- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 22/08 - Acids or salts thereof
Patent holdings for IPC class C04B 22/08
Total number of patents in this class: 346
10-year publication summary
|
12
|
20
|
17
|
17
|
16
|
18
|
29
|
26
|
26
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denka Company Limited | 2600 |
60 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 625 |
24 |
| Yara International ASA | 861 |
14 |
| Halliburton Energy Services, Inc. | 20944 |
10 |
| Chryso | 116 |
9 |
| Tokuyama Corporation | 1405 |
8 |
| Sika Technology AG | 2875 |
7 |
| Construction Research & Technology GmbH | 641 |
6 |
| Solidia Technologies, Inc. | 89 |
6 |
| Saint-Gobain Placo | 229 |
5 |
| Taiheiyo Cement Corporation | 238 |
5 |
| U.S. Concrete, Inc. | 14 |
5 |
| Geopolymer Solutions, LLC | 16 |
4 |
| Mitsubishi Materials Corporation | 2454 |
4 |
| The Regents of the University of California | 20059 |
3 |
| China National Petroleum Corporation | 456 |
3 |
| Holcim Technology Ltd. | 778 |
3 |
| Huris Co., Ltd. | 3 |
3 |
| Lafarge | 128 |
3 |
| Obayashi Corporation | 74 |
3 |
| Other owners | 161 |