- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/17 - AminesQuaternary ammonium compounds
Patent holdings for IPC class C08K 5/17
Total number of patents in this class: 2112
10-year publication summary
|
142
|
137
|
179
|
222
|
230
|
186
|
157
|
150
|
150
|
41
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeon Corporation | 4065 |
58 |
| Dow Global Technologies LLC | 10328 |
54 |
| BASF SE | 20728 |
47 |
| LG Chem, Ltd. | 17538 |
45 |
| Bridgestone Corporation | 7204 |
32 |
| 3m Innovative Properties Company | 17848 |
28 |
| Sumitomo Chemical Company, Limited | 8998 |
28 |
| FUJIFILM Corporation | 29188 |
25 |
| Compagnie Generale des Etablissements Michelin | 4675 |
21 |
| Toray Industries, Inc. | 6867 |
20 |
| Mitsubishi Chemical Corporation | 4473 |
18 |
| Henkel AG & Co. KGaA | 10424 |
18 |
| Michelin Recherche et Technique S.A. | 2203 |
17 |
| Kao Corporation | 4939 |
16 |
| Rohm and Haas Company | 2898 |
16 |
| Sumitomo Rubber Industries, Ltd. | 4472 |
16 |
| Kaneka Corporation | 4488 |
15 |
| DIC Corporation | 3742 |
15 |
| Mitsubishi Gas Chemical Company, Inc. | 3421 |
15 |
| Sika Technology AG | 2837 |
15 |
| Other owners | 1593 |