- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 7/21 - Mixtures thereof with other inorganic cementitious materials or other activators with calcium sulfate containing activators
Patent holdings for IPC class C04B 7/21
Total number of patents in this class: 24
10-year publication summary
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1
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1
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0
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1
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0
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1
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1
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4
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2
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2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saint-Gobain Weber | 172 |
3 |
| Sika Technology AG | 2875 |
3 |
| Green Binder Technologies Ltd | 3 |
2 |
| Shandong University | 1053 |
2 |
| ACC Limited | 1 |
1 |
| Hebei University of Technology | 37 |
1 |
| Holcim Technology Ltd. | 778 |
1 |
| KERAKOLL S.p.A. | 84 |
1 |
| Nichiha Corporation | 177 |
1 |
| Taiheiyo Cement Corporation | 238 |
1 |
| China ENFI Engineering Corp. | 103 |
1 |
| Metssl Ltd | 1 |
1 |
| Boral Cement Limited | 1 |
1 |
| China Building Materials Academy Co., Ltd. | 26 |
1 |
| The Quikrete Companies, LLC | 10 |
1 |
| China National Building Material Group Co., Ltd. | 107 |
1 |
| China ENFI Engineering Co., Ltd. | 8 |
1 |
| Hsustainability GmbH | 40 |
1 |
| Other owners | 0 |