- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 255/04 - Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group on to polymers of olefins having two or three carbon atoms on to ethene-propene copolymers
Patent holdings for IPC class C08F 255/04
Total number of patents in this class: 126
10-year publication summary
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6
|
9
|
6
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7
|
3
|
4
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5
|
7
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7
|
5
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Techno-UMG Co., Ltd. | 176 |
7 |
| Tsinghua University | 6023 |
6 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 294 |
6 |
| China Petroleum & Chemical Corporation | 1955 |
6 |
| Mitsui Chemicals, Inc. | 3230 |
5 |
| ExxonMobil Chemical Patents Inc. | 3942 |
4 |
| Dow Global Technologies LLC | 10571 |
4 |
| Borealis AG | 2781 |
4 |
| Chevron Oronite Company LLC | 582 |
3 |
| Kaneka Corporation | 4608 |
3 |
| Castrol Limited | 521 |
3 |
| Cooper-Standard Automotive Inc. | 252 |
3 |
| The Lubrizol Corporation | 1282 |
3 |
| Nippon Paper Industries Co., Ltd. | 832 |
3 |
| Sunallomer Ltd. | 54 |
3 |
| Toagosei Co., Ltd. | 978 |
3 |
| Total American Services, Inc. | 26 |
3 |
| Nissan Motor Co., Ltd. | 12673 |
2 |
| Sumitomo Chemical Company, Limited | 9109 |
2 |
| DSM IP Assets B.V. | 5561 |
2 |
| Other owners | 51 |