- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 3/26 - CarbonatesBicarbonates
Patent holdings for IPC class C08K 3/26
Total number of patents in this class: 2791
10-year publication summary
189
|
243
|
259
|
268
|
281
|
260
|
262
|
176
|
217
|
127
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Omya International AG | 774 |
136 |
BASF SE | 20933 |
63 |
Dow Global Technologies LLC | 10363 |
56 |
Sika Technology AG | 2867 |
44 |
THK Co., Ltd. | 1196 |
44 |
Kingfa SCI & Tech Co. Ltd. | 635 |
32 |
3m Innovative Properties Company | 17833 |
29 |
Borealis AG | 2803 |
27 |
Dow Silicones Corporation | 1921 |
27 |
LG Chem, Ltd. | 17632 |
24 |
DIC Corporation | 3794 |
24 |
Adeka Corporation | 1362 |
23 |
Henkel AG & Co. KGaA | 10572 |
22 |
Arkema France | 4110 |
21 |
Polyplastics Co., Ltd. | 603 |
21 |
Fujikura Ltd. | 2933 |
20 |
Kaneka Corporation | 4522 |
18 |
Bridgestone Corporation | 7238 |
16 |
Rohm and Haas Company | 2906 |
16 |
Wacker Chemie AG | 2106 |
16 |
Other owners | 2112 |