- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/18 - AminesQuaternary ammonium compounds with aromatically bound amino groups
Patent holdings for IPC class C08K 5/18
Total number of patents in this class: 848
10-year publication summary
|
67
|
60
|
68
|
94
|
62
|
56
|
75
|
68
|
65
|
59
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7259 |
54 |
| Compagnie générale des établissements Michelin SCA | 2716 |
30 |
| BASF SE | 21303 |
20 |
| Dow Global Technologies LLC | 10944 |
19 |
| Sennics Co., Ltd. | 100 |
19 |
| Compagnie Generale des Etablissements Michelin | 4970 |
18 |
| Sumitomo Rubber Industries, Ltd. | 4726 |
15 |
| Covestro Deutschland AG | 2833 |
13 |
| Daikin Industries, Ltd. | 10499 |
10 |
| Eastman Chemical Company | 2087 |
10 |
| Zeon Corporation | 4147 |
10 |
| 3m Innovative Properties Company | 17478 |
9 |
| LG Chem, Ltd. | 17921 |
9 |
| FUJIFILM Corporation | 30514 |
9 |
| Flexsys IP Holdings, LLC | 33 |
9 |
| Sumitomo Chemical Company, Limited | 9016 |
8 |
| Aldeyra Therapeutics, Inc. | 98 |
8 |
| Denka Company Limited | 2720 |
8 |
| Lanxess Deutschland GmbH | 1139 |
8 |
| Mitsubishi Gas Chemical Company, Inc. | 3622 |
8 |
| Other owners | 554 |