Composite mineralizers/fluxes for the production of alite/calcium sulfoaluminate clinkers
US-12503393-B2 · Dec 23, 2025 · US
This page is not indexed by search engines while we improve data quality.
Oxides, Hydroxides
Oxides, Hydroxides · 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 | C04B7/424 |
| Official title | {Oxides, Hydroxides} |
| Display label | Oxides, Hydroxides |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2017 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pre- and post-treatment methods for producing carbon-negative supplementary cementitious materials by direct air capture and sequestration of carbon dioxide
US-2025042812-A1 · Feb 6, 2025 · US
Sustainable calcium hydroxide production for green cement
US-12187621-B2 · Jan 7, 2025 · US
Composite mineralizers/fluxes for the production of alite/calcium sulfoaluminate clinkers
US-2024409464-A1 · Dec 12, 2024 · US
Process to make calcium oxide or ordinary portland cement from calcium bearing rocks and minerals
US-2024383804-A1 · Nov 21, 2024 · US
Method for preparing general-purpose cement
US-2024360034-A1 · Oct 31, 2024 · US
Method of preparing alkali-activated cement by stepwise calcination with sodium chloride
US-2024327282-A1 · Oct 3, 2024 · US
Production of Activated-Belite-CSA Clinkers at Extremely Low Firing Temperature
US-2024166561-A1 · May 23, 2024 · US
Process to make calcium oxide or ordinary portland cement from calcium bearing rocks and minerals
US-2023339807-A1 · Oct 26, 2023 · US
Chemical calcium hydroxide manufacturing for cement production using electrochemical separation devices
US-2023304166-A1 · Sep 28, 2023 · US
Process to make calcium oxide or ordinary Portland cement from calcium bearing rocks and minerals
US-11718558-B2 · Aug 8, 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
Sustainable calcium hydroxide production for green cement
US-2022081311-A1 · Mar 17, 2022 · US
Aluminate-enhanced type I Portland cements with short setting times and cement boards produced therefrom
US-11180412-B2 · Nov 23, 2021 · US
Composite mineralizers/fluxes for the production of alite/calcium sulfoaluminate clinkers
US-2021238090-A1 · Aug 5, 2021 · US
Process to make calcium oxide or ordinary portland cement from calcium bearing rocks and minerals
US-2021070656-A1 · Mar 11, 2021 · US
Aluminate-enhanced type i portland cements with short setting times and cement boards produced therefrom
US-2020331802-A1 · Oct 22, 2020 · US
Ground particulate spent Claus catalyst product
US-10301216-B2 · May 28, 2019 · US
Method for controlling free lime content of clinker
US-9598312-B2 · Mar 21, 2017 · US