- All sections
- C - Chemistry; metallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 4/649 - Catalysts containing a specific non-metal or metal-free compound organic
Patent holdings for IPC class C08F 4/649
Total number of patents in this class: 394
10-year publication summary
|
30
|
25
|
19
|
39
|
41
|
24
|
28
|
15
|
16
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Basell Poliolefine Italia S.r.l. | 867 |
44 |
| Borealis AG | 2558 |
40 |
| China Petroleum & Chemical Corporation | 1623 |
33 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 297 |
32 |
| LG Chem, Ltd. | 17205 |
25 |
| NOVA Chemicals (International) S.A. | 717 |
20 |
| ExxonMobil Chemical Patents Inc. | 4286 |
15 |
| Dow Global Technologies LLC | 10147 |
15 |
| Nova Chemicals Corporation | 330 |
12 |
| PetroChina Company Limited | 462 |
12 |
| W. R. Grace & Co.-Conn. | 299 |
10 |
| Braskem America, Inc. | 177 |
9 |
| SABIC Global Technologies B.V. | 4044 |
9 |
| Saudi Basic Industries Corporation | 625 |
6 |
| Chevron Phillips Chemical Company LP | 1779 |
6 |
| Basell Polyolefine GmbH | 575 |
5 |
| Beijing Lihe Technology Ltd. | 7 |
5 |
| Dalian University of Technology | 1387 |
5 |
| Yingkou Xiangyang Catalyst Co., Ltd | 9 |
5 |
| Indian Oil Corporation Limited | 329 |
4 |
| Other owners | 82 |