Macronutrient compositions with supramolecular structures for agricultural use
US-2024124370-A1 · Apr 18, 2024 · US
containing trace elements
containing trace elements · 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 | C05D9/02 |
| Official title | containing trace elements |
| Display label | containing trace elements |
| Total patents | 344 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 34 |
| 2017 | 34 |
| 2018 | 30 |
| 2019 | 37 |
| 2020 | 37 |
| 2021 | 45 |
| 2022 | 27 |
| 2023 | 26 |
| 2024 | 38 |
| 2025 | 19 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Doped carbon dots and uses thereof
US-2024016157-A1 · Jan 18, 2024 · US
Process for preparing a sulphur-containing soil improver
US-2017327430-A1 · Nov 16, 2017 · US
Iron-functionalized alginate for phosphate and other contaminant removal and recovery from aqueous solutions
US-9815710-B2 · Nov 14, 2017 · US
Micronutrient fertilizer
US-2017283334-A1 · Oct 5, 2017 · US
Additive infused biochar
US-2017210677-A1 · Jul 27, 2017 · US
Method for enhancing soil growth using bio-char
US-2017152194-A1 · Jun 1, 2017 · US
Increased longevity of the nitrogen content of soil through improved liquid delivery formulations of urease inhibitors and/or nitrification inhibitors designed for urea and manure based fertilizers
US-9637420-B2 · May 2, 2017 · US
Methods for application of biochar
US-2017096375-A1 · Apr 6, 2017 · US
Micronutrient compositions and systems and methods of using same
US-2017088476-A1 · Mar 30, 2017 · US
Use of 9-beta-D-adenosine to increase crop production
US-9603366-B2 · Mar 28, 2017 · US
Process for preparing an emulsion of elemental sulphur particles
US-9598322-B2 · Mar 21, 2017 · US
Method for providing an inorganic coating to ammonium nitrate-based particles
US-2017066692-A1 · Mar 9, 2017 · US
Method for incorporating micronutrients in the outer shell of urea-based particles
US-2017066693-A1 · Mar 9, 2017 · US
PET/SPECT agents for applications in biomedical imaging
US-9579408-B2 · Feb 28, 2017 · US
Acid treatment for fertilizers to increase zinc solubility and availability
US-2017044078-A1 · Feb 16, 2017 · US
Micronutrient compositions
US-2017008813-A1 · Jan 12, 2017 · US
Enhanced biochar
US-2016368831-A1 · Dec 22, 2016 · US
Process for preparing a fertiliser
US-2016368830-A1 · Dec 22, 2016 · US
Microalgae as a mineral vehicle in aquafeeds
US-2016340264-A1 · Nov 24, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C05D9/02?
- CPC C05D9/02 is the Cooperative Patent Classification code for “containing trace elements.”
- How many patents are filed under CPC C05D9/02 (containing trace elements)?
- Our database includes 344 publications tagged with this CPC code.
- Is patent activity under CPC C05D9/02 growing?
- Publication counts under this code: 38 in 2024 vs 19 in 2025 (latest complete years).