- 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: 1195
10-year publication summary
76
|
87
|
90
|
101
|
97
|
96
|
105
|
76
|
75
|
51
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Idemitsu Kosan Co., Ltd. | 4214 |
49 |
LG Chem, Ltd. | 17615 |
36 |
SABIC Global Technologies B.V. | 4332 |
33 |
SHPP Global Technologies B.V. | 1083 |
27 |
Dow Global Technologies LLC | 10353 |
25 |
Shin-Etsu Chemical Co., Ltd. | 5644 |
23 |
Mitsubishi Engineering-Plastics Corporation | 308 |
20 |
FUJIFILM Corporation | 29329 |
19 |
Mitsubishi Chemical Corporation | 4496 |
18 |
Daikin Industries, Ltd. | 9995 |
16 |
Borealis AG | 2803 |
16 |
Kingfa SCI & Tech Co. Ltd. | 631 |
16 |
3m Innovative Properties Company | 17852 |
14 |
BASF SE | 20912 |
13 |
Xerox Corporation | 7020 |
13 |
Sabic Innovative Plastics IP B.V. | 681 |
13 |
Covestro Deutschland AG | 2747 |
13 |
Kao Corporation | 4964 |
12 |
Kaneka Corporation | 4519 |
12 |
JSR Corporation | 2512 |
12 |
Other owners | 795 |