Incorporation of biological agents in fertilizers
US-12552726-B2 · Feb 17, 2026 · US
post-treatment
post-treatment · 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 | C05D1/005 |
| Official title | {post-treatment} |
| Display label | post-treatment |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fertilizer composition containing a carbon-based additive and methods of making same
US-2025376425-A1 · Dec 11, 2025 · US
Synthesis of nanocomposites and their use in enhancing plant nutrition
US-12291489-B2 · May 6, 2025 · US
Acidified fertilizer granules
US-2023271895-A1 · Aug 31, 2023 · US
Biomass compositions and methods for making the same
US-11589592-B2 · Feb 28, 2023 · US
Incorporation of biological agents in fertilizers
US-2022274896-A1 · Sep 1, 2022 · US
Mineral soil conditioner produced by coal ash and preparation method thereof
US-2022242801-A1 · Aug 4, 2022 · US
Urea for top dressing enriched with calcium, magnesium, sulfur, and potassium
US-2022194874-A1 · Jun 23, 2022 · US
Acidified np, pk, npk fertilizer granules for fertigation
US-2022048832-A1 · Feb 17, 2022 · US
Biomass compositions and methods for making the same
US-11102985-B2 · Aug 31, 2021 · US
System and methods for addition of beneficial agricultural, biological, and/or dedusting additives to granular fertilizers
US-11084762-B2 · Aug 10, 2021 · US
Microbial coating of controlled-release fertilizers
US-10954173-B2 · Mar 23, 2021 · US
Special fertilizer for cut side slope soil remediation in high altitude areas
US-10934221-B2 · Mar 2, 2021 · US
System and methods for addition of beneficial agricultural, biological, and/or dedusting additives to granular fertilizers
US-2020277239-A1 · Sep 3, 2020 · US
Biomass compositions
US-10701941-B2 · Jul 7, 2020 · US
System and methods for addition of beneficial agricultural, biological, and/or dedusting additives to granular fertilizers
US-10654759-B2 · May 19, 2020 · US
Special fertilizer for cut side slope soil remediation in high altitude areas
US-2020123073-A1 · Apr 23, 2020 · US
Surface treatment liquid and surface treatment method
US-2019329292-A1 · Oct 31, 2019 · US
Layered fertilizer composition
US-10099966-B2 · Oct 16, 2018 · US
Strengthened composite products and methods for making and using same
US-10077217-B2 · Sep 18, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C05D1/005?
- CPC C05D1/005 is the Cooperative Patent Classification code for “post-treatment.”
- How many patents are filed under CPC C05D1/005 (post-treatment)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC C05D1/005 growing?
- Publication counts under this code: 2 in 2023 vs 2 in 2025 (latest complete years).