Concrete composition including nanosilica derived from glass waste
US-12281044-B1 · Apr 22, 2025 · US
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Cenospheres
Cenospheres · 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 | C04B18/082 |
| Official title | {Cenospheres} |
| Display label | Cenospheres |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Manufacturing of off-spec waste coal combustion ash-based lightweight aggregate
US-12139437-B2 · Nov 12, 2024 · US
Lightweight core-shell aggregate and concrete
US-2024308910-A1 · Sep 19, 2024 · US
Composition for a low shrinkage pasty fill and finishing material, pasty fill and finishing material, and method for producing a pasty fill and finishing material
US-12091568-B2 · Sep 17, 2024 · US
Super-hydrophobic, thermally insulating, thermal-shocks resistant well cement composites for completion of geothermal wells at hydrothermal temperatures of up to 300° C
US-11912927-B2 · Feb 27, 2024 · US
Storable liquid suspension of hollow particles
US-11795383-B2 · Oct 24, 2023 · US
Scale Up Manufacturing of Waste Coal Combustion Ash-Based Lightweight Aggregate
US-2023109441-A1 · Apr 6, 2023 · US
Storable liquid suspension of hollow particles
US-2023020371-A1 · Jan 19, 2023 · US
Storable liquid suspension of hollow particles
US-11466202-B2 · Oct 11, 2022 · US
Super-Hydrophobic, Thermally Insulating, Thermal-Shocks Resistant Well Cement Composites for Completion of Geothermal Wells at Hydrothermal Temperatures of Up to 300 Degrees C
US-2022106516-A1 · Apr 7, 2022 · US
Methods for cementing thermal wells
US-11261365-B2 · Mar 1, 2022 · US
Composition for a low shrinkage pasty fill and finishing material, pasty fill and finishing material, and method for producing a pasty fill and finishing material
US-2021403744-A1 · Dec 30, 2021 · US
Microencapsulation of materials using cenospheres
US-11142909-B2 · Oct 12, 2021 · US
Durable railway tie
US-10781557-B2 · Sep 22, 2020 · US
Surfactants for use in liquid suspensions of lightweight beads
US-10723934-B2 · Jul 28, 2020 · US
Microencapsulation of materials using cenospheres
US-10458117-B2 · Oct 29, 2019 · US
Treatment fluids and uses thereof
US-10059869-B2 · Aug 28, 2018 · US
Method of filling a substrate having a selected plurality of channels with a granular material
US-9834475-B2 · Dec 5, 2017 · US
Process for the surface-modification of flyash and industrial applications thereof
US-9080234-B2 · Jul 14, 2015 · US
Water-based grouting composition with an insulating material
US-9062240-B2 · Jun 23, 2015 · US