- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 4/647 - Catalysts containing a specific non-metal or metal-free compound
Patent holdings for IPC class C08F 4/647
Total number of patents in this class: 5
10-year publication summary
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0
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1
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0
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0
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0
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1
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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
|
|---|---|---|
| LG Chem, Ltd. | 17970 |
1 |
| ExxonMobil Chemical Patents Inc. | 3762 |
1 |
| PetroChina Company Limited | 888 |
1 |
| Reliance Industries Limited | 464 |
1 |
| Yingkou Xiangyang Catalyst Co., Ltd. | 2 |
1 |
| Other owners | 0 |