- 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: 57
10-year publication summary
|
6
|
1
|
5
|
1
|
5
|
1
|
1
|
4
|
2
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denka Company Limited | 2702 |
6 |
| Sumitomo Rubber Industries, Ltd. | 4714 |
4 |
| Kaneka Corporation | 4640 |
4 |
| UMG ABS, Ltd. | 32 |
4 |
| Techno-UMG Co., Ltd. | 180 |
4 |
| Equistar Chemicals, LP | 351 |
3 |
| Henkel IP & Holding GmbH | 560 |
3 |
| LG Chem, Ltd. | 17846 |
2 |
| ExxonMobil Chemical Patents Inc. | 3822 |
2 |
| Mitsubishi Rayon Co., Ltd. | 862 |
2 |
| Arkema France | 4188 |
2 |
| Evonik Degussa GmbH | 1406 |
1 |
| Mitsubishi Chemical Corporation | 4677 |
1 |
| President and Fellows of Harvard College | 6045 |
1 |
| Henkel AG & Co. KGaA | 10705 |
1 |
| Techno Polymer Co., Ltd. | 62 |
1 |
| Dow Corning Corporation | 906 |
1 |
| 3D Systems, Inc. | 580 |
1 |
| Daicel Corporation | 2469 |
1 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 592 |
1 |
| Other owners | 12 |