- 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: 300
10-year publication summary
|
16
|
15
|
16
|
23
|
19
|
17
|
17
|
19
|
30
|
27
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denka Company Limited | 2089 |
50 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 696 |
28 |
| Yara International ASA | 705 |
14 |
| Halliburton Energy Services, Inc. | 20079 |
10 |
| Chryso | 97 |
7 |
| Solidia Technologies, Inc. | 110 |
7 |
| Construction Research & Technology GmbH | 678 |
6 |
| Holcim Technology Ltd. | 754 |
5 |
| Saint-Gobain Placo | 161 |
5 |
| U.S. Concrete, Inc. | 15 |
5 |
| Geopolymer Solutions, LLC | 16 |
4 |
| Lafarge | 139 |
4 |
| Mitsubishi Materials Corporation | 2382 |
4 |
| Sika Technology AG | 2532 |
4 |
| Tokuyama Corporation | 1224 |
4 |
| The Regents of the University of California | 18722 |
3 |
| Huris Co., Ltd. | 3 |
3 |
| Obayashi Corporation | 45 |
3 |
| Sumitomo Osaka Cement Co., Ltd. | 779 |
3 |
| Taiheiyo Cement Corporation | 237 |
3 |
| Other owners | 128 |