- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/40 - ThiuramsulfidesThiurampolysulfides, e.g. compounds containing groups
Patent holdings for IPC class C08K 5/40
Total number of patents in this class: 172
10-year publication summary
|
14
|
13
|
18
|
15
|
17
|
11
|
12
|
9
|
13
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7280 |
39 |
| The Yokohama Rubber Co., Ltd. | 4116 |
11 |
| Sumitomo Rubber Industries, Ltd. | 4729 |
10 |
| NOK Corporation | 2304 |
8 |
| Church & Dwight Co., Inc. | 1784 |
6 |
| Compagnie Generale des Etablissements Michelin | 4973 |
6 |
| Arkema Inc. | 1061 |
5 |
| Denka Company Limited | 2738 |
5 |
| The Boeing Company | 20176 |
4 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 577 |
4 |
| Lanxess Deutschland GmbH | 1142 |
4 |
| The Goodyear Tire & Rubber Company | 2391 |
3 |
| Tokai Rubber Industries, Ltd. | 162 |
3 |
| Dow Silicones Corporation | 2127 |
3 |
| Hyundai Motor Company | 24787 |
2 |
| Toyoda Gosei Co., Ltd. | 1856 |
2 |
| Compagnie générale des établissements Michelin SCA | 2723 |
2 |
| Michelin Recherche et Technique S.A. | 2083 |
2 |
| Henkel AG & Co. KGaA | 10768 |
2 |
| Ansell Limited | 480 |
2 |
| Other owners | 49 |