- 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: 396
10-year publication summary
|
14
|
18
|
34
|
28
|
27
|
24
|
18
|
22
|
7
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Basell Polyolefine GmbH | 529 |
32 |
| ExxonMobil Chemical Patents Inc. | 3838 |
23 |
| Japan Polyethylene Corporation | 132 |
21 |
| China Petroleum & Chemical Corporation | 2038 |
19 |
| Japan Polypropylene Corporation | 134 |
16 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 295 |
14 |
| Bridgestone Corporation | 7231 |
13 |
| University of Houston System | 1117 |
13 |
| Promerus, LLC | 151 |
12 |
| LG Chem, Ltd. | 17813 |
10 |
| The University of Tokyo | 4320 |
10 |
| Ube Industries, Ltd. | 791 |
9 |
| Versalis S.P.A. | 530 |
9 |
| Showa Denko K.K. | 2103 |
7 |
| Chevron Phillips Chemical Company LP | 1857 |
5 |
| Sumitomo Bakelite Co., Ltd. | 1520 |
5 |
| Qingdao Institute of Bioenergy and BioProcess Technology, Chinese Academy of Sciences | 74 |
5 |
| Dow Global Technologies LLC | 10762 |
4 |
| The Board of Trustees of the University of Illinois | 2739 |
4 |
| JSR Corporation | 2540 |
4 |
| Other owners | 161 |