- All sections
- C - Chemistrymetallurgy
- 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
| 5 | 10 | 5 | 4 | 4 | 3 | 3 | 1 | 1 | 1 | 
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 
Principal owners for this class
| Owner | All patents | This class | 
|---|---|---|
| Bridgestone Corporation | 7218 | 25 | 
| Arlanxeo Deutschland GmbH | 279 | 3 | 
| Lanxess Deutschland GmbH | 1111 | 3 | 
| Dow Global Technologies LLC | 10479 | 2 | 
| Budev B.V. | 6 | 2 | 
| List Holding AG | 41 | 2 | 
| Versalis S.P.A. | 544 | 2 | 
| The Goodyear Tire & Rubber Company | 2459 | 1 | 
| Asahi Kasei Chemicals Corporation | 649 | 1 | 
| Asahi Kasei Kabushiki Kaisha | 2706 | 1 | 
| Association pour les Transferts de Technologies du Mans | 12 | 1 | 
| Cooper Tire & Rubber Company | 43 | 1 | 
| Hitachi Zosen Corporation | 615 | 1 | 
| Lanxess International SA | 20 | 1 | 
| Osaka University | 3393 | 1 | 
| Sekisui Plastics Co., Ltd. | 332 | 1 | 
| Styron Europe GmbH | 48 | 1 | 
| UT-Battelle, LLC | 1470 | 1 | 
| Yulex Corporation | 13 | 1 | 
| Yulex, LLC | 4 | 1 | 
| Other owners | 4 | 
