Gas adsorbing material particle, gas adsorbing material body, making method of the same and vacuum insulation material including the same
US-2017348669-A1 · Dec 7, 2017 · US
Calcium
Calcium · 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 | B01D2255/2045 |
| Official title | Calcium |
| Display label | Calcium |
| Total patents | 158 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 22 |
| 2016 | 21 |
| 2017 | 24 |
| 2018 | 16 |
| 2019 | 24 |
| 2020 | 12 |
| 2021 | 5 |
| 2022 | 7 |
| 2023 | 10 |
| 2024 | 8 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Photocatalytic filtration system and method of reducing hazardous gases
US-2017333825-A1 · Nov 23, 2017 · US
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
Exhaust gas purification filter
US-2017284247-A1 · Oct 5, 2017 · US
Carrier for exhaust gas purification catalyst and exhaust gas purification catalyst
US-2017274359-A1 · Sep 28, 2017 · US
High temperature layered mixed-metal oxide materials with enhanced stability
US-2017266642-A1 · Sep 21, 2017 · US
Binary catalyst based selective catalytic reduction filter
US-9764287-B2 · Sep 19, 2017 · US
Emissions treatment system with ammonia-generating and scr catalysts
US-2017241313-A1 · Aug 24, 2017 · US
Surface-modified catalyst precursors for diesel engine aftertreatment applications
US-9737877-B2 · Aug 22, 2017 · US
Method for removing an ester from a vapor mixture
US-9700840-B2 · Jul 11, 2017 · US
High temperature combustion catalyst
US-9694347-B2 · Jul 4, 2017 · US
Production method of oxygen storage material, and oxygen storage material
US-2017151551-A1 · Jun 1, 2017 · US
Emissions treatment system with ammonia-generating and SCR catalysts
US-9662611-B2 · May 30, 2017 · US
Perovskite with an ovlerlayer SCR component as an ammonia oxidation catalyst and a system for exhaust emission control on diesel engines
US-9649596-B2 · May 16, 2017 · US
LNT and SCR catalysts for combined LNT-SCR applications
US-9597664-B2 · Mar 21, 2017 · US
Exhaust system having N2O catalyst in EGR circuit
US-9587591-B2 · Mar 7, 2017 · US
Visible-light-responsive photocatalyst with environmental resistance
US-9533284-B2 · Jan 3, 2017 · US
Process for removing sulfur compounds from natural gas streams
US-9518239-B2 · Dec 13, 2016 · US
Lean NOx trap diesel oxidation catalyst with hydrocarbon storage function
US-9498775-B2 · Nov 22, 2016 · US
Photocatalytic material for splitting oxides of carbon
US-9474996-B2 · Oct 25, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2255/2045?
- CPC B01D2255/2045 is the Cooperative Patent Classification code for “Calcium.”
- How many patents are filed under CPC B01D2255/2045 (Calcium)?
- Our database includes 158 publications tagged with this CPC code.
- Is patent activity under CPC B01D2255/2045 growing?
- Publication counts under this code: 8 in 2024 vs 8 in 2025 (latest complete years).