- 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: 487
10-year publication summary
29
|
31
|
36
|
50
|
34
|
27
|
40
|
35
|
46
|
26
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sika Technology AG | 2873 |
33 |
GCP Applied Technologies Inc. | 468 |
31 |
Kao Corporation | 4979 |
28 |
Saudi Arabian Oil Company | 13316 |
22 |
Yoshino Gypsum Co., Ltd. | 252 |
18 |
Chryso | 116 |
14 |
Construction Research & Technology GmbH | 641 |
13 |
Nippon Shokubai Co., Ltd. | 1504 |
13 |
Halliburton Energy Services, Inc. | 20937 |
10 |
Takemoto Yushi Kabushiki Kaisha | 172 |
10 |
BASF SE | 20961 |
8 |
BioMason, Inc. | 55 |
7 |
Hilti Aktiengesellschaft | 3503 |
6 |
Gold Bond Building Products, LLC | 194 |
5 |
Evonik Degussa GmbH | 1494 |
4 |
Denka Company Limited | 2602 |
4 |
Holcim Technology Ltd. | 779 |
4 |
Huntsman Petrochemical LLC | 294 |
4 |
Lotte Fine Chemical Co., Ltd. | 102 |
4 |
SNF S.A.S. | 18 |
4 |
Other owners | 245 |