- All sections
- C - Chemistry; metallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/17 - Amines; Quaternary ammonium compounds
Patent holdings for IPC class C08K 5/17
Total number of patents in this class: 2000
10-year publication summary
|
130
|
142
|
137
|
179
|
221
|
230
|
181
|
154
|
143
|
50
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeon Corporation | 3854 |
59 |
| Dow Global Technologies LLC | 10147 |
54 |
| BASF SE | 19740 |
44 |
| LG Chem, Ltd. | 17205 |
38 |
| Bridgestone Corporation | 7067 |
29 |
| 3m Innovative Properties Company | 18406 |
28 |
| Sumitomo Chemical Company, Limited | 8808 |
28 |
| FUJIFILM Corporation | 27102 |
23 |
| Compagnie Generale des Etablissements Michelin | 4450 |
21 |
| Toray Industries, Inc. | 6652 |
19 |
| Michelin Recherche et Technique S.A. | 2328 |
18 |
| Kaneka Corporation | 4445 |
18 |
| Henkel AG & Co. KGaA | 10129 |
18 |
| Kao Corporation | 4843 |
16 |
| Rohm and Haas Company | 2805 |
16 |
| Sumitomo Rubber Industries, Ltd. | 4421 |
16 |
| Daikin Industries, Ltd. | 9495 |
14 |
| Mitsubishi Chemical Corporation | 4313 |
14 |
| The Yokohama Rubber Co., Ltd. | 3929 |
14 |
| DIC Corporation | 3597 |
14 |
| Other owners | 1499 |