- All sections
- C - Chemistrymetallurgy
- 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
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6
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4
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3
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6
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3
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1
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1
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1
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3
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Xinmei Fontana Holding (Hong Kong) Limited | 157 |
7 |
| Michelin Recherche et Technique S.A. | 2141 |
4 |
| Evonik Operations GmbH | 4163 |
4 |
| LG Chem, Ltd. | 17682 |
2 |
| Centre National de La Recherche Scientifique | 10666 |
2 |
| Compagnie générale des établissements Michelin SCA | 2579 |
2 |
| Arlanxeo Deutschland GmbH | 279 |
2 |
| Bostik SA | 657 |
2 |
| Universite de Rennes 1 | 461 |
2 |
| Compagnie Generale des Etablissements Michelin | 4795 |
2 |
| BASF SE | 21072 |
1 |
| Industrial Technology Research Institute | 5082 |
1 |
| ExxonMobil Chemical Patents Inc. | 3949 |
1 |
| Sumitomo Rubber Industries, Ltd. | 4673 |
1 |
| Korea Kumho Petrochemical Co., Ltd. | 190 |
1 |
| Zeon Corporation | 4113 |
1 |
| Arlanxeo Singapore Pte. Ltd. | 72 |
1 |
| Canon Kabushiki Kaisha | 7143 |
1 |
| Toyo Tire Corporation | 1011 |
1 |
| Jiangsu Cheeshine Performance Materials Co., Ltd | 7 |
1 |
| Other owners | 0 |