- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 4/56 - Alkali metals being the only metals present, e.g. Alfin catalysts
Patent holdings for IPC class C08F 4/56
Total number of patents in this class: 22
10-year publication summary
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0
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0
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2
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2
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4
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0
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1
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0
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0
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2
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Compagnie générale des établissements Michelin SCA | 2718 |
3 |
| LG Chem, Ltd. | 17929 |
2 |
| Bridgestone Corporation | 7262 |
2 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 293 |
2 |
| China Petroleum & Chemical Corporation | 2154 |
2 |
| Kuraray Co., Ltd. | 3591 |
2 |
| TSRC Corporation | 44 |
2 |
| G-3 Chickadee Purchaser, LLC | 98 |
2 |
| Amyris, Inc. | 371 |
1 |
| FINA Technology, Inc. | 488 |
1 |
| Firestone Polymers, LLC | 23 |
1 |
| King Abdullah University of Science and Technology | 1855 |
1 |
| Lanxess Deutschland GmbH | 1141 |
1 |
| Other owners | 0 |