Method for stabilizing wellbore, stabilized wellbore and wellbore stabilizing fluid
US-12540268-B2 · Feb 3, 2026 · US
Lime {(obtaining Ca(OH)2 otherwise than by simple slaking of quick lime C01F11/02)}
Lime {(obtaining Ca(OH)2 otherwise than by simple slaking of quick lime C01F11/02)} · 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 | C04B2/02 |
| Official title | Lime {(obtaining Ca(OH)2 otherwise than by simple slaking of quick lime C01F11/02)} |
| Display label | Lime {(obtaining Ca(OH)2 otherwise than by simple slaking of quick lime C01F11/02)} |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 7 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for construction material
US-2026001810-A1 · Jan 1, 2026 · US
Method for reducing combustion temperature and thermal radiation within a lime kiln
US-12492818-B2 · Dec 9, 2025 · US
Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto
US-2025346532-A1 · Nov 13, 2025 · US
Concrete formulation for sealing and plugging oil or gas wells for abandonment
US-2025340774-A1 · Nov 6, 2025 · US
Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto
US-12371374-B2 · Jul 29, 2025 · US
Compositions and methods for accelerated soil stabilization
US-2024368469-A1 · Nov 7, 2024 · US
Agent for the stabilisation of lime milk
US-2024294390-A1 · Sep 5, 2024 · US
Method for stabilizing wellbore, stabilized wellbore and wellbore stabilizing fluid
US-2024240072-A1 · Jul 18, 2024 · US
Apparatus and Process For Calcining Feed Material
US-2024190762-A1 · Jun 13, 2024 · US
Methods for reactivating passivated mineral residues
US-2024091743-A1 · Mar 21, 2024 · US
Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto
US-2024010561-A1 · Jan 11, 2024 · US
Formulations and processing of cementitious components to meet target strength and CO2 uptake criteria
US-11858865-B2 · Jan 2, 2024 · US
Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto
US-11773020-B2 · Oct 3, 2023 · US
Method for stabilizing wellbore, stabilized wellbore and wellbore stabilizing fluid
US-2023295482-A1 · Sep 21, 2023 · US
Concrete formulation for sealing and plugging oil or gas wells for abandonment
US-2023146738-A1 · May 11, 2023 · US
A method for reducing combustion temperature and thermal radiation within a lime kiln
US-2023144517-A1 · May 11, 2023 · US
Formulations and processing of cementitious components to meet target strength and co2 uptake criteria
US-2022380265-A1 · Dec 1, 2022 · US
Formulations and processing of cementitious components to meet target strength and CO2 uptake criteria
US-11384029-B2 · Jul 12, 2022 · US
Process for calcining mineral rock in a regenerative parallel-flow vertical shaft furnace, and furnace used
US-11280546-B2 · Mar 22, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B2/02?
- CPC C04B2/02 is the Cooperative Patent Classification code for “Lime {(obtaining Ca(OH)2 otherwise than by simple slaking of quick lime C01F11/02)}.”
- How many patents are filed under CPC C04B2/02 (Lime {(obtaining Ca(OH)2 otherwise than by simple slaking of quick lime C01F11/02)})?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC C04B2/02 growing?
- Publication counts under this code: 7 in 2024 vs 4 in 2025 (latest complete years).