Enzyme extraction methods
US-2026002295-A1 · Jan 1, 2026 · US
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Inorganic compounds mixed with organic active ingredients, e.g. accelerators
Inorganic compounds mixed with organic active ingredients, e.g. accelerators · 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 | C09K17/42 |
| Official title | Inorganic compounds mixed with organic active ingredients, e.g. accelerators |
| Display label | Inorganic compounds mixed with organic active ingredients, e.g. accelerators |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Enzyme extraction methods
US-12435452-B2 · Oct 7, 2025 · US
Biochar as a microbial carrier
US-12421176-B2 · Sep 23, 2025 · US
Compositions and methods for reducing agricultural inputs
US-2025051244-A1 · Feb 13, 2025 · US
Microwave-mediated liquid circulation of hydrothermal carbonization for hydrochar production
US-2024336842-A1 · Oct 10, 2024 · US
Modified acid compositions as alternatives to conventional acids in the oil and gas industry
US-11920081-B2 · Mar 5, 2024 · US
Modified acid compositions as alternatives to conventional acids in the oil and gas industry
US-11912929-B2 · Feb 27, 2024 · US
System and method for ground consolidation
US-11879227-B2 · Jan 23, 2024 · US
Modified acid compositions as alternatives to conventional acids in the oil and gas industry
US-11879092-B2 · Jan 23, 2024 · US
Biochar as a microbial carrier
US-2023146899-A1 · May 11, 2023 · US
Equal energy deformation composite foundation using microorganisms to solidify aggregate and the construction method thereof
US-2022315882-A1 · Oct 6, 2022 · US
System and method for ground consolidation
US-2022228340-A1 · Jul 21, 2022 · US
Enzyme extraction methods
US-2021395720-A1 · Dec 23, 2021 · US
Novel Modified Acid Compositions as Alternatives to Conventional Acids in the Oil and Gas Industry
US-2021253936-A1 · Aug 19, 2021 · US
Novel Modified Acid Compositions as Alternatives to Conventional Acids in the Oil and Gas Industry
US-2021207017-A1 · Jul 8, 2021 · US
Construction method for ecologically protecting expansive soil slope by combining phosphogypsum with microbial mineralization
US-10913894-B1 · Feb 9, 2021 · US
Modified acid compositions as alternatives to conventional acids in the oil and gas industry
US-10822535-B2 · Nov 3, 2020 · US
Novel Modified Acid Compositions as Alternatives to Conventional Acids in the Oil and Gas Industry
US-2020165508-A1 · May 28, 2020 · US
Modification of sand with superhydrophobic silica/wax nanoparticles
US-10202548-B1 · Feb 12, 2019 · US
Novel Modified Acid Compositions as Alternatives to Conventional Acids in the Oil and Gas Industry
US-2019040298-A1 · Feb 7, 2019 · US