Purification of substituted diaminopyrazine dicarboxylic acids
US-12428382-B2 · Sep 30, 2025 · US
(Amino-pyrazinoyl) guanidines · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07D241/32 |
| Official title | (Amino-pyrazinoyl) guanidines |
| Display label | (Amino-pyrazinoyl) guanidines |
| Total patents | 4 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2022 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12428382-B2 · Sep 30, 2025 · US
US-2022315538-A1 · Oct 6, 2022 · US
US-9126982-B2 · Sep 8, 2015 · US
US-2015011535-A1 · Jan 8, 2015 · US