Synthesis of sulfonamide intermediates
US-12441681-B2 · Oct 14, 2025 · US
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by splitting off HAL—Y from compounds containing the radical HAL—C—C—OY
by splitting off HAL—Y from compounds containing the radical HAL—C—C—OY · 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 | C07D301/24 |
| Official title | by splitting off HAL—Y from compounds containing the radical HAL—C—C—OY |
| Display label | by splitting off HAL—Y from compounds containing the radical HAL—C—C—OY |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2018 | 1 |
| 2020 | 2 |
| 2023 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Synthesis of Sulfonamide Intermediates
US-2023357137-A1 · Nov 9, 2023 · US
Compound producing method, and compound
US-11639338-B1 · May 2, 2023 · US
Compound producing method, and compound
US-2023122812-A1 · Apr 20, 2023 · US
Electrochemical, chlorination, and oxychlorination systems and methods to form propylene oxide or ethylene oxide
US-2020240025-A1 · Jul 30, 2020 · US
Electrochemical, chlorination, and oxychlorination systems and methods to form propylene oxide or ethylene oxide
US-10619254-B2 · Apr 14, 2020 · US
Electrochemical, chlorination, and oxychlorination systems and methods to form propylene oxide or ethylene oxide
US-2018245223-A1 · Aug 30, 2018 · US
Process for preparing epichlorohydrin from dichlorohydrin
US-9447061-B2 · Sep 20, 2016 · US
Process for preparing epichlorohydrin from dichlorohydrin
US-2015274684-A1 · Oct 1, 2015 · US
Method for preparation of 2-(2,3-dimethylphenyl)-1-propanal
US-9126915-B2 · Sep 8, 2015 · US
Method for preparation of 2-(2,3-dimethylphenyl)-1-propanal
US-2015080287-A1 · Mar 19, 2015 · US