- All sections
- C - Chemistry; metallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 3/26 - Carbonates; Bicarbonates
Patent holdings for IPC class C08K 3/26
Total number of patents in this class: 2675
10-year publication summary
|
189
|
243
|
259
|
268
|
279
|
259
|
255
|
167
|
212
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omya International AG | 810 |
138 |
| BASF SE | 20367 |
57 |
| Dow Global Technologies LLC | 10139 |
51 |
| THK Co., Ltd. | 1218 |
43 |
| Sika Technology AG | 2840 |
40 |
| 3m Innovative Properties Company | 17968 |
29 |
| Borealis AG | 2698 |
27 |
| Kingfa SCI & Tech Co. Ltd. | 576 |
27 |
| Dow Silicones Corporation | 1797 |
25 |
| LG Chem, Ltd. | 17620 |
23 |
| Adeka Corporation | 1339 |
23 |
| DIC Corporation | 3647 |
22 |
| Polyplastics Co., Ltd. | 577 |
21 |
| Fujikura Ltd. | 2858 |
20 |
| Arkema France | 3888 |
20 |
| Henkel AG & Co. KGaA | 10337 |
19 |
| Kaneka Corporation | 4483 |
17 |
| Wacker Chemie AG | 2097 |
16 |
| Bridgestone Corporation | 7138 |
15 |
| Shin-Etsu Chemical Co., Ltd. | 5437 |
15 |
| Other owners | 2027 |