Method for pyrolysis treatment of oily sludge and environment-friendly renovation of the residue thereof with humic acid substance
US-10487265-B1 · Nov 26, 2019 · US
Other nitrogenous fertilisers
Other nitrogenous fertilisers · 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 | C05C11/00 |
| Official title | Other nitrogenous fertilisers |
| Display label | Other nitrogenous fertilisers |
| Total patents | 185 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 13 |
| 2017 | 15 |
| 2018 | 18 |
| 2019 | 34 |
| 2020 | 22 |
| 2021 | 29 |
| 2022 | 10 |
| 2023 | 10 |
| 2024 | 13 |
| 2025 | 11 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High temperature amine-stabilized DCD and/or alkyl thiophosphoric triamide solvent systems and use in agricultural applications
US-10435333-B2 · Oct 8, 2019 · US
Soil nitrate sensing system for precision management of nitrogen fertilizer applications
US-2019285608-A1 · Sep 19, 2019 · US
Soil nitrate sensing system for precision management of nitrogen fertilizer applications
US-10345283-B1 · Jul 9, 2019 · US
Micronutrient compositions and systems and methods of using same
US-2019119176-A1 · Apr 25, 2019 · US
Novel Modified Acid Compositions as Alternatives to Conventional Acids in the Oil and Gas Industry
US-2019040298-A1 · Feb 7, 2019 · US
Compositions with improved urease-inhibiting effect comprising (thio)phosphoric acid triamide and further compounds
US-10150712-B2 · Dec 11, 2018 · US
Plasma Activated Water
US-2018327283-A1 · Nov 15, 2018 · US
Compounds and methods for improving plant performance
US-10117431-B2 · Nov 6, 2018 · US
Additive infused biochar
US-10118870-B2 · Nov 6, 2018 · US
Fertilizers containing slow and fast release sources of boron
US-2018290940-A1 · Oct 11, 2018 · US
Liquid products having increased solids concentrations
US-2018271982-A1 · Sep 27, 2018 · US
Nitride-based controlled-release fertilizers and process for making same
US-2018265422-A1 · Sep 20, 2018 · US
Encapsulated sustained release urea fertilizer
US-10011536-B1 · Jul 3, 2018 · US
Nitride-based controlled-release fertilizers and process for making same
US-10005699-B2 · Jun 26, 2018 · US
Process to conserve cyano-function and improve performance of low molecular weight nitrification inhibitors to improve fertilizer efficiency
US-2018170818-A1 · Jun 21, 2018 · US
Micronutrient compositions and systems and methods of using same
US-2018141877-A1 · May 24, 2018 · US
Combination power plant and intensified farm
US-2018084732-A1 · Mar 29, 2018 · US
Micronutrient compositions and systems and methods of using same
US-9908821-B2 · Mar 6, 2018 · US
Compositions and methods useful for enhancing the microbial conversion of nitrate into ammonium
US-2018057417-A1 · Mar 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C05C11/00?
- CPC C05C11/00 is the Cooperative Patent Classification code for “Other nitrogenous fertilisers.”
- How many patents are filed under CPC C05C11/00 (Other nitrogenous fertilisers)?
- Our database includes 185 publications tagged with this CPC code.
- Is patent activity under CPC C05C11/00 growing?
- Publication counts under this code: 13 in 2024 vs 11 in 2025 (latest complete years).