Cementitious materials including a luminescent compound for printing 3-dimensional structures
US-2026085011-A1 · Mar 26, 2026 · US
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Cements from oil shales, residues or waste other than slag
Cements from oil shales, residues or waste other than slag · 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 | C04B7/24 |
| Official title | Cements from oil shales, residues or waste other than slag |
| Display label | Cements from oil shales, residues or waste other than slag |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Synthesis of alkali-activated composites incorporating large quantities of electric arc furnace dust
US-12552714-B2 · Feb 17, 2026 · US
Synthesis of alkali-activated composites incorporating large quantities of electric arc furnace dust
US-2025304499-A1 · Oct 2, 2025 · US
Method for preparing general-purpose cement by chlorination roasting of aluminosilicates
US-2025154055-A1 · May 15, 2025 · US
Process for the production of a cement substitute
US-2024400447-A1 · Dec 5, 2024 · US
Process to make calcium oxide or ordinary portland cement from calcium bearing rocks and minerals
US-2024383804-A1 · Nov 21, 2024 · US
Marine concrete composition using dechlorination microorganism, and construction method of marine concrete structure for the same
US-2024270646-A1 · Aug 15, 2024 · US
Method for manufacturing cement from an aluminosilicate raw material
US-11919808-B2 · Mar 5, 2024 · US
Process to make calcium oxide or ordinary portland cement from calcium bearing rocks and minerals
US-2023339807-A1 · Oct 26, 2023 · US
Process to make calcium oxide or ordinary Portland cement from calcium bearing rocks and minerals
US-11718558-B2 · Aug 8, 2023 · US
Production of supplementary cementitious materials through semi-wet carbonation, cyclic carbonation, non-slurry carbonation, high temperature carbonation and granulation carbonation
US-2023023151-A1 · Jan 26, 2023 · US
Process to make calcium oxide or ordinary portland cement from calcium bearing rocks and minerals
US-2022411328-A1 · Dec 29, 2022 · US
Use of animal by-products for cement production
US-2022298067-A1 · Sep 22, 2022 · US
Method and system for producing low-alkalinity sulphoaluminate cement with new mineral system using steel slag
US-11396478-B2 · Jul 26, 2022 · US
Method for manufacturing cement from an aluminosilicate raw material
US-2022162120-A1 · May 26, 2022 · US
Eco-efficient method for manufacturing concrete
US-2022098098-A1 · Mar 31, 2022 · US
Method and system for producing low-alkalinity sulphoaluminate cement with new mineral system using steel slag
US-2021130234-A1 · May 6, 2021 · US
Process to make calcium oxide or ordinary portland cement from calcium bearing rocks and minerals
US-2021070656-A1 · Mar 11, 2021 · US
Process for the purification of a residue
US-9555343-B2 · Jan 31, 2017 · US
Process for reducing the level of choride in chlorosilane direct process hydrolyzed substrate
US-9108991-B1 · Aug 18, 2015 · US