- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 4/42 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors
Patent holdings for IPC class C08F 4/42
Total number of patents in this class: 120
10-year publication summary
|
8
|
7
|
12
|
3
|
5
|
3
|
3
|
8
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17641 |
18 |
| Chevron Phillips Chemical Company LP | 1826 |
7 |
| Bridgestone Corporation | 7233 |
6 |
| Sumitomo Chemical Company, Limited | 9047 |
4 |
| W.R. Grace & Co.-conn. | 369 |
4 |
| ExxonMobil Chemical Patents Inc. | 3976 |
3 |
| Mitsui Chemicals, Inc. | 3224 |
3 |
| Borealis AG | 2813 |
3 |
| Braskem America, Inc. | 198 |
3 |
| Otsuka Chemical Co., Ltd. | 289 |
3 |
| W. R. Grace & Co.-Conn. | 299 |
3 |
| Agc, Inc. | 4879 |
3 |
| Formosa Plastics Corporation, U.S.A. | 73 |
3 |
| Janssen Pharmaceutica N.V. | 3377 |
2 |
| Saudi Basic Industries Corporation | 553 |
2 |
| Agency for Science, Technology and Research | 3630 |
2 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 295 |
2 |
| China Petroleum & Chemical Corporation | 1903 |
2 |
| FINA Technology, Inc. | 512 |
2 |
| Institute of Chemistry, Chinese Academy of Sciences | 234 |
2 |
| Other owners | 43 |