- All sections
- C - Chemistrymetallurgy
- C08C - Treatment or chemical modification of rubbers
- C08C 1/04 - PurifyingDeproteinising
Patent holdings for IPC class C08C 1/04
Total number of patents in this class: 106
10-year publication summary
|
15
|
8
|
6
|
6
|
9
|
9
|
4
|
3
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7262 |
40 |
| Sumitomo Rubber Industries, Ltd. | 4727 |
10 |
| Budev B.V. | 6 |
4 |
| Versalis S.P.A. | 529 |
4 |
| Compagnie Generale des Etablissements Michelin | 4971 |
4 |
| Kultevat, Inc. | 10 |
3 |
| Toyo Tire & Rubber Co., Ltd. | 487 |
2 |
| Zeon Corporation | 4151 |
2 |
| Zoz GmbH | 8 |
2 |
| Sri Trang Gloves (Thailand) Public Company Limited | 14 |
2 |
| Merck Patent GmbH | 5729 |
1 |
| Nike, Inc. | 14828 |
1 |
| Nike International Ltd. | 658 |
1 |
| Continental Reifen Deutschland GmbH | 2540 |
1 |
| Showa Denko K.K. | 2069 |
1 |
| Aalto University Foundation | 318 |
1 |
| Association pour les Transferts de Technologies du Mans | 9 |
1 |
| Cooper Tire & Rubber Company | 41 |
1 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 578 |
1 |
| Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung eingetragener Verein | 91 |
1 |
| Other owners | 23 |