- 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: 438
10-year publication summary
|
10
|
23
|
27
|
28
|
28
|
28
|
51
|
59
|
45
|
28
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denka Company Limited | 2566 |
66 |
| Sika Technology AG | 2858 |
23 |
| Halliburton Energy Services, Inc. | 20879 |
18 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 628 |
18 |
| Hilti Aktiengesellschaft | 3496 |
13 |
| Construction Research & Technology GmbH | 641 |
10 |
| United States Gypsum Company | 902 |
10 |
| Holcim Technology Ltd. | 991 |
7 |
| BASF SE | 20926 |
6 |
| Taiheiyo Cement Corporation | 236 |
6 |
| Kao Corporation | 4964 |
5 |
| Knauf Gips KG | 602 |
5 |
| BASF Construction Solutions GmbH | 13 |
4 |
| CertainTeed Gypsum, Inc. | 206 |
4 |
| Mitsubishi Materials Corporation | 2442 |
4 |
| Obayashi Corporation | 72 |
4 |
| Saudi Arabian Oil Company | 13091 |
4 |
| Ecocem Materials Ltd. | 41 |
4 |
| Gold Bond Building Products, LLC | 195 |
4 |
| Hsustainability GmbH | 39 |
4 |
| Other owners | 219 |