- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 28/08 - Slag cements
Patent holdings for IPC class C04B 28/08
Total number of patents in this class: 682
10-year publication summary
|
36
|
30
|
56
|
36
|
53
|
46
|
48
|
61
|
72
|
43
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sika Technology AG | 2873 |
50 |
| Saudi Arabian Oil Company | 13316 |
38 |
| Ecocem Materials Ltd. | 42 |
25 |
| Construction Research & Technology GmbH | 641 |
23 |
| Halliburton Energy Services, Inc. | 20937 |
21 |
| Carbicrete Inc. | 67 |
20 |
| Holcim Technology Ltd. | 779 |
19 |
| Saint-Gobain Weber | 172 |
11 |
| Chryso | 116 |
9 |
| Institut National des Sciences Appliquees de Toulouse | 118 |
9 |
| École Normale Superieure Paris-saclay | 60 |
9 |
| BASF SE | 20961 |
8 |
| HeidelbergCement AG | 79 |
8 |
| Saint-Gobain Weber France | 59 |
8 |
| Centre National de La Recherche Scientifique | 10498 |
7 |
| Geopolymer Solutions, LLC | 16 |
7 |
| JFE Steel Corporation | 6892 |
7 |
| Hsustainability GmbH | 39 |
7 |
| CarbonCure Technologies Inc. | 87 |
6 |
| En-Tech Corporation | 13 |
6 |
| Other owners | 384 |