Hydrogencarbonate producing system and hydrogencarbonate producing method
US-2025250174-A1 · Aug 7, 2025 · US
Carbonates of sodium, potassium or alkali metals in general
Carbonates of sodium, potassium or alkali metals in general · 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 | C01D7/00 |
| Official title | Carbonates of sodium, potassium or alkali metals in general |
| Display label | Carbonates of sodium, potassium or alkali metals in general |
| Total patents | 65 |
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 | 6 |
| 2016 | 8 |
| 2017 | 7 |
| 2018 | 11 |
| 2019 | 4 |
| 2020 | 8 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 7 |
| 2024 | 3 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
CO 2 mineralization in produced and industrial effluent water by pH-swing carbonation
US-11919775-B2 · Mar 5, 2024 · US
Methods and systems for producing solid inorganic carbonate and bicarbonate compounds
US-2024051832-A1 · Feb 15, 2024 · US
Osmotic sanitary collection bag
US-11857402-B1 · Jan 2, 2024 · US
Dilution solution for measuring free steroids in blood and method for measuring steroid using the same
US-2023314292-A1 · Oct 5, 2023 · US
Method for recycling iron and aluminum in nickel-cobalt-manganese solution
US-11760655-B2 · Sep 19, 2023 · US
Method for dissolving lithium compound, method for manufacturing lithium carbonate, and method for recovering lithium from lithium ion secondary cell scrap
US-2023279522-A1 · Sep 7, 2023 · US
High temperature thermochemical energy storage materials
US-2023280104-A1 · Sep 7, 2023 · US
High temperature thermochemical energy storage materials
US-11740031-B1 · Aug 29, 2023 · US
Method for dissolving lithium compound, method for manufacturing lithium carbonate, and method for recovering lithium from lithium ion secondary cell scrap
US-11718895-B2 · Aug 8, 2023 · US
Method for recycling iron and aluminum in nickel-cobalt-manganese solution
US-2023227325-A1 · Jul 20, 2023 · US
Process to recover alkali from a metal oxide/hydroxide containing material
US-2022228236-A1 · Jul 21, 2022 · US
Sodium transition metal polyanion and production method thereof
US-2022212933-A1 · Jul 7, 2022 · US
Co 2 mineralization in produced and industrial effluent water by ph-swing carbonation
US-2022212935-A1 · Jul 7, 2022 · US
CO2 mineralization in produced and industrial effluent water by pH-swing carbonation
US-11230473-B2 · Jan 25, 2022 · US
Alkali metal bicarbonate particles with increased dissolution time
US-11124425-B2 · Sep 21, 2021 · US
Process for the joint production of sodium carbonate and sodium bicarbonate
US-10807876-B2 · Oct 20, 2020 · US
Method for supplying molten carbonate fuel cell with electrolyte and molten carbonate fuel cell using the same
US-10777834-B2 · Sep 15, 2020 · US
Preparation and use of silver sulfadiazine-immobilized fillers
US-10736821-B2 · Aug 11, 2020 · US
Method for dissolving lithium compound, method for manufacturing lithium carbonate, and method for recovering lithium from lithium ion secondary cell scrap
US-2020248283-A1 · Aug 6, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01D7/00?
- CPC C01D7/00 is the Cooperative Patent Classification code for “Carbonates of sodium, potassium or alkali metals in general.”
- How many patents are filed under CPC C01D7/00 (Carbonates of sodium, potassium or alkali metals in general)?
- Our database includes 65 publications tagged with this CPC code.
- Is patent activity under CPC C01D7/00 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).