- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 291/02 - Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups on to elastomers
Patent holdings for IPC class C08F 291/02
Total number of patents in this class: 55
10-year publication summary
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3
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6
|
1
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5
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1
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5
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1
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1
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4
|
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
|
|---|---|---|
| Denka Company Limited | 2655 |
6 |
| Sumitomo Rubber Industries, Ltd. | 4678 |
4 |
| Kaneka Corporation | 4608 |
4 |
| UMG ABS, Ltd. | 32 |
4 |
| Techno-UMG Co., Ltd. | 176 |
4 |
| Equistar Chemicals, LP | 350 |
3 |
| Henkel IP & Holding GmbH | 561 |
3 |
| LG Chem, Ltd. | 17679 |
2 |
| ExxonMobil Chemical Patents Inc. | 3948 |
2 |
| Mitsubishi Rayon Co., Ltd. | 893 |
2 |
| Arkema France | 4173 |
2 |
| Evonik Degussa GmbH | 1460 |
1 |
| Mitsubishi Chemical Corporation | 4606 |
1 |
| President and Fellows of Harvard College | 6036 |
1 |
| Henkel AG & Co. KGaA | 10654 |
1 |
| Techno Polymer Co., Ltd. | 65 |
1 |
| Dow Corning Corporation | 950 |
1 |
| 3D Systems, Inc. | 577 |
1 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 619 |
1 |
| Eastman Chemical Company | 2212 |
1 |
| Other owners | 10 |