- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/38 - Thiocarbonic acidsDerivatives thereof, e.g. xanthates
Patent holdings for IPC class C08K 5/38
Total number of patents in this class: 92
10-year publication summary
|
7
|
4
|
5
|
9
|
21
|
11
|
10
|
9
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeon Corporation | 4004 |
16 |
| Allegiance Corporation | 258 |
11 |
| Bridgestone Corporation | 7164 |
7 |
| Denka Company Limited | 2471 |
6 |
| 3m Innovative Properties Company | 17976 |
3 |
| Daicel Corporation | 2252 |
3 |
| Compagnie Generale des Etablissements Michelin | 4625 |
3 |
| Sichuan Huili Industry Co., Ltd. | 7 |
3 |
| Chevron Phillips Chemical Company LP | 1820 |
2 |
| Cytec Industries Inc. | 422 |
2 |
| Milliken & Company | 1216 |
2 |
| Synthomer Sdn. Bhd. | 28 |
2 |
| SI Group Switzerland (CHAA) GmbH | 21 |
2 |
| Siemens AG | 24568 |
1 |
| Kao Corporation | 4921 |
1 |
| Daikin Industries, Ltd. | 9852 |
1 |
| Toray Industries, Inc. | 6859 |
1 |
| Sumitomo Rubber Industries, Ltd. | 4415 |
1 |
| Bando Chemical Industries, Ltd. | 580 |
1 |
| Bank of America, N.A. | 238 |
1 |
| Other owners | 23 |