- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment 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: 323
10-year publication summary
|
15
|
16
|
23
|
19
|
17
|
17
|
19
|
30
|
28
|
20
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denka Company Limited | 2328 |
54 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 666 |
27 |
| Yara International ASA | 766 |
14 |
| Halliburton Energy Services, Inc. | 20206 |
10 |
| Chryso | 121 |
8 |
| Construction Research & Technology GmbH | 654 |
7 |
| Solidia Technologies, Inc. | 113 |
7 |
| Sika Technology AG | 2784 |
6 |
| Tokuyama Corporation | 1287 |
6 |
| Holcim Technology Ltd. | 892 |
5 |
| Saint-Gobain Placo | 185 |
5 |
| Taiheiyo Cement Corporation | 240 |
5 |
| U.S. Concrete, Inc. | 14 |
5 |
| Geopolymer Solutions, LLC | 16 |
4 |
| Lafarge | 136 |
4 |
| Mitsubishi Materials Corporation | 2382 |
4 |
| The Regents of the University of California | 19150 |
3 |
| Huris Co., Ltd. | 3 |
3 |
| Obayashi Corporation | 56 |
3 |
| Sumitomo Osaka Cement Co., Ltd. | 805 |
3 |
| Other owners | 140 |