Extraction of ammonia and sulfuric acid from ammonium-sulfate-rich (waste) waters
US-2024335793-A1 · Oct 10, 2024 · US
from sulfates · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B17/745 |
| Official title | {from sulfates} |
| Display label | from sulfates |
| Total patents | 6 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2024335793-A1 · Oct 10, 2024 · US
US-2024149240-A1 · May 9, 2024 · US
US-11845657-B2 · Dec 19, 2023 · US
US-2023126633-A1 · Apr 27, 2023 · US
US-11390522-B2 · Jul 19, 2022 · US
US-2021221683-A1 · Jul 22, 2021 · US