- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 103/52 - Grinding aids
Patent holdings for IPC class C04B 103/52
Total number of patents in this class: 63
10-year publication summary
|
5
|
2
|
6
|
4
|
3
|
2
|
4
|
5
|
5
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sika Technology AG | 2875 |
9 |
| GCP Applied Technologies Inc. | 469 |
7 |
| Kao Corporation | 4979 |
6 |
| Chryso | 116 |
5 |
| BASF SE | 20979 |
4 |
| Construction Research & Technology GmbH | 641 |
4 |
| Ericsson | 21888 |
2 |
| HeidelbergCement AG | 79 |
2 |
| Huntsman Petrochemical LLC | 295 |
2 |
| United States Gypsum Company | 907 |
2 |
| Cemex Innovation Holding AG | 21 |
2 |
| Beijing University of Technology | 497 |
1 |
| COATEX une société par actions simplifiée | 166 |
1 |
| Gerdau S.A. | 11 |
1 |
| Holcim Technology Ltd. | 778 |
1 |
| Knauf Gips KG | 607 |
1 |
| Lafarge | 128 |
1 |
| MAPEI S.p.A. | 579 |
1 |
| Nanjing University of Technology | 93 |
1 |
| Nippon Chemical Industrial Co., Ltd. | 287 |
1 |
| Other owners | 9 |