- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/30 - HydrazonesSemicarbazones
Patent holdings for IPC class C08K 5/30
Total number of patents in this class: 37
10-year publication summary
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1
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3
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1
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3
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1
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1
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2
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3
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2
|
1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7277 |
6 |
| Otsuka Chemical Co., Ltd. | 282 |
4 |
| BASF SE | 21306 |
3 |
| Mitsubishi Engineering-Plastics Corporation | 300 |
3 |
| Global Polyacetal Co., Ltd. | 57 |
2 |
| Kalrez USA, LLC | 18 |
2 |
| Canon Inc. | 44051 |
1 |
| Michelin Recherche et Technique S.A. | 2080 |
1 |
| Mitsubishi Chemical Corporation | 4734 |
1 |
| The Yokohama Rubber Co., Ltd. | 4115 |
1 |
| Boe Technology Group Co., Ltd. | 44409 |
1 |
| Agfa-Gevaert | 299 |
1 |
| AlzChem AG | 24 |
1 |
| Alzchem Trostberg GmbH | 261 |
1 |
| Benjamin Moore & Co. | 99 |
1 |
| INVISTA Technologies S.a.r.l. | 388 |
1 |
| New Japan Chemical Co., Ltd. | 76 |
1 |
| Sika Technology AG | 3015 |
1 |
| Solvay Specialty Polymers Italy S.p.A. | 654 |
1 |
| Compagnie Generale des Etablissements Michelin | 4975 |
1 |
| Other owners | 3 |