- All sections
- C - Chemistry; metallurgy
- C08C - Treatment or chemical modification of rubbers
- C08C 19/40 - Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with oxygen or oxygen-containing groups with epoxy radicals
Patent holdings for IPC class C08C 19/40
Total number of patents in this class: 39
10-year publication summary
|
6
|
5
|
3
|
6
|
3
|
1
|
2
|
1
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17632 |
9 |
| Evonik Operations GmbH | 4022 |
5 |
| Michelin Recherche et Technique S.A. | 2238 |
4 |
| Centre National de La Recherche Scientifique | 10068 |
2 |
| Compagnie générale des établissements Michelin SCA | 2512 |
2 |
| Arlanxeo Deutschland GmbH | 297 |
2 |
| Bostik SA | 633 |
2 |
| Universite de Rennes 1 | 453 |
2 |
| Compagnie Generale des Etablissements Michelin | 4615 |
2 |
| BASF SE | 20387 |
1 |
| Industrial Technology Research Institute | 4960 |
1 |
| ExxonMobil Chemical Patents Inc. | 4117 |
1 |
| Sumitomo Rubber Industries, Ltd. | 4402 |
1 |
| Korea Kumho Petrochemical Co., Ltd. | 184 |
1 |
| Zeon Corporation | 3989 |
1 |
| Arlanxeo Singapore Pte. Ltd. | 82 |
1 |
| Canon Kabushiki Kaisha | 6939 |
1 |
| Jiangsu Cheeshine Performance Materials Co., Ltd | 7 |
1 |
| Other owners | 0 |