- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 21/00 - Fireproofing materials
Patent holdings for IPC class C09K 21/00
Total number of patents in this class: 226
10-year publication summary
|
12
|
21
|
14
|
6
|
20
|
18
|
11
|
6
|
8
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hilti Aktiengesellschaft | 3459 |
6 |
| American Lithium Energy Corporation | 54 |
4 |
| Milliken & Company | 1196 |
4 |
| 3m Innovative Properties Company | 17855 |
3 |
| BASF SE | 20803 |
3 |
| Case Western Reserve University | 1804 |
3 |
| J.M. Huber Corporation | 130 |
3 |
| SABIC Global Technologies B.V. | 4302 |
3 |
| Nano Fire, LLC | 16 |
3 |
| LG Chem, Ltd. | 17564 |
2 |
| Sony Corporation | 31138 |
2 |
| DSM IP Assets B.V. | 5603 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10879 |
2 |
| Armstrong World Industries, Inc. | 353 |
2 |
| BLH Technologies Inc. | 29 |
2 |
| Carl Freudenberg KG | 1368 |
2 |
| The Chemours Company Fc, LLC | 1208 |
2 |
| Emseal Joint Systems Ltd. | 13 |
2 |
| Equistar Chemicals, LP | 346 |
2 |
| FP Wood Oy | 3 |
2 |
| Other owners | 172 |