- All sections
- C - Chemistry; metallurgy
- 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: 121
10-year publication summary
|
8
|
6
|
9
|
6
|
7
|
2
|
5
|
4
|
8
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Techno-UMG Co., Ltd. | 169 |
7 |
| Tsinghua University | 5426 |
6 |
| Mitsui Chemicals, Inc. | 3134 |
6 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 297 |
6 |
| China Petroleum & Chemical Corporation | 1623 |
6 |
| ExxonMobil Chemical Patents Inc. | 4286 |
4 |
| DSM IP Assets B.V. | 5856 |
4 |
| Dow Global Technologies LLC | 10147 |
4 |
| Castrol Limited | 520 |
4 |
| Dow Global Technologies Inc. | 1055 |
3 |
| Borealis AG | 2558 |
3 |
| Cooper-Standard Automotive Inc. | 261 |
3 |
| The Lubrizol Corporation | 1335 |
3 |
| Sunallomer Ltd. | 51 |
3 |
| Total American Services, Inc. | 29 |
3 |
| Nissan Motor Co., Ltd. | 12249 |
2 |
| Sumitomo Chemical Company, Limited | 8808 |
2 |
| Mitsubishi Rayon Co., Ltd. | 1003 |
2 |
| Kaneka Corporation | 4445 |
2 |
| The Furukawa Electric Co., Ltd. | 3486 |
2 |
| Other owners | 46 |