- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 7/22 - Expanded, porous or hollow particles
Patent holdings for IPC class C08K 7/22
Total number of patents in this class: 462
10-year publication summary
|
23
|
30
|
31
|
39
|
33
|
23
|
35
|
29
|
31
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21308 |
15 |
| Zeon Corporation | 4151 |
13 |
| 3m Innovative Properties Company | 17481 |
11 |
| LG Chem, Ltd. | 17929 |
11 |
| Henkel AG & Co. KGaA | 10762 |
11 |
| Dow Global Technologies LLC | 10960 |
7 |
| Saint-Gobain Performance Plastics Corporation | 1050 |
7 |
| Tesa SE | 1127 |
7 |
| Tokuyama Corporation | 1481 |
7 |
| Matsumoto Yushi-Seiyaku Co., Ltd. | 188 |
6 |
| Samsung SDI Co., Ltd. | 10624 |
5 |
| Sekisui Chemical Co., Ltd. | 3619 |
5 |
| Waymo LLC | 3315 |
5 |
| Resonac Corporation | 3546 |
5 |
| Polymer Adhesives Sealant Systems, LLC | 16 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
4 |
| Sumitomo Chemical Company, Limited | 8968 |
4 |
| PPG Industries Ohio, Inc. | 3328 |
4 |
| Mankiewicz Gebr. & Co. GmbH & Co. KG | 124 |
4 |
| Sika Technology AG | 3006 |
4 |
| Other owners | 322 |