- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 103/30 - Water reducers, plasticisers, air-entrainers
Patent holdings for IPC class C04B 103/30
Total number of patents in this class: 396
10-year publication summary
|
22
|
24
|
31
|
22
|
29
|
39
|
26
|
49
|
59
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sika Technology AG | 2933 |
31 |
| Kzj New Materials Group Co., Ltd. | 52 |
22 |
| Construction Research & Technology GmbH | 624 |
12 |
| Sobute New Materials Co., Ltd. | 39 |
10 |
| Amrize Technology Switzerland LLC | 684 |
9 |
| Nippon Shokubai Co., Ltd. | 1524 |
8 |
| Ecocem Materials Ltd. | 47 |
8 |
| École Normale Superieure Paris-saclay | 71 |
8 |
| Centre National de La Recherche Scientifique | 10830 |
7 |
| GCP Applied Technologies Inc. | 471 |
7 |
| Kao Corporation | 5030 |
6 |
| Hilti Aktiengesellschaft | 3565 |
6 |
| Nanjing Bote New Materials Co, Ltd | 12 |
6 |
| Guangdong University of Technology | 626 |
5 |
| Korea Institute of Civil Engineering and Building Technology | 136 |
5 |
| Bote Building Materials (Tianjin) Co., Ltd | 10 |
4 |
| Chryso | 61 |
4 |
| Shandong University | 1104 |
4 |
| Toho Chemical Industry Co., Ltd. | 29 |
4 |
| United States Gypsum Company | 901 |
4 |
| Other owners | 226 |