- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 22/14 - Acids or salts thereof containing sulfur in the anion, e.g. sulfides
Patent holdings for IPC class C04B 22/14
Total number of patents in this class: 473
10-year publication summary
|
23
|
27
|
28
|
28
|
28
|
52
|
59
|
46
|
50
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denka Company Limited | 2703 |
75 |
| Sika Technology AG | 2958 |
23 |
| Halliburton Energy Services, Inc. | 21242 |
18 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 592 |
17 |
| Hilti Aktiengesellschaft | 3616 |
14 |
| Construction Research & Technology GmbH | 615 |
10 |
| United States Gypsum Company | 907 |
10 |
| BASF SE | 21151 |
6 |
| Knauf Gips KG | 634 |
6 |
| Amrize Technology Switzerland LLC | 716 |
6 |
| Kao Corporation | 5041 |
5 |
| Taiheiyo Cement Corporation | 240 |
5 |
| Ecocem Materials Ltd. | 49 |
5 |
| BASF Construction Solutions GmbH | 13 |
4 |
| CertainTeed Gypsum, Inc. | 218 |
4 |
| GCP Applied Technologies Inc. | 473 |
4 |
| Mitsubishi Materials Corporation | 2465 |
4 |
| Obayashi Corporation | 82 |
4 |
| Saudi Arabian Oil Company | 13949 |
4 |
| Gold Bond Building Products, LLC | 196 |
4 |
| Other owners | 245 |