- All sections
- C - Chemistry; metallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/30 - Hydrazones; Semicarbazones
Patent holdings for IPC class C08K 5/30
Total number of patents in this class: 35
10-year publication summary
|
1
|
5
|
1
|
3
|
1
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3
|
1
|
1
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2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7067 |
6 |
| Mitsubishi Engineering-Plastics Corporation | 311 |
3 |
| Otsuka Chemical Co., Ltd. | 286 |
3 |
| DuPont Polymers, Inc. | 338 |
2 |
| BASF SE | 19740 |
1 |
| Canon Inc. | 36841 |
1 |
| Dow Global Technologies Inc. | 1055 |
1 |
| Michelin Recherche et Technique S.A. | 2328 |
1 |
| The Yokohama Rubber Co., Ltd. | 3929 |
1 |
| Boe Technology Group Co., Ltd. | 35384 |
1 |
| Agfa-Gevaert | 282 |
1 |
| AlzChem AG | 24 |
1 |
| Alzchem Trostberg GmbH | 272 |
1 |
| Benjamin Moore & Co. | 96 |
1 |
| INVISTA Technologies S.a.r.l. | 450 |
1 |
| New Japan Chemical Co., Ltd. | 59 |
1 |
| Polyplastics Co., Ltd. | 563 |
1 |
| Sika Technology AG | 2650 |
1 |
| Solvay Specialty Polymers Italy S.p.A. | 704 |
1 |
| Compagnie Generale des Etablissements Michelin | 4450 |
1 |
| Other owners | 5 |