Polysulfide enhanced fertilizers and methods of making same
US-2025320169-A1 · Oct 16, 2025 · US
layered or coated with sulfur
layered or coated with sulfur · 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 | C05G5/36 |
| Official title | {layered or coated with sulfur} |
| Display label | layered or coated with sulfur |
| Total patents | 30 |
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 | 2 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 5 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Swellable fertilizer granules containing elemental sulfur with increased oxidation rates
US-2024425430-A1 · Dec 26, 2024 · US
Swellable fertilizer granules containing elemental sulfur with increased oxidation rates
US-12084396-B2 · Sep 10, 2024 · US
Calcium sulfate urea granules and methods for producing and using the same
US-11912634-B2 · Feb 27, 2024 · US
Urea calcium sulfate coated urea fertilizer and blends thereof
US-2024051887-A1 · Feb 15, 2024 · US
Calcium sulfate urea granules and methods for producing and using the same
US-2024018066-A1 · Jan 18, 2024 · US
Encapsulated fertilizer comprising essential oils, polymers and macronotruients and method of preparation thereof
US-2023399272-A1 · Dec 14, 2023 · US
Acid treatment for fertilizers to increase zinc solubility and availability
US-11807587-B2 · Nov 7, 2023 · US
Calcium sulfate urea granules and methods for producing and using the same
US-11802096-B2 · Oct 31, 2023 · US
Swellable fertilizer granules containing elemental sulfur with increased oxidation rates
US-2022324773-A1 · Oct 13, 2022 · US
Calcium sulfate urea granules and methods for producing and using the same
US-2022267230-A1 · Aug 25, 2022 · US
Swellable fertilizer granules containing elemental sulfur with increased oxidation rates
US-11384034-B2 · Jul 12, 2022 · US
Calcium sulfate urea granules and methods for producing and using the same
US-11352306-B2 · Jun 7, 2022 · US
Calcium sulfate urea granules and methods for producing and using the same
US-2022169579-A1 · Jun 2, 2022 · US
Calcium sulfate urea granules and methods for producing and using the same
US-11299441-B2 · Apr 12, 2022 · US
Swellable fertilizer granules containing elemental sulfur with increased oxidation rates
US-2020231515-A1 · Jul 23, 2020 · US
Calcium sulfate urea granules and methods for producing and using the same
US-2020207673-A1 · Jul 2, 2020 · US
Calcium sulfate urea granules and methods for producing and using the same
US-2020148607-A1 · May 14, 2020 · US
Swellable fertilizer granules containing elemental sulfur with increased oxidation rates
US-10611701-B2 · Apr 7, 2020 · US
Acid treatment for fertilizers to increase zinc solubility and availability
US-2020062667-A1 · Feb 27, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C05G5/36?
- CPC C05G5/36 is the Cooperative Patent Classification code for “layered or coated with sulfur.”
- How many patents are filed under CPC C05G5/36 (layered or coated with sulfur)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC C05G5/36 growing?
- Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).