- All sections
- C - Chemistrymetallurgy
- C08C - Treatment or chemical modification of rubbers
- C08C 19/28 - Reaction with compounds containing carbon-to-carbon unsaturated bonds
Patent holdings for IPC class C08C 19/28
Total number of patents in this class: 143
10-year publication summary
|
12
|
7
|
14
|
7
|
8
|
6
|
2
|
4
|
3
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeon Corporation | 4079 |
14 |
| Kuraray Co., Ltd. | 3506 |
9 |
| The Yokohama Rubber Co., Ltd. | 4044 |
7 |
| Compagnie Generale des Etablissements Michelin | 4746 |
7 |
| Centre National de La Recherche Scientifique | 10464 |
6 |
| Michelin Recherche et Technique S.A. | 2164 |
5 |
| Bridgestone Corporation | 7235 |
4 |
| Bostik SA | 647 |
4 |
| Nippon Soda Co., Ltd. | 895 |
4 |
| Universite de Rennes 1 | 457 |
4 |
| LG Chem, Ltd. | 17635 |
3 |
| The Goodyear Tire & Rubber Company | 2499 |
3 |
| Compagnie générale des établissements Michelin SCA | 2562 |
3 |
| Amyris, Inc. | 375 |
3 |
| FINA Technology, Inc. | 514 |
3 |
| Sumitomo Chemical Company, Limited | 9043 |
2 |
| Dow Global Technologies Inc. | 825 |
2 |
| Sumitomo Rubber Industries, Ltd. | 4653 |
2 |
| Arlanxeo Deutschland GmbH | 277 |
2 |
| Hanwha Total Petrochemical Co., Ltd. | 26 |
2 |
| Other owners | 54 |