Process for controlling hydrogen sulfide and ammonia flow rates
US-2026001033-A1 · Jan 1, 2026 · US
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Preparation from compounds containing nitrogen and sulfur
Preparation from compounds containing nitrogen and sulfur · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01C1/245 |
| Official title | Preparation from compounds containing nitrogen and sulfur |
| Display label | Preparation from compounds containing nitrogen and sulfur |
| Total patents | 5 |
Filing trend
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 |
| 2023 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for controlling hydrogen sulfide and ammonia flow rates
US-12485384-B2 · Dec 2, 2025 · US
Process for controlling hydrogen sulfide and ammonia flow rates
US-2023046451-A1 · Feb 16, 2023 · US
High purity HCN from acrylonitrile co-production
US-10647663-B2 · May 12, 2020 · US
High purity hcn from acrylonitrile co-production
US-2018208548-A1 · Jul 26, 2018 · US