- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 28/12 - Hydraulic lime
Patent holdings for IPC class C04B 28/12
Total number of patents in this class: 142
10-year publication summary
|
8
|
9
|
10
|
5
|
13
|
8
|
14
|
19
|
11
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sika Technology AG | 2873 |
11 |
| Adaptavate Ltd | 17 |
8 |
| Graymont Western Canada Inc. | 44 |
7 |
| Construction Research & Technology GmbH | 641 |
6 |
| Saint-Gobain Weber | 172 |
5 |
| Halliburton Energy Services, Inc. | 20937 |
4 |
| Parexgroup SA | 33 |
4 |
| Ecocem Materials Ltd. | 42 |
4 |
| Knauf Gips KG | 604 |
3 |
| Saint-Gobain Weber France | 59 |
3 |
| Yildiz Teknik Universitesi | 160 |
3 |
| British Columbia Institute of Technology | 40 |
2 |
| Holcim Technology Ltd. | 779 |
2 |
| Institut National des Sciences Appliquees de Toulouse | 118 |
2 |
| Secil - Companhia Geral de Cal e Cimento, S.A. | 6 |
2 |
| Stonecoat of Texas, LLC | 2 |
2 |
| United States Gypsum Company | 909 |
2 |
| Universite Paul Sabatier Toulouse III | 475 |
2 |
| Vicat | 98 |
2 |
| Yoshino Gypsum Co., Ltd. | 252 |
2 |
| Other owners | 66 |