- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 21/04 - Inorganic materials containing phosphorus
Patent holdings for IPC class C09K 21/04
Total number of patents in this class: 297
10-year publication summary
|
22
|
23
|
25
|
37
|
27
|
22
|
43
|
13
|
13
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecochem International, naamloze vennootschap | 22 |
15 |
| Adeka Corporation | 1340 |
13 |
| Clariant International Ltd. | 955 |
10 |
| 3m Innovative Properties Company | 17955 |
9 |
| Perimeter Solutions LP, Perimeter Solutions Inc., a Delaware corporation | 74 |
8 |
| Sekisui Chemical Co., Ltd. | 3303 |
7 |
| Hilti Aktiengesellschaft | 3372 |
6 |
| X'aan Innovations Inc. | 7 |
5 |
| BASF SE | 20387 |
4 |
| Armstrong World Industries, Inc. | 349 |
4 |
| ElkCorp | 12 |
4 |
| Italmatch Chemicals SpA | 119 |
4 |
| Chestnut Springs LLC | 5 |
4 |
| Nitto Denko Corporation | 8073 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 29620 |
3 |
| Borealis AG | 2699 |
3 |
| Daihachi Chemical Industry Co., Ltd. | 62 |
3 |
| J.M. Huber Corporation | 136 |
3 |
| Koppers Performance Chemicals Inc. | 130 |
3 |
| Nichias Corporation | 387 |
3 |
| Other owners | 183 |