Destruction of pfas in soil
US-2026092213-A1 · Apr 2, 2026 · US
Calcium compounds, e.g. lime
Calcium compounds, e.g. lime · 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 | C09K17/06 |
| Official title | Calcium compounds, e.g. lime |
| Display label | Calcium compounds, e.g. lime |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 10 |
| 2019 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pellets containing agricultural treatment materials and methods of making same
US-12534421-B2 · Jan 27, 2026 · US
Compositions and methods for reducing agricultural inputs
US-2025051244-A1 · Feb 13, 2025 · US
Compositions and methods for accelerated soil stabilization
US-2024368469-A1 · Nov 7, 2024 · US
Micronized earth alkali carbonate-containing material, for regulating the pH of a soil
US-11591272-B2 · Feb 28, 2023 · US
Pellets containing agricultural treatment materials and methods of making same
US-2022227682-A1 · Jul 21, 2022 · US
Construction method for ecologically protecting expansive soil slope by combining phosphogypsum with microbial mineralization
US-10913894-B1 · Feb 9, 2021 · US
Subgrade irrigation for site preparation having clayey expansive soil
US-10294622-B2 · May 21, 2019 · US
Exchangeable cation (Mg) swell potential reduction method
US-10174251-B2 · Jan 8, 2019 · US
CLAY SOIL MODIFICATION WITH Ca2+ EXCHANGEABLE CATION
US-2018355247-A1 · Dec 13, 2018 · US
Clay soil modification with Ca2+ exchangeable cation
US-10150915-B1 · Dec 11, 2018 · US
EXCHANGABLE CATION (Mg) SWELL POTENTIAL REDUCTION METHOD
US-2018346812-A1 · Dec 6, 2018 · US
Insolubilizing material for specific hazardous substance and method for insolubilizing specific hazardous substance with same
US-10125317-B2 · Nov 13, 2018 · US
Method for modifying clay soils with gypsum
US-10094086-B2 · Oct 9, 2018 · US
Subgrade irrigation for site preparation having clayey expansive soil
US-2018265783-A1 · Sep 20, 2018 · US
Clay soil site preparation for building structures
US-10040996-B2 · Aug 7, 2018 · US
Method for modifying clay soils with gypsum
US-2018209112-A1 · Jul 26, 2018 · US
Method for reducing swell potential of expansive clay mineral and expansive clayey soil with molecular level simulation
US-10024016-B2 · Jul 17, 2018 · US
Composition Comprising Calcium Magnesium Compound(s) as Compacts
US-2018021980-A1 · Jan 25, 2018 · US
Soil conditioner compositions containing lignocellulosic biomass fermentation process syrup
US-9834483-B2 · Dec 5, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K17/06?
- CPC C09K17/06 is the Cooperative Patent Classification code for “Calcium compounds, e.g. lime.”
- How many patents are filed under CPC C09K17/06 (Calcium compounds, e.g. lime)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC C09K17/06 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).