- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 4/52 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths, or actinides selected from boron, aluminium, gallium, indium, thallium, or rare earths
Patent holdings for IPC class C08F 4/52
Total number of patents in this class: 590
10-year publication summary
|
26
|
47
|
65
|
48
|
47
|
30
|
19
|
22
|
8
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17937 |
89 |
| Bridgestone Corporation | 7266 |
55 |
| ExxonMobil Chemical Patents Inc. | 3773 |
45 |
| Dow Global Technologies LLC | 10968 |
36 |
| Chevron Phillips Chemical Company LP | 1861 |
22 |
| Compagnie Generale des Etablissements Michelin | 4970 |
19 |
| Centre National de La Recherche Scientifique | 11042 |
9 |
| China Petroleum & Chemical Corporation | 2158 |
9 |
| Kuraray Co., Ltd. | 3597 |
8 |
| Universite Claude Bernard Lyon 1 | 1080 |
8 |
| SABIC SK Nexlene Company Pte. Ltd. | 72 |
8 |
| Compagnie générale des établissements Michelin SCA | 2720 |
7 |
| Changchun Institute of Applied Chemistry Chinese Academy of Sciences | 115 |
7 |
| NOVA Chemicals (International) S.A. | 799 |
7 |
| Hanwha Solutions Corporation | 1183 |
7 |
| Lotte Chemical Corporation | 787 |
6 |
| SK Innovation Co., Ltd. | 1486 |
6 |
| Univation Technologies, LLC | 615 |
6 |
| Hitachi, Ltd. | 16146 |
5 |
| Northwestern University | 3546 |
5 |
| Other owners | 226 |