Calcium oxide or magnesium oxide production with alkali and sulfur dioxide intermediates
US-12017985-B2 · Jun 25, 2024 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C04B7/02 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 409 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 26 |
| 2016 | 24 |
| 2017 | 28 |
| 2018 | 35 |
| 2019 | 49 |
| 2020 | 48 |
| 2021 | 42 |
| 2022 | 42 |
| 2023 | 35 |
| 2024 | 47 |
| 2025 | 26 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Three-Dimensional (3D) Printed Mortar and Preparation Method Therefor, and 3D Printing Method for Mortar
US-2024190039-A1 · Jun 13, 2024 · US
Apparatus and method for producing and analyzing a plurality of sample materials
US-2017363552-A1 · Dec 21, 2017 · US
Hydrophobic low shrinkage lightweight cementitious matrix
US-9840440-B2 · Dec 12, 2017 · US
Compositions containing kiln dust and/or biowaste ash and methods of use
US-9809737-B2 · Nov 7, 2017 · US
Development of high temperature low density cement
US-9796622-B2 · Oct 24, 2017 · US
Insulated concrete slip form and method of accelerating concrete curing using same
US-9776920-B2 · Oct 3, 2017 · US
Cement composition and manufacturing method for cement cured body using same
US-2017275203-A1 · Sep 28, 2017 · US
Burned cement clinker and method for producing the same
US-9650294-B2 · May 16, 2017 · US
Redispersible polymer powder mixtures for use in dry-mix formulations having improved properties
US-9574076-B2 · Feb 21, 2017 · US
Two-component mortar composition and its use
US-9523029-B2 · Dec 20, 2016 · US
Composition comprising a copolymer
US-9522996-B2 · Dec 20, 2016 · US
Method of accelerating curing and improving the physical properties of pozzolanic and cementitious-based material
US-9505657-B2 · Nov 29, 2016 · US
Pulverulent mortar composition having improved adhesion
US-2016304399-A1 · Oct 20, 2016 · US
Chitin nanocrystal containing wellbore fluids
US-9469802-B2 · Oct 18, 2016 · US
Composite materials and bonding elements from carbonation of calcium silicate and methods thereof
US-2016272545-A1 · Sep 22, 2016 · US
Microstructured carbonatable calcium silicate clinkers and methods thereof
US-2016272544-A1 · Sep 22, 2016 · US
Accelerator composition
US-9434648-B2 · Sep 6, 2016 · US
Cementitious system comprising accelerator particles coated with crosslinked shellac
US-9428419-B2 · Aug 30, 2016 · US
Accelerating curing and improving the physical properties of pozzolanic and cementitious-based material
US-9421695-B2 · Aug 23, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B7/02?
- CPC C04B7/02 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C04B7/02 (Chemistry & Metallurgy)?
- Our database includes 409 publications tagged with this CPC code.
- Is patent activity under CPC C04B7/02 growing?
- Publication counts under this code: 47 in 2024 vs 26 in 2025 (latest complete years).