- 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: 109
10-year publication summary
|
8
|
13
|
3
|
5
|
3
|
3
|
9
|
4
|
1
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17956 |
16 |
| Chevron Phillips Chemical Company LP | 1864 |
8 |
| Bridgestone Corporation | 7274 |
6 |
| W.R. Grace & Co.-conn. | 354 |
4 |
| Borealis AG | 2740 |
3 |
| Braskem America, Inc. | 243 |
3 |
| FINA Technology, Inc. | 477 |
3 |
| W. R. Grace & Co.-Conn. | 299 |
3 |
| Agc, Inc. | 5590 |
3 |
| Formosa Plastics Corporation, U.S.A. | 85 |
3 |
| Janssen Pharmaceutica N.V. | 3160 |
2 |
| Sumitomo Chemical Company, Limited | 8969 |
2 |
| ExxonMobil Chemical Patents Inc. | 3766 |
2 |
| Mitsui Chemicals, Inc. | 3262 |
2 |
| Agency for Science, Technology and Research | 3753 |
2 |
| Institute of Chemistry, Chinese Academy of Sciences | 238 |
2 |
| Otsuka Chemical Co., Ltd. | 282 |
2 |
| University of Chinese Academy of Sciences | 48 |
2 |
| Ventraco Innovation Centre Amsterdam B.V. | 3 |
2 |
| Public Joint Stock Company "sibur Holding" (pjsc "sibur Holding") | 44 |
2 |
| Other owners | 37 |