- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 103/22 - Set retarders
Patent holdings for IPC class C04B 103/22
Total number of patents in this class: 137
10-year publication summary
|
25
|
16
|
15
|
10
|
14
|
10
|
15
|
8
|
14
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21320 |
32 |
| Knauf Gips KG | 642 |
8 |
| United States Gypsum Company | 923 |
6 |
| BASF SE | 21303 |
4 |
| Geopolymer Solutions, LLC | 16 |
4 |
| Lafarge | 120 |
4 |
| Saudi Arabian Oil Company | 14207 |
4 |
| Sika Technology AG | 3002 |
4 |
| Construction Research & Technology GmbH | 602 |
3 |
| GCP Applied Technologies Inc. | 473 |
3 |
| Hilti Aktiengesellschaft | 3662 |
2 |
| Aramco Services Company | 4188 |
2 |
| The Board of Trustees of the University of Alabama | 432 |
2 |
| The Curators of the University of Missouri | 1088 |
2 |
| HeidelbergCement AG | 78 |
2 |
| Kerneos | 30 |
2 |
| Louisiana Tech Research Corporation | 53 |
2 |
| Adaptavate Ltd | 22 |
2 |
| Macrocement Industries Ltd. | 11 |
2 |
| Université Gustave Eiffel | 64 |
2 |
| Other owners | 45 |