- 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: 56
10-year publication summary
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4
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6
|
1
|
5
|
1
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5
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1
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1
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4
|
0
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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 | 2479 |
6 |
| Sumitomo Rubber Industries, Ltd. | 4420 |
4 |
| UMG ABS, Ltd. | 33 |
4 |
| Kaneka Corporation | 4489 |
3 |
| Equistar Chemicals, LP | 342 |
3 |
| Henkel IP & Holding GmbH | 575 |
3 |
| Techno-UMG Co., Ltd. | 172 |
3 |
| LG Chem, Ltd. | 17681 |
2 |
| ExxonMobil Chemical Patents Inc. | 4089 |
2 |
| Mitsubishi Rayon Co., Ltd. | 937 |
2 |
| Techno Polymer Co., Ltd. | 73 |
2 |
| Arkema France | 3902 |
2 |
| General Electric Company | 17222 |
1 |
| Evonik Degussa GmbH | 1555 |
1 |
| Mitsubishi Chemical Corporation | 4459 |
1 |
| President and Fellows of Harvard College | 5922 |
1 |
| Henkel AG & Co. KGaA | 10387 |
1 |
| Dow Corning Corporation | 1009 |
1 |
| 3D Systems, Inc. | 594 |
1 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 646 |
1 |
| Other owners | 12 |