Geopolymer compositions and methods
US-12467335-B2 · Nov 11, 2025 · US
Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
Combustion residues, e.g. purification products of smoke, fumes or exhaust gases · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C04B18/06 |
| Official title | Combustion residues, e.g. purification products of smoke, fumes or exhaust gases |
| Display label | Combustion residues, e.g. purification products of smoke, fumes or exhaust gases |
| Total patents | 26 |
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 | 3 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 4 |
| 2022 | 3 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Recycled concrete aggregates and heavy oil fuel ash for green controlled low strength material
US-12252440-B2 · Mar 18, 2025 · US
Geopolymer compositions and methods
US-2024368962-A1 · Nov 7, 2024 · US
Waste to energy ash and engineered aggregate in road construction
US-12091827-B2 · Sep 17, 2024 · US
Waste to energy ash and engineered aggregate in road construction
US-11859355-B2 · Jan 2, 2024 · US
Ultra-light mineral foam
US-11498871-B2 · Nov 15, 2022 · US
Recycled concrete aggregates and heavy oil fuel ash for green controlled low strength material
US-2022340490-A1 · Oct 27, 2022 · US
Cement composition containing an oil ash set retarder
US-11414350-B2 · Aug 16, 2022 · US
Rapid-hardening cement composition
US-10800701-B2 · Oct 13, 2020 · US
Aerated composite materials, methods of production and uses thereof
US-10787390-B2 · Sep 29, 2020 · US
Ultra-light mineral foam
US-2020247722-A1 · Aug 6, 2020 · US
Cement composition containing an oil ash set retarder
US-2020239365-A1 · Jul 30, 2020 · US
Lightweight concrete composition containing perlite and resin beads
US-10494301-B2 · Dec 3, 2019 · US
Casting method for making a lightweight concrete product
US-10457603-B2 · Oct 29, 2019 · US
Composite material including rigid foam with inorganic fillers
US-10329397-B2 · Jun 25, 2019 · US
Structural lightweight concrete with superior thermal insulation
US-10308553-B2 · Jun 4, 2019 · US
Aerated composite materials, methods of production and uses thereof
US-2019039955-A1 · Feb 7, 2019 · US
Aerated composite materials, methods of production and uses thereof
US-9963392-B2 · May 8, 2018 · US
Cementitious compositions comprising a non-aqueous fluid and an alkali-activated material
US-9957434-B2 · May 1, 2018 · US
Foam concrete with oil ash
US-9796624-B1 · Oct 24, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B18/06?
- CPC C04B18/06 is the Cooperative Patent Classification code for “Combustion residues, e.g. purification products of smoke, fumes or exhaust gases.”
- How many patents are filed under CPC C04B18/06 (Combustion residues, e.g. purification products of smoke, fumes or exhaust gases)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC C04B18/06 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).