- 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: 1223
10-year publication summary
|
87
|
90
|
101
|
97
|
96
|
106
|
81
|
76
|
75
|
39
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4241 |
51 |
| LG Chem, Ltd. | 17929 |
36 |
| SABIC Global Technologies B.V. | 4599 |
35 |
| Mitsubishi Engineering-Plastics Corporation | 300 |
28 |
| SHPP Global Technologies B.V. | 1102 |
28 |
| Shin-Etsu Chemical Co., Ltd. | 6109 |
25 |
| Dow Global Technologies LLC | 10960 |
25 |
| FUJIFILM Corporation | 30516 |
21 |
| Mitsubishi Chemical Corporation | 4723 |
20 |
| Kingfa SCI & Tech Co. Ltd. | 704 |
17 |
| BASF SE | 21308 |
15 |
| Daikin Industries, Ltd. | 10504 |
15 |
| Borealis AG | 2736 |
15 |
| 3m Innovative Properties Company | 17481 |
14 |
| Covestro Deutschland AG | 2833 |
14 |
| Nissan Chemical Corporation | 2229 |
13 |
| Kao Corporation | 5076 |
12 |
| JSR Corporation | 2558 |
12 |
| Sabic Innovative Plastics IP B.V. | 589 |
11 |
| Kaneka Corporation | 4713 |
11 |
| Other owners | 805 |