- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 24/42 - Compounds having one or more carbon-to-silicon linkages
Patent holdings for IPC class C04B 24/42
Total number of patents in this class: 296
10-year publication summary
|
13
|
22
|
10
|
23
|
23
|
23
|
27
|
27
|
36
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wacker Chemie AG | 2114 |
26 |
| Dow Silicones Corporation | 1958 |
11 |
| Halliburton Energy Services, Inc. | 20946 |
9 |
| Evonik Degussa GmbH | 1492 |
9 |
| CertainTeed Gypsum, Inc. | 209 |
9 |
| Dow Corning Corporation | 959 |
8 |
| Knauf Gips KG | 607 |
7 |
| Qingdao University of Technology | 621 |
6 |
| Evonik Operations GmbH | 4166 |
6 |
| Saint-Gobain Placo | 230 |
5 |
| Saudi Arabian Oil Company | 13372 |
5 |
| Sika Technology AG | 2875 |
5 |
| Hilti Aktiengesellschaft | 3510 |
4 |
| United States Gypsum Company | 905 |
4 |
| Yoshino Gypsum Co., Ltd. | 254 |
4 |
| Etex Building Performance International SAS | 76 |
4 |
| Dow Toray Co., Ltd. | 573 |
4 |
| Kzj New Materials Group Co., Ltd. | 52 |
4 |
| Gold Bond Building Products, LLC | 195 |
4 |
| BASF SE | 20991 |
3 |
| Other owners | 159 |