- 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: 134
10-year publication summary
|
9
|
6
|
7
|
4
|
5
|
5
|
8
|
9
|
5
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10981 |
8 |
| Techno-UMG Co., Ltd. | 182 |
7 |
| Tsinghua University | 6224 |
6 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 293 |
6 |
| China Petroleum & Chemical Corporation | 2160 |
6 |
| Chevron Oronite Company LLC | 595 |
5 |
| Mitsui Chemicals, Inc. | 3253 |
5 |
| ExxonMobil Chemical Patents Inc. | 3773 |
4 |
| Borealis AG | 2739 |
4 |
| Kaneka Corporation | 4725 |
3 |
| Castrol Limited | 513 |
3 |
| Cooper-Standard Automotive Inc. | 254 |
3 |
| The Lubrizol Corporation | 1261 |
3 |
| Nippon Paper Industries Co., Ltd. | 851 |
3 |
| Sunallomer Ltd. | 56 |
3 |
| Toagosei Co., Ltd. | 1026 |
3 |
| Total American Services, Inc. | 26 |
3 |
| Nissan Motor Co., Ltd. | 12994 |
2 |
| Sumitomo Chemical Company, Limited | 8963 |
2 |
| DSM IP Assets B.V. | 5385 |
2 |
| Other owners | 53 |