NOx ADSORBER CATALYST
US-2017356317-A1 · Dec 14, 2017 · US
Spinels
Spinels · 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 | B01D2255/405 |
| Official title | Spinels |
| Display label | Spinels |
| Total patents | 144 |
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 | 20 |
| 2016 | 26 |
| 2017 | 23 |
| 2018 | 16 |
| 2019 | 10 |
| 2020 | 13 |
| 2021 | 10 |
| 2022 | 7 |
| 2023 | 8 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Application of synergized-pgm with ultra-low pgm loadings as close-coupled three-way catalysts for internal combustion engines
US-2017328250-A1 · Nov 16, 2017 · US
Application of synergized-pgm with ultra-low pgm loadings as underfloor three-way catalysts for internal combustion engines
US-2017328249-A1 · Nov 16, 2017 · US
Oxygen storage capacity of non-copper spinel oxide materials for twc applications
US-2017326533-A1 · Nov 16, 2017 · US
Catalytic adsorbents obtained from municipal sludges, industrial sludges, compost and tobacco waste and process for their production
US-9808761-B2 · Nov 7, 2017 · US
PROCESS FOR MAKING A NiO-DOPED ALUMINOGALLATE NANOCOMPOSITE
US-2017291165-A1 · Oct 12, 2017 · US
Process for synthesizing a metal-doped aluminogallate nanocomposite and methods of use thereof
US-2017239648-A1 · Aug 24, 2017 · US
Process for synthesizing a metal-doped aluminogallate nanocomposite and methods of use thereof
US-9737879-B1 · Aug 22, 2017 · US
Thermal stability of copper-manganese spinel as Zero PGM catalyst for TWC application
US-9731279-B2 · Aug 15, 2017 · US
Stability of Doped-Zirconia as Support Oxide for Copper-Manganese Zero-PGM Catalysts
US-2017095802-A1 · Apr 6, 2017 · US
Nickel-Doped Copper-Manganese Spinel as Zero-PGM Catalyst for TWC Applications
US-2017095800-A1 · Apr 6, 2017 · US
Methods and processes of coating zero-PGM catalysts including with Cu, Mn, Fe for TWC applications
US-9610570-B2 · Apr 4, 2017 · US
Synergized PGM catalyst systems including platinum for TWC application
US-9555400-B2 · Jan 31, 2017 · US
NITROGEN OXIDES (NOx) STORAGE CATALYST
US-2017009623-A1 · Jan 12, 2017 · US
Zero-PGM TWC with High Redox Reversibility
US-2016361711-A1 · Dec 15, 2016 · US
Reversibility of Copper-Manganese Binary Spinel Structure under Reduction-Oxidation Conditions
US-2016361710-A1 · Dec 15, 2016 · US
Spinel compositions and applications thereof
US-9511358-B2 · Dec 6, 2016 · US
System and methods for using synergized PGM as a three-way catalyst
US-9511355-B2 · Dec 6, 2016 · US
Thermally stable compositions of OSM free of rare earth metals
US-9486784-B2 · Nov 8, 2016 · US
Zero PGM catalyst including Cu—Co—Mn ternary spinel for TWC applications
US-9468912-B2 · Oct 18, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2255/405?
- CPC B01D2255/405 is the Cooperative Patent Classification code for “Spinels.”
- How many patents are filed under CPC B01D2255/405 (Spinels)?
- Our database includes 144 publications tagged with this CPC code.
- Is patent activity under CPC B01D2255/405 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).