- 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: 96
10-year publication summary
|
3
|
4
|
1
|
7
|
9
|
6
|
7
|
17
|
9
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ThyssenKrupp AG | 3332 |
4 |
| Brimstone Energy Inc. | 24 |
4 |
| Coolbrook Oy | 74 |
3 |
| Taiheiyo Cement Corporation | 243 |
3 |
| University of Kentucky Research Foundation | 721 |
3 |
| Arelac, Inc. | 118 |
3 |
| Mitsubishi Ube Cement Corporation | 61 |
3 |
| California Institute of Technology | 4038 |
2 |
| Wisconsin Alumni Research Foundation | 3902 |
2 |
| Greencraft LLC | 32 |
2 |
| Holcim Technology Ltd. | 484 |
2 |
| Nanjing Tech University | 298 |
2 |
| ThyssenKrupp Industrial Solutions AG | 630 |
2 |
| Carbon Upcycling Technologies Inc. | 45 |
2 |
| Fine Powder Technologies Pty Ltd | 5 |
2 |
| Hunan University of Science and Technology | 70 |
2 |
| Envicore Inc. | 15 |
2 |
| thyssenkrupp Polysius GmbH | 169 |
2 |
| Beijing Hongkeruida Engineering Co., Ltd. | 2 |
2 |
| Hunan Xiangchu Xianlu Environmental Protection Technology Co., Ltd. | 3 |
2 |
| Other owners | 47 |