Expansion agents for cement compositions
US-2021403791-A1 · Dec 30, 2021 · US
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 | C04B20/1066 |
| Official title | {Oxides, Hydroxides} |
| Display label | Oxides, Hydroxides |
| Total patents | 96 |
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 |
| 2016 | 6 |
| 2017 | 6 |
| 2018 | 11 |
| 2019 | 14 |
| 2020 | 13 |
| 2021 | 14 |
| 2022 | 11 |
| 2023 | 4 |
| 2024 | 7 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electromagnetically-induced cement concrete crack self-healing diisocyanate microcapsules and their preparation method
US-11208351-B2 · Dec 28, 2021 · US
Strength retrogression mitigation materials for cement compositions
US-2021332284-A1 · Oct 28, 2021 · US
Microencapsulation of materials using cenospheres
US-11142909-B2 · Oct 12, 2021 · US
Thermal insulating composition based on fumed silica granulates, processes for its preparation and uses thereof
US-2021269359-A1 · Sep 2, 2021 · US
Cement slurry compositions responsive to hydrocarbon gas
US-2021189217-A1 · Jun 24, 2021 · US
Fiber complexes and processes for preparing them
US-2021054563-A1 · Feb 25, 2021 · US
Compositions comprising diatom frustules and applications thereof
US-10899938-B2 · Jan 26, 2021 · US
Composite materials, methods of production and uses thereof
US-10815154-B2 · Oct 27, 2020 · US
Lightweight conductive mortar material, preparation method therefor and method of using thereof
US-2020308053-A1 · Oct 1, 2020 · US
Core-shell expanding agents and their use in cementitious systems
US-2020299202-A1 · Sep 24, 2020 · US
Hydration performance of microcellulose in cement
US-10781357-B2 · Sep 22, 2020 · US
Improved manufactured natural pozzolan, improved manufactured natural pozzolan-based cement and method of making and using same
US-2020290930-A1 · Sep 17, 2020 · US
Mineral composition based on a mixed solid phase of calcium and magnesium carbonates and process for preparing such a composition
US-10710929-B2 · Jul 14, 2020 · US
Modified mineral-based filler comprising copper salts
US-10689520-B2 · Jun 23, 2020 · US
Method for producing catalyst fibrous structure
US-10682637-B2 · Jun 16, 2020 · US
Manufactured natural pozzolan, improved manufactured natural pozzolan-based cement and method of making and using same
US-10633287-B2 · Apr 28, 2020 · US
Microencapsulated thermochromic materials and uses thereof
US-2020079993-A1 · Mar 12, 2020 · US
Cement slurry responsive to hydrocarbon gas
US-2020056084-A1 · Feb 20, 2020 · US
Microencapsulation of materials using cenospheres
US-2020024848-A1 · Jan 23, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B20/1066?
- CPC C04B20/1066 is the Cooperative Patent Classification code for “Oxides, Hydroxides.”
- How many patents are filed under CPC C04B20/1066 (Oxides, Hydroxides)?
- Our database includes 96 publications tagged with this CPC code.
- Is patent activity under CPC C04B20/1066 growing?
- Publication counts under this code: 7 in 2024 vs 6 in 2025 (latest complete years).