Method for producing solid urea by granulation
US-12403436-B2 · Sep 2, 2025 · US
Separation; Purification; Stabilisation; Use of additives · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C273/14 |
| Official title | Separation; Purification; Stabilisation; Use of additives |
| Display label | Separation; Purification; Stabilisation; Use of additives |
| Total patents | 54 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 9 |
| 2019 | 6 |
| 2020 | 9 |
| 2021 | 5 |
| 2022 | 8 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12403436-B2 · Sep 2, 2025 · US
US-2025084032-A1 · Mar 13, 2025 · US
US-12116335-B2 · Oct 15, 2024 · US
US-11987535-B2 · May 21, 2024 · US
US-11912649-B2 · Feb 27, 2024 · US
US-11905234-B2 · Feb 20, 2024 · US
US-2024002335-A1 · Jan 4, 2024 · US
US-2023303485-A1 · Sep 28, 2023 · US
US-11766627-B2 · Sep 26, 2023 · US
US-11578034-B2 · Feb 14, 2023 · US
US-2022281809-A1 · Sep 8, 2022 · US
US-2022249975-A1 · Aug 11, 2022 · US
US-11338221-B2 · May 24, 2022 · US
US-11332437-B2 · May 17, 2022 · US
US-2022144715-A1 · May 12, 2022 · US
US-2022089529-A1 · Mar 24, 2022 · US
US-2022089527-A1 · Mar 24, 2022 · US
US-2022072492-A1 · Mar 10, 2022 · US
US-2021316261-A1 · Oct 14, 2021 · US
US-2021187412-A1 · Jun 24, 2021 · US
Answers are generated from the same data shown on this page.