- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/46 - Heterocyclic compounds having sulfur in the ring with oxygen or nitrogen in the ring
Patent holdings for IPC class C08K 5/46
Total number of patents in this class: 189
10-year publication summary
|
9
|
15
|
12
|
28
|
11
|
19
|
13
|
11
|
6
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeon Corporation | 4151 |
18 |
| Michelin Recherche et Technique S.A. | 2083 |
6 |
| Unimatec Co., Ltd. | 237 |
6 |
| BASF SE | 21308 |
5 |
| FUJIFILM Corporation | 30516 |
5 |
| Compagnie Generale des Etablissements Michelin | 4971 |
5 |
| LG Chem, Ltd. | 17929 |
4 |
| Sumitomo Chemical Company, Limited | 8968 |
4 |
| Bridgestone Corporation | 7262 |
4 |
| Henkel AG & Co. KGaA | 10762 |
4 |
| Denka Company Limited | 2728 |
4 |
| Tokuyama Corporation | 1481 |
4 |
| Toyo Seikan Group Holdings, Ltd. | 854 |
4 |
| 3m Innovative Properties Company | 17481 |
3 |
| The Yokohama Rubber Co., Ltd. | 4116 |
3 |
| Adeka Corporation | 1379 |
3 |
| Societe de Technologie Michelin | 508 |
3 |
| The Boeing Company | 20163 |
2 |
| Konica Minolta, Inc. | 9125 |
2 |
| Continental Reifen Deutschland GmbH | 2540 |
2 |
| Other owners | 98 |