- All sections
- C - Chemistry; metallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 4/54 - Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths, or actinides together with other compounds thereof
Patent holdings for IPC class C08F 4/54
Total number of patents in this class: 322
10-year publication summary
|
12
|
25
|
20
|
31
|
28
|
23
|
26
|
18
|
7
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7147 |
73 |
| LG Chem, Ltd. | 17639 |
52 |
| Compagnie Generale des Etablissements Michelin | 4621 |
28 |
| JSR Corporation | 2476 |
10 |
| Bridgestone Americas Tire Operations, LLC | 1041 |
10 |
| Centre National de La Recherche Scientifique | 10102 |
9 |
| Compagnie générale des établissements Michelin SCA | 2519 |
8 |
| Michelin Recherche et Technique S.A. | 2236 |
7 |
| Riken | 1685 |
7 |
| Universite Claude Bernard Lyon 1 | 968 |
7 |
| Ecole Superieure de Chimie Physique Electronique de Lyon | 74 |
6 |
| Ube Industries, Ltd. | 879 |
6 |
| The Goodyear Tire & Rubber Company | 2568 |
5 |
| Dow Global Technologies LLC | 10156 |
5 |
| Societe de Technologie Michelin | 627 |
5 |
| BASF SE | 20432 |
4 |
| Kuraray Co., Ltd. | 3463 |
4 |
| Versalis S.P.A. | 539 |
4 |
| 3m Innovative Properties Company | 17957 |
3 |
| Idemitsu Kosan Co., Ltd. | 4103 |
3 |
| Other owners | 66 |