- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 24/12 - Nitrogen containing compounds
Patent holdings for IPC class C04B 24/12
Total number of patents in this class: 495
10-year publication summary
|
29
|
31
|
36
|
50
|
34
|
27
|
40
|
35
|
46
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sika Technology AG | 2892 |
33 |
| GCP Applied Technologies Inc. | 470 |
31 |
| Kao Corporation | 4990 |
28 |
| Saudi Arabian Oil Company | 13540 |
22 |
| Yoshino Gypsum Co., Ltd. | 254 |
18 |
| Chryso | 118 |
14 |
| Construction Research & Technology GmbH | 637 |
13 |
| Nippon Shokubai Co., Ltd. | 1502 |
13 |
| Halliburton Energy Services, Inc. | 21019 |
10 |
| Takemoto Yushi Kabushiki Kaisha | 172 |
10 |
| BASF SE | 21078 |
8 |
| BioMason, Inc. | 54 |
7 |
| Hilti Aktiengesellschaft | 3523 |
6 |
| Gold Bond Building Products, LLC | 202 |
5 |
| Evonik Degussa GmbH | 1469 |
4 |
| Denka Company Limited | 2648 |
4 |
| Holcim Technology Ltd. | 661 |
4 |
| Huntsman Petrochemical LLC | 297 |
4 |
| Lotte Fine Chemical Co., Ltd. | 103 |
4 |
| SNF S.A.S. | 18 |
4 |
| Other owners | 253 |