- All sections
- C - Chemistrymetallurgy
- C10C - Working-up tar, pitch, asphalt, bitumenpyroligneous acid
- C10C 1/14 - Winning of tar oils from tar
Patent holdings for IPC class C10C 1/14
Total number of patents in this class: 5
10-year publication summary
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0
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3
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0
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0
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0
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0
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0
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shell Internationale Research Maatschappij B.V. | 3437 |
1 |
| Shell Oil Company | 2083 |
1 |
| JFE Chemical Corporation | 120 |
1 |
| POSCO | 2153 |
1 |
| Eco Carbon Materials Holding (Shenzhen) Company Limited | 1 |
1 |
| Other owners | 0 |