regulating exhaust emissions
US-2021140357-A1 · May 13, 2021 · US
Thermal- And Photo-Assisted Aftertreatment Of Nitrogen Oxides
US-2021113965-A1 · Apr 22, 2021 · US
System for regulating exhaust emissions
US-10927740-B2 · Feb 23, 2021 · US
Catalyst for metal mercury oxidation reactions and nitrogen oxide reduction reactions, and exhaust gas purification method
US-10898881-B2 · Jan 26, 2021 · US
Catalyst for treating an exhaust gas, an exhaust system and a method
US-10882031-B2 · Jan 5, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2255/70?
- CPC B01D2255/70 is the Cooperative Patent Classification code for “Non-metallic catalysts, additives or dopants.”
- How many patents are filed under CPC B01D2255/70 (Non-metallic catalysts, additives or dopants)?
- Our database includes 70 publications tagged with this CPC code.
- Is patent activity under CPC B01D2255/70 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).