Method for producing aqueous solution of purified orthoperiodic acid, method for producing semiconductor device, and aqueous solution of orthoperiodic acid
US-2022194791-A1 · Jun 23, 2022 · US
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Oxygen compounds of iodine
Oxygen compounds of iodine · 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 | C01B11/22 |
| Official title | Oxygen compounds of iodine |
| Display label | Oxygen compounds of iodine |
| Total patents | 6 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2020 | 1 |
| 2022 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
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