- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 7/42 - Active ingredients added before, or during, the burning process
Patent holdings for IPC class C04B 7/42
Total number of patents in this class: 83
10-year publication summary
|
1
|
2
|
3
|
1
|
5
|
7
|
6
|
6
|
14
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Brimstone Energy Inc. | 18 |
4 |
| ThyssenKrupp AG | 3311 |
3 |
| University of Kentucky Research Foundation | 701 |
3 |
| Mitsubishi Ube Cement Corporation | 53 |
3 |
| California Institute of Technology | 3984 |
2 |
| Wisconsin Alumni Research Foundation | 3884 |
2 |
| Greencraft LLC | 32 |
2 |
| Holcim Technology Ltd. | 780 |
2 |
| Nanjing Tech University | 267 |
2 |
| Taiheiyo Cement Corporation | 243 |
2 |
| ThyssenKrupp Industrial Solutions AG | 632 |
2 |
| Carbon Upcycling Technologies Inc. | 32 |
2 |
| Fine Powder Technologies Pty Ltd | 5 |
2 |
| Hunan University of Science and Technology | 66 |
2 |
| Arelac, Inc. | 107 |
2 |
| Beijing Hongkeruida Engineering Co., Ltd. | 2 |
2 |
| Hunan Xiangchu Xianlu Environmental Protection Technology Co., Ltd. | 3 |
2 |
| University of Florida Research Foundation, Inc. | 4053 |
1 |
| Calucem GmbH | 18 |
1 |
| City University of Hong Kong | 862 |
1 |
| Other owners | 41 |