Urea production method and urea production apparatus
US-2025179010-A1 · Jun 5, 2025 · US
Derivatives of urea, i.e. compounds containing any of the groups [IMAGE cpc-sch-C07C-0967.gif], the nitrogen atoms not being part of nitro or nitroso groups · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C275/00 |
| Official title | Derivatives of urea, i.e. compounds containing any of the groups [IMAGE cpc-sch-C07C-0967.gif], the nitrogen atoms not being part of nitro or nitroso groups |
| Display label | Derivatives of urea, i.e. compounds containing any of the groups [IMAGE cpc-sch-C07C-0967.gif], the nitrogen atoms not being part of nitro or nitroso groups |
| Total patents | 37 |
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 | 6 |
| 2017 | 4 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 2 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025179010-A1 · Jun 5, 2025 · US
US-12187665-B2 · Jan 7, 2025 · US
US-2021107866-A1 · Apr 15, 2021 · US
US-10894764-B2 · Jan 19, 2021 · US
US-10851050-B2 · Dec 1, 2020 · US
US-2020239411-A1 · Jul 30, 2020 · US
US-2020172475-A1 · Jun 4, 2020 · US
US-10647665-B2 · May 12, 2020 · US
US-10640473-B2 · May 5, 2020 · US
US-10604477-B2 · Mar 31, 2020 · US
US-2020002274-A1 · Jan 2, 2020 · US
US-10501407-B2 · Dec 10, 2019 · US
US-2019337890-A1 · Nov 7, 2019 · US
US-2019248737-A1 · Aug 15, 2019 · US
US-10309280-B2 · Jun 4, 2019 · US
US-10224125-B2 · Mar 5, 2019 · US
US-10173972-B2 · Jan 8, 2019 · US
US-10093765-B2 · Oct 9, 2018 · US
US-2018258033-A1 · Sep 13, 2018 · US
US-2018258034-A1 · Sep 13, 2018 · US
Answers are generated from the same data shown on this page.