- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 4/22 - Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by depolymerisation to the original monomer, e.g. dicyclopentadiene to cyclopentadiene
Patent holdings for IPC class C07C 4/22
Total number of patents in this class: 113
10-year publication summary
|
2
|
6
|
1
|
5
|
2
|
9
|
17
|
15
|
24
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| INEOS Styrolution Group GmbH | 343 |
9 |
| ExxonMobil Chemical Patents Inc. | 4021 |
7 |
| Basell Poliolefine Italia S.r.l. | 895 |
6 |
| SABIC Global Technologies B.V. | 4302 |
5 |
| Bridgestone Corporation | 7244 |
4 |
| Chevron U.S.A. Inc. | 3939 |
4 |
| Zeon Corporation | 4075 |
4 |
| Agilyx Corporation | 27 |
3 |
| Chevron Phillips Chemical Company LP | 1835 |
3 |
| Tohoku University | 2762 |
3 |
| Sumitomo Chemical Company, Limited | 9018 |
2 |
| National Institute of Advanced Industrial Science and Technology | 3788 |
2 |
| Braskem America, Inc. | 191 |
2 |
| FINA Technology, Inc. | 514 |
2 |
| GreenMantra Recycling Technologies Ltd. | 67 |
2 |
| Kellogg Brown & Root LLC | 519 |
2 |
| Korea Research Institute of Chemical Technology | 1380 |
2 |
| Repsol, S.A. | 462 |
2 |
| Saudi Arabian Oil Company | 12891 |
2 |
| The Trustees of Princeton University | 1199 |
2 |
| Other owners | 45 |