- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment 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: 76
10-year publication summary
|
2
|
3
|
4
|
1
|
7
|
9
|
6
|
6
|
14
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Brimstone Energy Inc. | 16 |
4 |
| ThyssenKrupp AG | 3207 |
3 |
| University of Kentucky Research Foundation | 680 |
3 |
| Mitsubishi Ube Cement Corporation | 52 |
3 |
| California Institute of Technology | 3925 |
2 |
| Holcim Technology Ltd. | 961 |
2 |
| Nanjing Tech University | 239 |
2 |
| Taiheiyo Cement Corporation | 238 |
2 |
| ThyssenKrupp Industrial Solutions AG | 700 |
2 |
| Fine Powder Technologies Pty Ltd | 5 |
2 |
| Hunan University of Science and Technology | 59 |
2 |
| Arelac, Inc. | 105 |
2 |
| Hunan Xiangchu Xianlu Environmental Protection Technology Co., Ltd. | 2 |
2 |
| Wisconsin Alumni Research Foundation | 3819 |
1 |
| University of Florida Research Foundation, Inc. | 3951 |
1 |
| Calucem GmbH | 19 |
1 |
| City University of Hong Kong | 769 |
1 |
| Coolbrook Oy | 60 |
1 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 651 |
1 |
| Greencraft LLC | 21 |
1 |
| Other owners | 38 |