Ammoniated polycarbamide separation aids for mineral flotation
US-2026070068-A1 · Mar 12, 2026 · US
Ureas; Thioureas
Ureas; Thioureas · 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 | C08G12/12 |
| Official title | Ureas; Thioureas |
| Display label | Ureas; Thioureas |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 7 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Schiff base oligomers
US-12098250-B2 · Sep 24, 2024 · US
Schiff base oligomers
US-2024059840-A1 · Feb 22, 2024 · US
Preparation of urea-formaldehyde/poly(butylene succinate) and its ternary biodegradable polymer nano slow/controlled release materials by reactive extrusion
US-11732078-B2 · Aug 22, 2023 · US
Schiff base oligomers
US-11725080-B2 · Aug 15, 2023 · US
Urea condensation compositions and methods of making the same
US-11465945-B2 · Oct 11, 2022 · US
Schiff base oligomers
US-2021284802-A1 · Sep 16, 2021 · US
Preparation of urea-formaldehyde/poly(butylene succinate) and its ternary biodegradable polymer nano slow/controlled release materials by reactive extrusion
US-2021261709-A1 · Aug 26, 2021 · US
Non-etherified reaction product of a cyclic urea and a multifunctional aldehyde
US-10647870-B2 · May 12, 2020 · US
Method for preparing regenerated cellulose fibers having anti-bacteria, anti-mite and anti-mould functions and the use thereof
US-10563322-B2 · Feb 18, 2020 · US
Urea condensation compositions and methods of making the same
US-2020048154-A1 · Feb 13, 2020 · US
A method for preparing regenerated cellulose fibers having anti-bacteria, anti-mite and anti-mould functions and the use thereof
US-2019203381-A1 · Jul 4, 2019 · US
Non-etherified reaction product of a cyclic urea and a multifunctional aldehyde
US-2019092962-A1 · Mar 28, 2019 · US
Strengthening resins for paper products
US-10190261-B2 · Jan 29, 2019 · US
Non-etherified reaction product of a cyclic urea and a multifunctional aldehyde
US-10174219-B2 · Jan 8, 2019 · US
Reaction product of a cyclic urea and a multifunctional aldehyde
US-10155836-B2 · Dec 18, 2018 · US
High flow urea-formaldehyde powders for particleboard and fiberboard manufacture
US-9975271-B2 · May 22, 2018 · US
Uses of condensation resins
US-9834676-B2 · Dec 5, 2017 · US
Curing compositions and methods of preparing
US-9790313-B2 · Oct 17, 2017 · US
Strengthening resins for paper products
US-2017292222-A1 · Oct 12, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G12/12?
- CPC C08G12/12 is the Cooperative Patent Classification code for “Ureas; Thioureas.”
- How many patents are filed under CPC C08G12/12 (Ureas; Thioureas)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC C08G12/12 growing?
- Publication counts under this code: 2 in 2023 vs 2 in 2024 (latest complete years).