Method for isolating an aqueous hydrochloric acid solution of fecl3 from an aqueous multi-component system
US-2023391634-A1 · Dec 7, 2023 · US
Ketones or aldehydes · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C22B3/306 |
| Official title | {Ketones or aldehydes} |
| Display label | Ketones or aldehydes |
| 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 |
|---|---|
| 2018 | 1 |
| 2020 | 1 |
| 2022 | 1 |
| 2023 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2023391634-A1 · Dec 7, 2023 · US
US-2022356545-A1 · Nov 10, 2022 · US
US-10662499-B2 · May 26, 2020 · US
US-2018073099-A1 · Mar 15, 2018 · US