Selective lithium extraction for cathode materials
US-2025323337-A1 · Oct 16, 2025 · US
Crystallisation
Crystallisation · 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 | C01D7/24 |
| Official title | Crystallisation |
| Display label | Crystallisation |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for treating a sodium carbonate purge
US-12434976-B1 · Oct 7, 2025 · US
Method for recovery of valuable metals and zeolite-containing material from waste cathode material reaction vessel
US-2024191322-A1 · Jun 13, 2024 · US
Methods and systems for enhancing cooling pond performance and salt production in a solution mining operation
US-11806638-B2 · Nov 7, 2023 · US
Process for producing a concentrated aqueous sodium hydroxide solution
US-11465907-B2 · Oct 11, 2022 · US
Methods and systems for enhancing cooling pond performance and salt production in a solution mining operation
US-2021402316-A1 · Dec 30, 2021 · US
Methods and systems for enhancing cooling pond performance and salt production in a solution mining operation
US-11117069-B2 · Sep 14, 2021 · US
Process for treating a sodium carbonate purge
US-2021070620-A1 · Mar 11, 2021 · US
Process for silica removal from sodium bicarbonate production wastewater
US-10941046-B2 · Mar 9, 2021 · US
Process for the joint production of sodium carbonate and sodium bicarbonate
US-10807876-B2 · Oct 20, 2020 · US
Production of crystalline sodium bicarbonate
US-10766782-B2 · Sep 8, 2020 · US
Methods and systems for enhancing cooling pond performance and salt production in a solution mining operation
US-2020094158-A1 · Mar 26, 2020 · US
Methods and systems for enhancing cooling pond performance and salt production in a solution mining operation
US-10589185-B2 · Mar 17, 2020 · US
Method for preparing alkali metal bicarbonate particles
US-2019276326-A1 · Sep 12, 2019 · US
Process for silica removal from sodium bicarbonate production wastewater
US-2019241439-A1 · Aug 8, 2019 · US
Method for preparing alkali metal bicarbonate particles
US-10308517-B2 · Jun 4, 2019 · US
Method for increasing evaporation rate of an evaporative pond
US-10150677-B2 · Dec 11, 2018 · US
Methods and systems for enhancing cooling pond performance and salt production in a solution mining operation
US-2018257000-A1 · Sep 13, 2018 · US
Process for the joint production of sodium carbonate and sodium bicarbonate
US-10065866-B2 · Sep 4, 2018 · US
Production of crystalline sodium bicarbonate
US-2018230018-A1 · Aug 16, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01D7/24?
- CPC C01D7/24 is the Cooperative Patent Classification code for “Crystallisation.”
- How many patents are filed under CPC C01D7/24 (Crystallisation)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC C01D7/24 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).