Coal gangue-based ecological restoration material, and preparation method and application thereof
US-2024199956-A1 · Jun 20, 2024 · US
containing mixtures of inorganic and organic compounds
containing mixtures of inorganic and organic compounds · 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 | C09K17/40 |
| Official title | containing mixtures of inorganic and organic compounds |
| Display label | containing mixtures of inorganic and organic compounds |
| Total patents | 106 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 15 |
| 2020 | 11 |
| 2021 | 9 |
| 2022 | 14 |
| 2023 | 8 |
| 2024 | 19 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus method and composition for soil treatment
US-2024043746-A1 · Feb 8, 2024 · US
Mineral soil conditioner produced by coal ash and preparation method thereof
US-2022242801-A1 · Aug 4, 2022 · US
Methods for application of biochar
US-11390569-B2 · Jul 19, 2022 · US
Biochar as a microbial carrier
US-11384031-B2 · Jul 12, 2022 · US
Plant urease-containing soil solidification agent and zero-waste production process thereof
US-2022204962-A1 · Jun 30, 2022 · US
Mud acid composition and methods of using such
US-2022089938-A1 · Mar 24, 2022 · US
Method for preparing organic complex microelement fertilizer for engineering wound soil remediation and microelement fertilizer prepared
US-11180427-B2 · Nov 23, 2021 · US
Biochar coated seeds
US-11130715-B2 · Sep 28, 2021 · US
Novel Modified Acid Compositions as Alternatives to Conventional Acids in the Oil and Gas Industry
US-2021253936-A1 · Aug 19, 2021 · US
Anti-caking agent for soil
US-11091698-B2 · Aug 17, 2021 · US
Novel Modified Acid Compositions as Alternatives to Conventional Acids in the Oil and Gas Industry
US-2021207017-A1 · Jul 8, 2021 · US
Core-shell composite particles and methods of making same
US-2021101848-A1 · Apr 8, 2021 · US
Methods for Application of Biochar
US-2021061723-A1 · Mar 4, 2021 · US
Construction method for ecologically protecting expansive soil slope by combining phosphogypsum with microbial mineralization
US-10913894-B1 · Feb 9, 2021 · US
Biochar as a microbial carrier
US-2021017095-A1 · Jan 21, 2021 · US
Modified acid compositions as alternatives to conventional acids in the oil and gas industry
US-10822535-B2 · Nov 3, 2020 · US
Novel mud acid composition and methods of using such
US-2020317996-A1 · Oct 8, 2020 · US
Water absorbent composition
US-10781372-B2 · Sep 22, 2020 · US
Anti-caking agent for soil
US-2020283682-A1 · Sep 10, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K17/40?
- CPC C09K17/40 is the Cooperative Patent Classification code for “containing mixtures of inorganic and organic compounds.”
- How many patents are filed under CPC C09K17/40 (containing mixtures of inorganic and organic compounds)?
- Our database includes 106 publications tagged with this CPC code.
- Is patent activity under CPC C09K17/40 growing?
- Publication counts under this code: 19 in 2024 vs 11 in 2025 (latest complete years).