- 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: 1202
10-year publication summary
|
75
|
83
|
85
|
97
|
91
|
93
|
102
|
72
|
75
|
70
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4239 |
50 |
| LG Chem, Ltd. | 17682 |
36 |
| SABIC Global Technologies B.V. | 4388 |
34 |
| SHPP Global Technologies B.V. | 1089 |
27 |
| Dow Global Technologies LLC | 10509 |
25 |
| Shin-Etsu Chemical Co., Ltd. | 5745 |
24 |
| Mitsubishi Engineering-Plastics Corporation | 308 |
22 |
| FUJIFILM Corporation | 29752 |
20 |
| Mitsubishi Chemical Corporation | 4593 |
20 |
| Daikin Industries, Ltd. | 10142 |
16 |
| Borealis AG | 2778 |
16 |
| Kingfa SCI & Tech Co. Ltd. | 655 |
16 |
| BASF SE | 21080 |
15 |
| 3m Innovative Properties Company | 17752 |
14 |
| Xerox Corporation | 6946 |
13 |
| Sabic Innovative Plastics IP B.V. | 681 |
13 |
| Covestro Deutschland AG | 2784 |
13 |
| Nissan Chemical Corporation | 2093 |
13 |
| Kao Corporation | 4995 |
12 |
| JSR Corporation | 2535 |
12 |
| Other owners | 791 |