- 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: 123
10-year publication summary
6
|
9
|
6
|
7
|
4
|
5
|
5
|
8
|
7
|
2
|
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 | 5907 |
6 |
Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 297 |
6 |
China Petroleum & Chemical Corporation | 1894 |
6 |
Mitsui Chemicals, Inc. | 3220 |
5 |
ExxonMobil Chemical Patents Inc. | 4000 |
4 |
Borealis AG | 2803 |
4 |
Dow Global Technologies LLC | 10353 |
3 |
Chevron Oronite Company LLC | 572 |
3 |
Castrol Limited | 520 |
3 |
Cooper-Standard Automotive Inc. | 255 |
3 |
The Lubrizol Corporation | 1284 |
3 |
Nippon Paper Industries Co., Ltd. | 830 |
3 |
Sunallomer Ltd. | 50 |
3 |
Toagosei Co., Ltd. | 969 |
3 |
Total American Services, Inc. | 26 |
3 |
Nissan Motor Co., Ltd. | 12453 |
2 |
Sumitomo Chemical Company, Limited | 9046 |
2 |
Dow Global Technologies Inc. | 837 |
2 |
Mitsubishi Rayon Co., Ltd. | 913 |
2 |
Other owners | 50 |