- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 13/28 - Methods for preparing oxides or hydroxides in general by oxidation of elements in the gaseous stateMethods for preparing oxides or hydroxides in general by oxidation or hydrolysis of compounds in the gaseous state of halides or oxyhalides using a plasma or an electric discharge
Patent holdings for IPC class C01B 13/28
Total number of patents in this class: 8
10-year publication summary
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2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hpq Silica Polvere Inc. | 2 |
2 |
| PPG Industries Ohio, Inc. | 3437 |
1 |
| Nalux Co., Ltd. | 175 |
1 |
| Plasco Energy Group Inc. | 21 |
1 |
| Politecnico di Milano | 830 |
1 |
| Tohoku University | 2700 |
1 |
| Omni Conversion Technologies Inc. | 36 |
1 |
| Other owners | 0 |