- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 111/21 - Efflorescence resistance
Patent holdings for IPC class C04B 111/21
Total number of patents in this class: 47
10-year publication summary
|
3
|
5
|
4
|
4
|
3
|
4
|
4
|
3
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CR Minerals Company, LLC | 24 |
14 |
| Sika Technology AG | 2953 |
3 |
| Etex Services NV | 59 |
3 |
| Chryso | 51 |
2 |
| Parexgroup SA | 32 |
2 |
| Sociedad Industrial Pizarreno | 3 |
2 |
| Imertech SAS | 238 |
2 |
| J&P Invesco LLC | 17 |
2 |
| EM Resources LLC | 37 |
2 |
| Starcin Holding France | 88 |
2 |
| The Dow Chemical Company | 666 |
1 |
| Dow Global Technologies LLC | 10798 |
1 |
| CarbonCure Technologies Inc. | 87 |
1 |
| Celanese International Corporation | 911 |
1 |
| Cement Australia Pty Limited | 3 |
1 |
| King Faisal University | 927 |
1 |
| King Saud University | 490 |
1 |
| Korea Institute of Civil Engineering and Building Technology | 138 |
1 |
| Toho Chemical Industry Co., Ltd. | 29 |
1 |
| Tri-texco Inc. | 9 |
1 |
| Other owners | 3 |