- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications 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: 221
10-year publication summary
|
21
|
12
|
21
|
14
|
6
|
20
|
17
|
9
|
6
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hilti Aktiengesellschaft | 3227 |
6 |
| American Lithium Energy Corporation | 48 |
4 |
| Milliken & Company | 1253 |
4 |
| 3m Innovative Properties Company | 18406 |
3 |
| BASF SE | 19740 |
3 |
| DSM IP Assets B.V. | 5856 |
3 |
| Case Western Reserve University | 1727 |
3 |
| J.M. Huber Corporation | 155 |
3 |
| SABIC Global Technologies B.V. | 4044 |
3 |
| Nano Fire, LLC | 19 |
3 |
| Sony Corporation | 32931 |
2 |
| Dow Global Technologies LLC | 10147 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
2 |
| Armstrong World Industries, Inc. | 347 |
2 |
| BLH Technologies Inc. | 31 |
2 |
| Carl Freudenberg KG | 1346 |
2 |
| The Chemours Company Fc, LLC | 1107 |
2 |
| Cytec Industries Inc. | 407 |
2 |
| Distribution International Southwest, Inc | 8 |
2 |
| Emseal Joint Systems Ltd. | 14 |
2 |
| Other owners | 166 |