Compositions and methods for well cementing
US-12577449-B2 · Mar 17, 2026 · US
Condensation polymers of aldehydes or ketones
Condensation polymers of aldehydes or ketones · 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 | C04B24/30 |
| Official title | Condensation polymers of aldehydes or ketones |
| Display label | Condensation polymers of aldehydes or ketones |
| Total patents | 46 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 8 |
| 2018 | 4 |
| 2019 | 8 |
| 2020 | 5 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compositions and methods for well cementing
US-2025304847-A1 · Oct 2, 2025 · US
Compositions and methods for well cementing
US-12325822-B2 · Jun 10, 2025 · US
Ultra-high temperature resistant cement slurry system for cementing and preparation method and use thereof
US-12305116-B2 · May 20, 2025 · US
Ultra-high temperature resistant cement slurry system for cementing and preparation method and use thereof
US-2024336828-A1 · Oct 10, 2024 · US
Composition for inorganic binders
US-12024475-B2 · Jul 2, 2024 · US
Compositions and methods for well cementing
US-2024158686-A1 · May 16, 2024 · US
Limestone calcined clay cement (LC3) construction composition
US-11939273-B2 · Mar 26, 2024 · US
Compositions and methods for well cementing
US-11920079-B2 · Mar 5, 2024 · US
Neutron beam shielding gypsum-based building board and method of manufacturing neutron beam shielding gypsum-based building board
US-2023271885-A1 · Aug 31, 2023 · US
Compositions and methods for well cementing
US-2023183547-A1 · Jun 15, 2023 · US
Compatibilized resin-cement composite compositions
US-11542423-B2 · Jan 3, 2023 · US
Reversible aminal gel compositions, methods, and use
US-11230658-B2 · Jan 25, 2022 · US
Loss circulation material composition having alkaline nanoparticle based dispersion, water insoluble hydrolysable polyester, and formaldehyde resin
US-11015102-B2 · May 25, 2021 · US
Reversible aminal gel compositions, methods, and use
US-2020308467-A1 · Oct 1, 2020 · US
Compatibilized resin-cement composite compositions
US-10767100-B2 · Sep 8, 2020 · US
Reversible aminal gel compositions, methods, and use
US-10683445-B2 · Jun 16, 2020 · US
Reversible aminal gel compositions, methods, and use
US-10683446-B2 · Jun 16, 2020 · US
Reversible aminal gel compositions, methods, and use
US-10604691-B2 · Mar 31, 2020 · US
Composition for inorganic binders
US-2019367421-A1 · Dec 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B24/30?
- CPC C04B24/30 is the Cooperative Patent Classification code for “Condensation polymers of aldehydes or ketones.”
- How many patents are filed under CPC C04B24/30 (Condensation polymers of aldehydes or ketones)?
- Our database includes 46 publications tagged with this CPC code.
- Is patent activity under CPC C04B24/30 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).