- 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: 2917
10-year publication summary
|
230
|
243
|
260
|
272
|
253
|
251
|
168
|
215
|
201
|
53
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omya International AG | 772 |
138 |
| BASF SE | 21147 |
66 |
| Dow Global Technologies LLC | 10765 |
61 |
| Sika Technology AG | 2942 |
52 |
| THK Co., Ltd. | 1189 |
46 |
| Kingfa SCI & Tech Co. Ltd. | 663 |
33 |
| 3m Innovative Properties Company | 17546 |
28 |
| Dow Silicones Corporation | 2036 |
27 |
| Henkel AG & Co. KGaA | 10714 |
26 |
| LG Chem, Ltd. | 17810 |
25 |
| Borealis AG | 2738 |
25 |
| Adeka Corporation | 1367 |
24 |
| DIC Corporation | 3897 |
24 |
| Rohm and Haas Company | 2951 |
21 |
| Polyplastics Co., Ltd. | 617 |
21 |
| Kaneka Corporation | 4630 |
20 |
| Fujikura Ltd. | 3036 |
20 |
| Arkema France | 4179 |
20 |
| Bridgestone Corporation | 7239 |
16 |
| Mitsubishi Chemical Corporation | 4683 |
16 |
| Other owners | 2208 |