Method for preparing concrete based on ggbs, silicon-aluminum compounds and co2 waste gas
US-2025230100-A1 · Jul 17, 2025 · US
Resistance against chemical, physical or biological attack
Resistance against chemical, physical or biological attack · 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 | C04B2111/20 |
| Official title | Resistance against chemical, physical or biological attack |
| Display label | Resistance against chemical, physical or biological attack |
| Total patents | 64 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 7 |
| 2021 | 5 |
| 2022 | 12 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
CMAS-resistant environmental barrier coating system
US-12227464-B2 · Feb 18, 2025 · US
Environment-friendly sound-insulation rubber mortar and preparation method thereof
US-2024294430-A1 · Sep 5, 2024 · US
Methods, materials systems, and devices for inhibiting infiltration and penetration of molten salts into solid materials
US-11891343-B2 · Feb 6, 2024 · US
Titanium based organic polymers and a method of making and using same
US-11834372-B1 · Dec 5, 2023 · US
Bio-based carbon foam
US-2023357527-A1 · Nov 9, 2023 · US
Bio-based carbon foam
US-2023357013-A1 · Nov 9, 2023 · US
Inorganic panels with volcanic rock based reinforcement and methods for making same
US-2023278924-A1 · Sep 7, 2023 · US
Cement composition and cured product thereof
US-2023131818-A1 · Apr 27, 2023 · US
Member for optical glass production apparatus
US-2023114382-A1 · Apr 13, 2023 · US
Sanitary ware
US-2022386597-A1 · Dec 8, 2022 · US
Cmas-resistant environmental barrier coating system
US-2022371967-A1 · Nov 24, 2022 · US
Composite member
US-2022371964-A1 · Nov 24, 2022 · US
Ceramic honeycomb bodies and manufacture
US-11505503-B2 · Nov 22, 2022 · US
Water cured concrete mix composition
US-11485684-B2 · Nov 1, 2022 · US
Plant structure, and building member and interior member using same
US-2022340493-A1 · Oct 27, 2022 · US
Concrete mix composition
US-11479507-B2 · Oct 25, 2022 · US
Boehmite structure and method for producing same
US-2022212943-A1 · Jul 7, 2022 · US
Corrosion-resistant ceramic
US-2022185740-A1 · Jun 16, 2022 · US
Cement-based calcined board-shaped construction material
US-2022185731-A1 · Jun 16, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B2111/20?
- CPC C04B2111/20 is the Cooperative Patent Classification code for “Resistance against chemical, physical or biological attack.”
- How many patents are filed under CPC C04B2111/20 (Resistance against chemical, physical or biological attack)?
- Our database includes 64 publications tagged with this CPC code.
- Is patent activity under CPC C04B2111/20 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).