- All sections
- C - Chemistry; metallurgy
- C08C - Treatment or chemical modification of rubbers
- C08C 2/02 - Purification
Patent holdings for IPC class C08C 2/02
Total number of patents in this class: 56
10-year publication summary
|
7
|
5
|
10
|
5
|
4
|
4
|
4
|
3
|
1
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7067 |
24 |
| Arlanxeo Deutschland GmbH | 302 |
4 |
| Dow Global Technologies LLC | 10147 |
3 |
| Lanxess Deutschland GmbH | 1104 |
3 |
| Budev B.V. | 7 |
2 |
| List Holding AG | 42 |
2 |
| Versalis S.P.A. | 511 |
2 |
| The Goodyear Tire & Rubber Company | 2569 |
1 |
| Asahi Kasei Chemicals Corporation | 809 |
1 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
1 |
| Association pour les Transferts de Technologies du Mans | 16 |
1 |
| Cooper Tire & Rubber Company | 51 |
1 |
| Hitachi Zosen Corporation | 609 |
1 |
| Lanxess International SA | 20 |
1 |
| Osaka University | 3143 |
1 |
| Sekisui Plastics Co., Ltd. | 345 |
1 |
| Styron Europe GmbH | 50 |
1 |
| UT-Battelle, LLC | 1333 |
1 |
| Yulex Corporation | 14 |
1 |
| Yulex, LLC | 15 |
1 |
| Other owners | 3 |