Ammoniated polycarbamide separation aids for mineral flotation
US-2026070068-A1 · Mar 12, 2026 · US
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based on urea or thiourea
based on urea or thiourea · 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 | C08G12/422 |
| Official title | {based on urea or thiourea} |
| Display label | based on urea or thiourea |
| Total patents | 4 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2018 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Memory cells and devices
US-10115785-B1 · Oct 30, 2018 · US
Process for preparing condensation resins and the use thereof
US-9000121-B2 · Apr 7, 2015 · US
Method for preparing condensation resins and use thereof
US-8957178-B2 · Feb 17, 2015 · US