Low melting point ionic liquids for infra-red liquid lens design
US-12306373-B2 · May 20, 2025 · US
Cyanamide; Salts thereof ({C01C3/001, C01C3/002 takes precedence}; dicyandiamide C07C279/28) · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01C3/16 |
| Official title | Cyanamide; Salts thereof ({C01C3/001, C01C3/002 takes precedence}; dicyandiamide C07C279/28) |
| Display label | Cyanamide; Salts thereof ({C01C3/001, C01C3/002 takes precedence}; dicyandiamide C07C279/28) |
| Total patents | 5 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2019 | 1 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12306373-B2 · May 20, 2025 · US
US-2024009648-A1 · Jan 11, 2024 · US
US-2022099862-A1 · Mar 31, 2022 · US
US-10273194-B2 · Apr 30, 2019 · US
US-2018170818-A1 · Jun 21, 2018 · US