Carbon sequestration foamed lightweight soil and preparation method thereof
US-12509634-B2 · Dec 30, 2025 · US
anionic
anionic · 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 | C04B2103/402 |
| Official title | {anionic} |
| Display label | anionic |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 10 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composition and method for the dewatering of aqueous suspensions
US-12330988-B2 · Jun 17, 2025 · US
Mineral binder-based foams
US-2025178972-A1 · Jun 5, 2025 · US
Foam Concrete and Composition and Method of Forming Same
US-2025100943-A1 · Mar 27, 2025 · US
Gypsum hardened product
US-2025011247-A1 · Jan 9, 2025 · US
Gypsum plaster board with biochar
US-2024327288-A1 · Oct 3, 2024 · US
3d printing method and molding part produced therewith using a water glass binder and ester
US-2024238865-A1 · Jul 18, 2024 · US
Composition for inorganic binders
US-12024475-B2 · Jul 2, 2024 · US
Carbon sequestration foamed lightweight soil and preparation method thereof
US-2024209261-A1 · Jun 27, 2024 · US
Composition for forming casting mold and casting mold forming method
US-11845694-B2 · Dec 19, 2023 · US
Composition for forming casting mold and casting mold forming method
US-2022194855-A1 · Jun 23, 2022 · US
Composition and method for the dewatering of aqueous suspensions
US-2021347691-A1 · Nov 11, 2021 · US
Gypsum slurries with linear polycarboxylate dispersants
US-10968138-B2 · Apr 6, 2021 · US
Cement compositions comprising aqueous latex containing dispersed solid and liquid elastomer phases
US-10947440-B2 · Mar 16, 2021 · US
Cement compositions comprising aqueous latex containing dispersed solid and liquid elastomer phases
US-10947439-B2 · Mar 16, 2021 · US
Hybrid foam
US-2020207670-A1 · Jul 2, 2020 · US
Cement compositions comprising aqueous latex containing dispersed solid and liquid elastomer phases
US-10683451-B2 · Jun 16, 2020 · US
Ultra-light cementitious compositions and related methods
US-10662114-B2 · May 26, 2020 · US
Coating compositions for coating fibre cement board
US-10619071-B2 · Apr 14, 2020 · US
Overcoming the retardation of cement hydration from dispersing agents used in suspension of additives
US-10557075-B2 · Feb 11, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B2103/402?
- CPC C04B2103/402 is the Cooperative Patent Classification code for “anionic.”
- How many patents are filed under CPC C04B2103/402 (anionic)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC C04B2103/402 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).