Compositions and methods for well cementing
US-12577449-B2 · Mar 17, 2026 · US
Cement and like inorganic materials added as expanding or shrinkage compensating ingredients in mortar or concrete compositions, the expansion being the result of a recrystallisation (mixtures of cements C04B7/00, C04B28/00)
Cement and like inorganic materials added as expanding or shrinkage compensating ingredients in mortar or concrete compositions, the expansion being the result of a recrystallisation (mixtures of cements C04B7/00, C04B28/00) · 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 | C04B22/008 |
| Official title | {Cement and like inorganic materials added as expanding or shrinkage compensating ingredients in mortar or concrete compositions, the expansion being the result of a recrystallisation (mixtures of cements C04B7/00, C04B28/00)} |
| Display label | Cement and like inorganic materials added as expanding or shrinkage compensating ingredients in mortar or concrete compositions, the expansion being the result of a recrystallisation (mixtures of cements C04B7/00, C04B28/00) |
| Total patents | 50 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 8 |
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods for the control of shrinkage of cementitious compositions and cementitious grouts having controlled shrinkage
US-2026055028-A1 · Feb 26, 2026 · US
Compositions and methods for well cementing
US-2025304847-A1 · Oct 2, 2025 · US
Cement admixture, expansion material, and cement composition
US-12378161-B2 · Aug 5, 2025 · US
Compositions and methods for well cementing
US-12325822-B2 · Jun 10, 2025 · US
Compositions and methods for well cementing
US-2024158686-A1 · May 16, 2024 · US
Alkali-silica reaction for expanding cement in a wellbore
US-11976237-B2 · May 7, 2024 · US
Compositions and methods for well cementing
US-11920079-B2 · Mar 5, 2024 · US
Accelerator powder and quick-setting binder composition
US-11780783-B2 · Oct 10, 2023 · US
Cement slurries, cured cement and methods of making and use of these
US-11732177-B2 · Aug 22, 2023 · US
Cement admixture, expansion material, and cement composition
US-2023242448-A1 · Aug 3, 2023 · US
Compositions and methods for well cementing
US-2023183547-A1 · Jun 15, 2023 · US
Alkali-silica reaction for expanding cement in a wellbore
US-2023113192-A1 · Apr 13, 2023 · US
Accelerator powder and quick-setting binder composition
US-11565978-B2 · Jan 31, 2023 · US
Accelerator powder and quick-setting binder composition
US-2022332653-A1 · Oct 20, 2022 · US
Controlled hydration of quicklime
US-11390561-B2 · Jul 19, 2022 · US
Cement slurries, cured cement and methods of making and use of these
US-2022145159-A1 · May 12, 2022 · US
Well cementing with water-based liquid anti-shrinkage additives
US-10982127-B2 · Apr 20, 2021 · US
Slurry comprising an encapsulated expansion agent for well cementing
US-10941329-B2 · Mar 9, 2021 · US
Accelerator powder and quick-setting binder composition
US-2021032170-A1 · Feb 4, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B22/008?
- CPC C04B22/008 is the Cooperative Patent Classification code for “Cement and like inorganic materials added as expanding or shrinkage compensating ingredients in mortar or concrete compositions, the expansion being the result of a recrystallisation (mixtures of cements C04B7/00, C04B28/00).”
- How many patents are filed under CPC C04B22/008 (Cement and like inorganic materials added as expanding or shrinkage compensating ingredients in mortar or concrete compositions, the expansion being the result of a recrystallisation (mixtures of cements C04B7/00, C04B28/00))?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC C04B22/008 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).