- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 4/70 - Iron group metals, platinum group metals, or compounds thereof
Patent holdings for IPC class C08F 4/70
Total number of patents in this class: 394
10-year publication summary
|
12
|
14
|
20
|
35
|
30
|
30
|
26
|
18
|
22
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Basell Polyolefine GmbH | 547 |
34 |
| ExxonMobil Chemical Patents Inc. | 4001 |
23 |
| Japan Polyethylene Corporation | 118 |
20 |
| China Petroleum & Chemical Corporation | 1889 |
18 |
| Japan Polypropylene Corporation | 130 |
16 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 297 |
14 |
| Bridgestone Corporation | 7248 |
13 |
| Promerus, LLC | 141 |
12 |
| University of Houston System | 1079 |
11 |
| LG Chem, Ltd. | 17598 |
9 |
| Ube Industries, Ltd. | 852 |
9 |
| Versalis S.P.A. | 539 |
9 |
| Showa Denko K.K. | 2249 |
7 |
| The University of Tokyo | 4168 |
7 |
| Resonac Corporation | 2769 |
7 |
| JSR Corporation | 2515 |
5 |
| Chevron Phillips Chemical Company LP | 1839 |
5 |
| Sumitomo Bakelite Co., Ltd. | 1492 |
5 |
| Total Petrochemicals Research Feluy | 229 |
5 |
| Qingdao Institute of Bioenergy and BioProcess Technology, Chinese Academy of Sciences | 70 |
5 |
| Other owners | 160 |