Solutions formed from ammonium carbonate/bicarbonate and ammonium hydroxide
US-2020398233-A1 · Dec 24, 2020 · US
Carbamic acid {or thiocarbamic acid}; Salts thereof · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B21/12 |
| Official title | Carbamic acid {or thiocarbamic acid}; Salts thereof |
| Display label | Carbamic acid {or thiocarbamic acid}; Salts thereof |
| Total patents | 2 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2019 | 1 |
| 2020 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.