Method for producing trifluoroamine oxide
US-2023331552-A1 · Oct 19, 2023 · US
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Halides of nitrogen oxides
Halides of nitrogen oxides · 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 | C01B21/0842 |
| Official title | {Halides of nitrogen oxides} |
| Display label | Halides of nitrogen oxides |
| Total patents | 4 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2020 | 1 |
| 2021 | 2 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Preparation method of trifluoroamine oxide
US-10934167-B2 · Mar 2, 2021 · US
Method and apparatus for effective preparation of trifluoroamine oxide
US-2021047184-A1 · Feb 18, 2021 · US
Preparation method of trifluoroamine oxide
US-2020407223-A1 · Dec 31, 2020 · US