- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 4/646 - Catalysts comprising at least two different metals, in metallic form or as compounds thereof, in addition to the component covered by group
Patent holdings for IPC class C08F 4/646
Total number of patents in this class: 344
10-year publication summary
|
8
|
15
|
27
|
41
|
38
|
37
|
16
|
10
|
14
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17662 |
42 |
| ExxonMobil Chemical Patents Inc. | 4099 |
23 |
| Dow Global Technologies Inc. | 913 |
21 |
| Basell Poliolefine Italia S.r.l. | 887 |
20 |
| Borealis AG | 2725 |
20 |
| Dow Global Technologies LLC | 10193 |
18 |
| Hanwha Chemical Corporation | 323 |
14 |
| SABIC Global Technologies B.V. | 4230 |
13 |
| SABIC SK Nexlene Company Pte. Ltd. | 83 |
13 |
| Hanwha Solutions Corporation | 734 |
13 |
| China Petroleum & Chemical Corporation | 1795 |
10 |
| Nova Chemicals Corporation | 333 |
8 |
| NOVA Chemicals (International) S.A. | 763 |
8 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 298 |
7 |
| Chevron Phillips Chemical Company LP | 1820 |
7 |
| Institute of Chemistry, Chinese Academy of Sciences | 228 |
6 |
| PetroChina Company Limited | 588 |
6 |
| Univation Technologies, LLC | 662 |
6 |
| Mitsui Chemicals, Inc. | 3188 |
5 |
| Saudi Basic Industries Corporation | 589 |
4 |
| Other owners | 80 |