- 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: 612
10-year publication summary
|
35
|
44
|
47
|
52
|
45
|
58
|
60
|
82
|
79
|
30
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sika Technology AG | 2963 |
25 |
| Hilti Aktiengesellschaft | 3625 |
22 |
| Omya International AG | 778 |
21 |
| Arelac, Inc. | 113 |
19 |
| LATICRETE International, Inc. | 153 |
11 |
| Konoshima Chemical Co., Ltd. | 65 |
9 |
| Triton Mgo Products, LLC | 21 |
9 |
| Knauf Gips KG | 635 |
8 |
| Ecocem Materials Ltd. | 49 |
8 |
| Amrize Technology Switzerland LLC | 715 |
8 |
| BioMason, Inc. | 61 |
7 |
| Denka Company Limited | 2710 |
7 |
| Saudi Arabian Oil Company | 13956 |
7 |
| Tokuyama Corporation | 1464 |
7 |
| United States Gypsum Company | 902 |
7 |
| GCP Applied Technologies Inc. | 473 |
6 |
| King Fahd University of Petroleum and Minerals | 1524 |
6 |
| LG Hausys, Ltd. | 814 |
6 |
| 3m Innovative Properties Company | 17491 |
5 |
| Graymont Western Canada Inc. | 52 |
5 |
| Other owners | 409 |