- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 14/28 - Carbonates of calcium
Patent holdings for IPC class C04B 14/28
Total number of patents in this class: 628
10-year publication summary
|
35
|
44
|
47
|
52
|
45
|
58
|
62
|
82
|
81
|
38
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sika Technology AG | 2995 |
25 |
| Hilti Aktiengesellschaft | 3658 |
24 |
| Omya International AG | 777 |
21 |
| Arelac, Inc. | 115 |
20 |
| LATICRETE International, Inc. | 156 |
12 |
| Knauf Gips KG | 641 |
10 |
| Konoshima Chemical Co., Ltd. | 66 |
9 |
| Triton Mgo Products, LLC | 21 |
9 |
| BioMason, Inc. | 62 |
8 |
| Ecocem Materials Ltd. | 50 |
8 |
| Amrize Technology Switzerland LLC | 717 |
8 |
| Denka Company Limited | 2711 |
7 |
| King Fahd University of Petroleum and Minerals | 1563 |
7 |
| Saudi Arabian Oil Company | 14161 |
7 |
| Tokuyama Corporation | 1472 |
7 |
| United States Gypsum Company | 915 |
7 |
| Centre National de La Recherche Scientifique | 11010 |
6 |
| GCP Applied Technologies Inc. | 473 |
6 |
| Graymont Western Canada Inc. | 54 |
6 |
| LG Hausys, Ltd. | 811 |
6 |
| Other owners | 415 |