Methods and systems for treatment of lime to form vaterite
US-12077447-B2 · Sep 3, 2024 · 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 | C01F11/181 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 159 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 20 |
| 2016 | 13 |
| 2017 | 16 |
| 2018 | 14 |
| 2019 | 15 |
| 2020 | 12 |
| 2021 | 10 |
| 2022 | 17 |
| 2023 | 11 |
| 2024 | 17 |
| 2025 | 12 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Calcium oxide or magnesium oxide production with alkali and sulfur dioxide intermediates
US-12017985-B2 · Jun 25, 2024 · US
Carbon dioxide chemical sequestration from industrial emissions by carbonation
US-10150079-B2 · Dec 11, 2018 · US
Complexes of calcium phosphate microparticles and fibers as well as processes for preparing them
US-2018346333-A1 · Dec 6, 2018 · US
Controlled process for precipitating calcium carbonate and vaterite precipitated calcium carbonate compositions formed by said process
US-2018265370-A1 · Sep 20, 2018 · US
A controlled process for precipitating polymorphs of calcium carbonate
US-2018265371-A1 · Sep 20, 2018 · US
Precipitated calcium carbonate with improved resistance to structural breakdown
US-2018201789-A1 · Jul 19, 2018 · US
A method of producing filler
US-2018112360-A1 · Apr 26, 2018 · US
Precipitated calcium carbonate from pulp mill waste having an improved brightness, method for the production and use thereof
US-9944535-B2 · Apr 17, 2018 · US
A controlled process for precipitating calcium carbonate
US-2018022614-A1 · Jan 25, 2018 · US
Process for manufacturing a solution of an earth alkali hydrogen carbonate
US-2018002205-A1 · Jan 4, 2018 · US
A process for converting natural calcium carbonate into precipitated calcium carbonate
US-2017369329-A1 · Dec 28, 2017 · US
Carbon capture
US-9789439-B2 · Oct 17, 2017 · US
Carbonation of metal silicates for long-term co2 sequestration
US-2017291139-A1 · Oct 12, 2017 · US
Process for obtaining precipitated calcium carbonate
US-9776884-B2 · Oct 3, 2017 · US
Use of Ozone to Control Bioburden in Precipitated Calcium Carbonate Slurry (PCC)
US-2017274109-A1 · Sep 28, 2017 · US
Arrangement for and a method of manufacturing a fibrous web
US-9752280-B2 · Sep 5, 2017 · US
Preparation method of calcium carbonate with high purity from inorganic materials containing alkali metals or alkali earth metals
US-2017240432-A1 · Aug 24, 2017 · US
Method for the control of odour
US-2017224862-A1 · Aug 10, 2017 · US
Process for obtaining precipitated calcium carbonate
US-9725329-B2 · Aug 8, 2017 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01F11/181?
- CPC C01F11/181 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01F11/181 (Chemistry & Metallurgy)?
- Our database includes 159 publications tagged with this CPC code.
- Is patent activity under CPC C01F11/181 growing?
- Publication counts under this code: 17 in 2024 vs 12 in 2025 (latest complete years).