- All sections
- C - Chemistrymetallurgy
- C01F - Compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare earth metals
- C01F 17/212 - Scandium oxides or hydroxides
Patent holdings for IPC class C01F 17/212
Total number of patents in this class: 20
10-year publication summary
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0
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0
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1
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1
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1
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8
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3
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4
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2
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Metal Mining Co., Ltd. | 1782 |
5 |
| Shin-Etsu Chemical Co., Ltd. | 5663 |
2 |
| Rio Tinto Iron and Titanium Canada Inc. | 18 |
2 |
| Lawrence Livermore National Security, LLC | 1942 |
1 |
| Asahi Kasei Kabushiki Kaisha | 2677 |
1 |
| Ecotec Gestione Impianti S.r.l. | 11 |
1 |
| Kronos International, Inc. | 110 |
1 |
| Obshchestvo S Ogranichennoy Otvetstvennost'yu "obedinennaya Kompaniya RUSAL Inzhenerno-tekhnologicheskiy Tsentr" | 133 |
1 |
| PetroChina Company Limited | 708 |
1 |
| Physical Sciences, Inc. | 36 |
1 |
| Vesper Technologies Inc. | 16 |
1 |
| FNC Technologies Inc. | 2 |
1 |
| Nsgi Non-Ferrous Metals Inc. | 2 |
1 |
| Scandium Canada Ltd. | 2 |
1 |
| Other owners | 0 |