System and process for the production of uan
US-2026035256-A1 · Feb 5, 2026 · US
Nitrates of ammonium · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01C1/18 |
| Official title | Nitrates of ammonium |
| Display label | Nitrates of ammonium |
| Total patents | 22 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 6 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026035256-A1 · Feb 5, 2026 · US
US-12539501-B2 · Feb 3, 2026 · US
US-2025270102-A1 · Aug 28, 2025 · US
US-2025236587-A1 · Jul 24, 2025 · US
US-2025178913-A1 · Jun 5, 2025 · US
US-2025170548-A1 · May 29, 2025 · US
US-2025115547-A1 · Apr 10, 2025 · US
US-12209061-B2 · Jan 28, 2025 · US
US-11987751-B2 · May 21, 2024 · US
US-11827524-B2 · Nov 28, 2023 · US
US-2022127521-A1 · Apr 28, 2022 · US
US-2021331086-A1 · Oct 28, 2021 · US
US-11135559-B2 · Oct 5, 2021 · US
US-11083976-B2 · Aug 10, 2021 · US
US-2021163306-A1 · Jun 3, 2021 · US
US-2020016556-A1 · Jan 16, 2020 · US
US-10344654-B2 · Jul 9, 2019 · US
US-2019078480-A1 · Mar 14, 2019 · US
US-2018370864-A1 · Dec 27, 2018 · US
US-10017428-B2 · Jul 10, 2018 · US