Method of making a laundry detergent recycle stream composition
US-2026092240-A1 · Apr 2, 2026 · US
Preparation from the hydroxides
Preparation from the hydroxides · 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 | C01D7/07 |
| Official title | Preparation from the hydroxides |
| Display label | Preparation from the hydroxides |
| Total patents | 41 |
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 | 7 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 12 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Co2 collection system
US-2026034507-A1 · Feb 5, 2026 · US
Method for recovering active metal of lithium secondary battery
US-12476292-B2 · Nov 18, 2025 · US
Systems and methods for producing lithium carbonate and uses thereof
US-2025333321-A1 · Oct 30, 2025 · US
Systems and methods for producing lithium carbonate and uses thereof
US-2025333320-A1 · Oct 30, 2025 · US
Applying metal alkaline and microwave pyrolysis for separating and capturing carbon dioxide from exhaust gas
US-2025196063-A1 · Jun 19, 2025 · US
Applying metal alkaline and microwave pyrolysis for separating and capturing carbon dioxide from exhaust gas
US-12330117-B1 · Jun 17, 2025 · US
Bicarbonate production method, carbon dioxide production method, organic compound production method, and bicarbonate production device
US-2025186935-A1 · Jun 12, 2025 · US
Systems and methods for producing lithium carbonate and uses thereof
US-12325641-B2 · Jun 10, 2025 · US
Dry hydrogen production method from sludge
US-2025162863-A1 · May 22, 2025 · US
A system for utilizing oil and gas field produced water and captured carbon dioxide to produce high-value products
US-2025162891-A1 · May 22, 2025 · US
Dry hydrogen production device and method
US-2025115475-A1 · Apr 10, 2025 · US
Co2 recovery device
US-2025010238-A1 · Jan 9, 2025 · US
Method for producing blue hydrogen
US-2025011168-A1 · Jan 9, 2025 · US
Systems and methods for producing lithium carbonate and uses thereof
US-2024417270-A1 · Dec 19, 2024 · US
Calcium carbonate generation method and system
US-2024351902-A1 · Oct 24, 2024 · US
Method of generating high purity hydrogen from plastic waste mixtures without producing carbon dioxide
US-2024247201-A1 · Jul 25, 2024 · US
Calcium oxide or magnesium oxide production with alkali and sulfur dioxide intermediates
US-12017985-B2 · Jun 25, 2024 · 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
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01D7/07?
- CPC C01D7/07 is the Cooperative Patent Classification code for “Preparation from the hydroxides.”
- How many patents are filed under CPC C01D7/07 (Preparation from the hydroxides)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC C01D7/07 growing?
- Publication counts under this code: 4 in 2024 vs 12 in 2025 (latest complete years).