- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 22/12 - Acids or salts thereof containing halogen in the anion, e.g. calcium chloride
Patent holdings for IPC class C04B 22/12
Total number of patents in this class: 191
10-year publication summary
|
3
|
13
|
8
|
27
|
12
|
13
|
18
|
26
|
18
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20891 |
15 |
| Saudi Arabian Oil Company | 13155 |
13 |
| Holcim Technology Ltd. | 989 |
8 |
| U.S. Concrete, Inc. | 14 |
4 |
| Gold Bond Building Products, LLC | 195 |
4 |
| Schlumberger Canada Limited | 7296 |
3 |
| The Regents of the University of California | 19918 |
3 |
| The Catholic University of America | 97 |
3 |
| Construction Research & Technology GmbH | 641 |
3 |
| Denka Company Limited | 2573 |
3 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 627 |
3 |
| Sika Technology AG | 2867 |
3 |
| Yoshino Gypsum Co., Ltd. | 250 |
3 |
| Baker Hughes Oilfield Operations, LLC | 2301 |
3 |
| Carbicrete Inc. | 66 |
3 |
| Schlumberger Technology Corporation | 10717 |
2 |
| Schlumberger Technology B.v. | 5168 |
2 |
| Boral IP Holdings (Australia) PTY Limited | 33 |
2 |
| GCP Applied Technologies Inc. | 466 |
2 |
| Institute of Geology and Geophysics, Chinese Academy of Sciences | 324 |
2 |
| Other owners | 107 |