- 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: 2074
10-year publication summary
|
142
|
137
|
179
|
221
|
230
|
186
|
154
|
145
|
150
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeon Corporation | 3986 |
59 |
| Dow Global Technologies LLC | 10139 |
53 |
| BASF SE | 20367 |
46 |
| LG Chem, Ltd. | 17620 |
45 |
| Bridgestone Corporation | 7138 |
29 |
| 3m Innovative Properties Company | 17968 |
28 |
| Sumitomo Chemical Company, Limited | 8966 |
28 |
| FUJIFILM Corporation | 28467 |
25 |
| Compagnie Generale des Etablissements Michelin | 4611 |
21 |
| Toray Industries, Inc. | 6843 |
20 |
| Henkel AG & Co. KGaA | 10337 |
19 |
| Michelin Recherche et Technique S.A. | 2238 |
17 |
| Mitsubishi Chemical Corporation | 4430 |
17 |
| Kaneka Corporation | 4483 |
17 |
| Kao Corporation | 4898 |
16 |
| Rohm and Haas Company | 2845 |
16 |
| Sumitomo Rubber Industries, Ltd. | 4403 |
16 |
| DIC Corporation | 3647 |
15 |
| Mitsubishi Gas Chemical Company, Inc. | 3334 |
15 |
| The Yokohama Rubber Co., Ltd. | 3959 |
14 |
| Other owners | 1558 |