- 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: 66
10-year publication summary
|
2
|
6
|
4
|
3
|
2
|
4
|
6
|
6
|
7
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sika Technology AG | 3004 |
9 |
| GCP Applied Technologies Inc. | 473 |
8 |
| Kao Corporation | 5076 |
6 |
| BASF SE | 21303 |
4 |
| Construction Research & Technology GmbH | 602 |
4 |
| Starcin Holding France | 90 |
4 |
| Ericsson | 22717 |
2 |
| Chryso | 51 |
2 |
| HeidelbergCement AG | 78 |
2 |
| Huntsman Petrochemical LLC | 310 |
2 |
| United States Gypsum Company | 927 |
2 |
| Beijing University of Technology | 520 |
1 |
| CEMEX, S.A.B. de C.V. | 116 |
1 |
| COATEX une société par actions simplifiée | 175 |
1 |
| Gerdau S.A. | 14 |
1 |
| Holcim Technology Ltd. | 485 |
1 |
| Lafarge | 120 |
1 |
| MAPEI S.p.A. | 572 |
1 |
| Nanjing University of Technology | 93 |
1 |
| Nippon Chemical Industrial Co., Ltd. | 293 |
1 |
| Other owners | 12 |