- All sections
- C - Chemistry; metallurgy
- 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: 403
10-year publication summary
|
16
|
12
|
14
|
20
|
35
|
30
|
30
|
23
|
18
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Basell Polyolefine GmbH | 575 |
41 |
| ExxonMobil Chemical Patents Inc. | 4286 |
23 |
| Japan Polyethylene Corporation | 112 |
17 |
| China Petroleum & Chemical Corporation | 1623 |
16 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 297 |
14 |
| Japan Polypropylene Corporation | 132 |
14 |
| Bridgestone Corporation | 7067 |
13 |
| Promerus, LLC | 172 |
13 |
| Total Petrochemicals Research Feluy | 264 |
11 |
| Ube Industries, Ltd. | 921 |
10 |
| LG Chem, Ltd. | 17205 |
9 |
| University of Houston System | 1005 |
9 |
| Versalis S.P.A. | 511 |
9 |
| Showa Denko K.K. | 2539 |
7 |
| The University of Tokyo | 3903 |
7 |
| JSR Corporation | 2476 |
6 |
| Resonac Corporation | 2233 |
6 |
| Chevron Phillips Chemical Company LP | 1779 |
5 |
| Sumitomo Bakelite Co., Ltd. | 1416 |
5 |
| Qingdao Institute of Bioenergy and BioProcess Technology, Chinese Academy of Sciences | 61 |
5 |
| Other owners | 163 |