- All sections
- C - Chemistrymetallurgy
- C08C - Treatment or chemical modification of rubbers
- C08C 19/42 - Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with metals or metal-containing groups
Patent holdings for IPC class C08C 19/42
Total number of patents in this class: 44
10-year publication summary
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4
|
2
|
6
|
6
|
2
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1
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5
|
1
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7147 |
13 |
| Sumitomo Chemical Company, Limited | 8988 |
4 |
| The Yokohama Rubber Co., Ltd. | 3961 |
4 |
| Compagnie Generale des Etablissements Michelin | 4621 |
4 |
| LG Chem, Ltd. | 17639 |
3 |
| Michelin Recherche et Technique S.A. | 2236 |
3 |
| Trinseo Europe GmbH | 327 |
3 |
| Compagnie générale des établissements Michelin SCA | 2519 |
2 |
| JSR Corporation | 2476 |
2 |
| The Regents of the University of California | 19517 |
1 |
| Sumitomo Rubber Industries, Ltd. | 4406 |
1 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1187 |
1 |
| Pirelli Tyre S.p.A. | 1870 |
1 |
| Versalis S.P.A. | 539 |
1 |
| Zeon Corporation | 3995 |
1 |
| Other owners | 0 |