O-substituted hydroxamic acids
US-10913728-B2 · Feb 9, 2021 · US
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Two oxygen or sulfur atoms
Two oxygen or sulfur atoms · 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 | C07D231/28 |
| Official title | Two oxygen or sulfur atoms |
| Display label | Two oxygen or sulfur atoms |
| Total patents | 5 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2019 | 1 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
O-substituted hydroxamic acids
US-2019161464-A1 · May 30, 2019 · US
Aromatic compound and use thereof
US-9573904-B2 · Feb 21, 2017 · US
Aromatic compound and use thereof
US-2016311775-A1 · Oct 27, 2016 · US
Method for producing pyrazole compound
US-9012657-B2 · Apr 21, 2015 · US