- All sections
- C - Chemistrymetallurgy
- 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: 429
10-year publication summary
|
19
|
39
|
41
|
24
|
28
|
19
|
17
|
17
|
17
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Borealis AG | 2740 |
48 |
| Basell Poliolefine Italia S.r.l. | 944 |
46 |
| China Petroleum & Chemical Corporation | 2169 |
38 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 293 |
31 |
| LG Chem, Ltd. | 17956 |
25 |
| NOVA Chemicals (International) S.A. | 800 |
19 |
| Dow Global Technologies LLC | 11008 |
16 |
| PetroChina Company Limited | 886 |
16 |
| ExxonMobil Chemical Patents Inc. | 3766 |
12 |
| W. R. Grace & Co.-Conn. | 299 |
11 |
| Nova Chemicals Corporation | 331 |
10 |
| SABIC Global Technologies B.V. | 4614 |
10 |
| Braskem America, Inc. | 243 |
8 |
| Toho Titanium Co., Ltd. | 269 |
7 |
| Saudi Basic Industries Corporation | 524 |
6 |
| Chevron Phillips Chemical Company LP | 1864 |
6 |
| Hanwha Solutions Corporation | 1197 |
6 |
| Sinopec (Beijing) Research Institute of Chemical Industry Co., Ltd. | 124 |
6 |
| Beijing Lihe Technology Ltd. | 7 |
5 |
| Dalian University of Technology | 1601 |
5 |
| Other owners | 98 |