- 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: 37
10-year publication summary
|
1
|
6
|
5
|
3
|
6
|
3
|
1
|
2
|
1
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17205 |
9 |
| Michelin Recherche et Technique S.A. | 2328 |
4 |
| Evonik Operations GmbH | 3879 |
3 |
| Centre National de La Recherche Scientifique | 9632 |
2 |
| Compagnie générale des établissements Michelin SCA | 2477 |
2 |
| Arlanxeo Deutschland GmbH | 302 |
2 |
| Bostik SA | 602 |
2 |
| Universite de Rennes 1 | 434 |
2 |
| Compagnie Generale des Etablissements Michelin | 4450 |
2 |
| BASF SE | 19740 |
1 |
| Industrial Technology Research Institute | 4898 |
1 |
| ExxonMobil Chemical Patents Inc. | 4286 |
1 |
| Sumitomo Rubber Industries, Ltd. | 4421 |
1 |
| Korea Kumho Petrochemical Co., Ltd. | 172 |
1 |
| Zeon Corporation | 3854 |
1 |
| Arlanxeo Singapore Pte. Ltd. | 88 |
1 |
| Canon Kabushiki Kaisha | 6884 |
1 |
| Jiangsu Cheeshine Performance Materials Co., Ltd | 6 |
1 |
| Other owners | 0 |