Geopolymer cement slurries, cured geopolymer cement and methods of making and use thereof
US-2021292231-A1 · Sep 23, 2021 · US
Polyepoxides
Polyepoxides · 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 | C04B24/281 |
| Official title | {Polyepoxides} |
| Display label | Polyepoxides |
| Total patents | 89 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 5 |
| 2017 | 11 |
| 2018 | 12 |
| 2019 | 14 |
| 2020 | 10 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 10 |
| 2024 | 10 |
| 2025 | 2 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Epoxy resin composition for underwater grouting
US-2021078903-A1 · Mar 18, 2021 · US
Cement materials including shape memory polymer and methods of making cement materials
US-10876030-B2 · Dec 29, 2020 · US
Self-repairing cement polymer composites and processes of making and using same
US-10875810-B2 · Dec 29, 2020 · US
Method for producing a dispersant
US-10865144-B2 · Dec 15, 2020 · US
Method of preparation of cationic polymers with reduced halides content
US-10836871-B2 · Nov 17, 2020 · US
Use of a composition for stabilizing a geological formation in oil fields, gas fields, water pumping fields, mining or tunnel constructions
US-10781353-B2 · Sep 22, 2020 · US
Compatibilized resin-cement composite compositions
US-10767100-B2 · Sep 8, 2020 · US
Durable concrete with chemically linked cement
US-2020262755-A1 · Aug 20, 2020 · US
Single component epoxy resin cement mortar
US-2020123056-A1 · Apr 23, 2020 · US
Method for Controlling Clay Impurities in Construction Aggregates and Cementitious Compositions
US-2020062649-A1 · Feb 27, 2020 · US
Self-repairing cement polymer composites and processes of making and using same
US-2020024192-A1 · Jan 23, 2020 · US
Heavy-atom resin formulation for use in subterranean wells
US-10513650-B2 · Dec 24, 2019 · US
Two-component mortar mass and use thereof
US-10501372-B2 · Dec 10, 2019 · US
Curable composition and resin for treatment of a subterranean formation
US-2019367795-A1 · Dec 5, 2019 · US
Epoxy curing agents, compositions and uses thereof
US-10465039-B2 · Nov 5, 2019 · US
Curable composition and resin for treatment of a subterranean formation
US-10428260-B2 · Oct 1, 2019 · US
Reinforced building block made of autoclaved aerated concrete (AAC)
US-10384977-B2 · Aug 20, 2019 · US
Binder composition
US-10384976-B2 · Aug 20, 2019 · US
Self-repairing cement polymer composites and processes of making and using same
US-10370577-B2 · Aug 6, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B24/281?
- CPC C04B24/281 is the Cooperative Patent Classification code for “Polyepoxides.”
- How many patents are filed under CPC C04B24/281 (Polyepoxides)?
- Our database includes 89 publications tagged with this CPC code.
- Is patent activity under CPC C04B24/281 growing?
- Publication counts under this code: 10 in 2024 vs 2 in 2025 (latest complete years).