- All sections
- C - Chemistry; metallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/42 - Sulfonic acids; Derivatives thereof
Patent holdings for IPC class C08K 5/42
Total number of patents in this class: 1119
10-year publication summary
|
96
|
76
|
87
|
90
|
100
|
97
|
95
|
100
|
72
|
22
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 3995 |
46 |
| SABIC Global Technologies B.V. | 4044 |
34 |
| LG Chem, Ltd. | 17205 |
33 |
| Dow Global Technologies LLC | 10147 |
25 |
| SHPP Global Technologies B.V. | 1045 |
25 |
| Mitsubishi Engineering-Plastics Corporation | 311 |
22 |
| FUJIFILM Corporation | 27102 |
17 |
| Borealis AG | 2558 |
16 |
| 3m Innovative Properties Company | 18406 |
15 |
| Mitsubishi Chemical Corporation | 4313 |
15 |
| BASF SE | 19740 |
14 |
| Kingfa SCI & Tech Co. Ltd. | 509 |
14 |
| Xerox Corporation | 7503 |
13 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
13 |
| Sabic Innovative Plastics IP B.V. | 683 |
13 |
| Kaneka Corporation | 4445 |
13 |
| Kao Corporation | 4843 |
12 |
| Daikin Industries, Ltd. | 9495 |
12 |
| Nissan Chemical Corporation | 1725 |
12 |
| Sumitomo Chemical Company, Limited | 8808 |
11 |
| Other owners | 744 |