Composition comprising dual chem-heat treated brine sludge waste for flexible and moldable material and a process for the preparation thereof
US-2025385018-A1 · Dec 18, 2025 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C02F11/008 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 36 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Device for in-situ sludge solidification and comprehensive solidification method
US-2025346516-A1 · Nov 13, 2025 · US
Red mud utilization method based on co-processing of industrial exhaust gas, sewage treatment and environment-friendly and high performance civil functional material
US-12172929-B2 · Dec 24, 2024 · US
Method for preparing sludge conditioner from water supply sludge and use of sludge conditioner
US-2024217856-A1 · Jul 4, 2024 · US
Immobilized microbial agent for in situ restoration of contaminated sediments, preparation method and application thereof
US-11993527-B2 · May 28, 2024 · US
Toxic Waste Treatment Process And Treatment Apparatus
US-2024116791-A1 · Apr 11, 2024 · US
Tailings settling-dewatering-solidifying device and experimental method thereof
US-11787721-B2 · Oct 17, 2023 · US
Sludge retaining device for a drain of a sanitary basin
US-2023264999-A1 · Aug 24, 2023 · US
Magnetite ore pelletizing compositions, devices, systems, and methods using automotive paint sludge as a binder
US-2023139417-A1 · May 4, 2023 · US
Method for Treating and Disposing Wastewater Grit
US-2023002285-A1 · Jan 5, 2023 · US
Tailings Settling-dewatering-solidifying Device and Experimental Method Thereof
US-2022324739-A1 · Oct 13, 2022 · US
Red mud utilization method based on co-processing of industrial exhaust gas, sewage treatment and environment-friendly and high performance civil functional material
US-2022306536-A1 · Sep 29, 2022 · US
Gold mine cyanide tailing disposal method using paste technology
US-11267744-B2 · Mar 8, 2022 · US
Treatment of thick fine tailings including chemical immobilization, polymer flocculation and dewatering
US-2022055083-A1 · Feb 24, 2022 · US
Treatment of thick fine tailings including chemical immobilization, polymer flocculation and dewatering
US-11124706-B2 · Sep 21, 2021 · US
Treatment of polluted aqueous liquids
US-11084073-B2 · Aug 10, 2021 · US
Treatment system and method for ex-situ carbonization and solidification of silt soil using active magnesium oxide
US-10920390-B2 · Feb 16, 2021 · US
Immobilized microbial agent for in situ restoration of contaminated sediments, preparation method and application thereof
US-2021017058-A1 · Jan 21, 2021 · US
Treatment of polluted aqueous liquids
US-2021009449-A1 · Jan 14, 2021 · US
Treatment System and Method for Ex-situ Carbonization and Solidification of Silt Soil Using Active Magnesium Oxide
US-2020115875-A1 · Apr 16, 2020 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F11/008?
- CPC C02F11/008 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C02F11/008 (Chemistry & Metallurgy)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC C02F11/008 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).