- 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: 41
10-year publication summary
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5
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3
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6
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3
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1
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2
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1
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3
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1
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2
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Xinmei Fontana Holding (Hong Kong) Limited | 155 |
7 |
| Michelin Recherche et Technique S.A. | 2066 |
4 |
| Evonik Operations GmbH | 4446 |
4 |
| Compagnie Generale des Etablissements Michelin | 4995 |
3 |
| LG Chem, Ltd. | 18005 |
2 |
| Centre National de La Recherche Scientifique | 11164 |
2 |
| Compagnie générale des établissements Michelin SCA | 2756 |
2 |
| Arlanxeo Deutschland GmbH | 280 |
2 |
| Bostik SA | 690 |
2 |
| Universite de Rennes 1 | 471 |
2 |
| BASF SE | 21339 |
1 |
| Industrial Technology Research Institute | 5203 |
1 |
| ExxonMobil Chemical Patents Inc. | 3760 |
1 |
| Sumitomo Rubber Industries, Ltd. | 4735 |
1 |
| Korea Kumho Petrochemical Co., Ltd. | 194 |
1 |
| Midori Anzen Co., Ltd. | 98 |
1 |
| Zeon Corporation | 4183 |
1 |
| Arlanxeo Singapore Pte. Ltd. | 71 |
1 |
| Canon Kabushiki Kaisha | 7424 |
1 |
| Toyo Tire Corporation | 1064 |
1 |
| Other owners | 1 |