- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/42 - Sulfonic acidsDerivatives thereof
Patent holdings for IPC class C08K 5/42
Total number of patents in this class: 1198
10-year publication summary
|
75
|
83
|
85
|
97
|
91
|
93
|
101
|
72
|
75
|
57
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4227 |
49 |
| LG Chem, Ltd. | 17641 |
36 |
| SABIC Global Technologies B.V. | 4353 |
33 |
| SHPP Global Technologies B.V. | 1090 |
27 |
| Dow Global Technologies LLC | 10371 |
25 |
| Shin-Etsu Chemical Co., Ltd. | 5674 |
23 |
| Mitsubishi Engineering-Plastics Corporation | 307 |
20 |
| FUJIFILM Corporation | 29458 |
19 |
| Mitsubishi Chemical Corporation | 4526 |
18 |
| Daikin Industries, Ltd. | 10031 |
17 |
| Borealis AG | 2813 |
16 |
| Kingfa SCI & Tech Co. Ltd. | 640 |
16 |
| 3m Innovative Properties Company | 17820 |
14 |
| BASF SE | 20945 |
13 |
| Xerox Corporation | 6999 |
13 |
| Sabic Innovative Plastics IP B.V. | 681 |
13 |
| Covestro Deutschland AG | 2767 |
13 |
| Nissan Chemical Corporation | 2038 |
13 |
| Kao Corporation | 4968 |
12 |
| Kaneka Corporation | 4544 |
12 |
| Other owners | 796 |