- 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: 216
10-year publication summary
|
13
|
8
|
27
|
12
|
14
|
18
|
26
|
19
|
24
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21292 |
15 |
| Saudi Arabian Oil Company | 14369 |
14 |
| Amrize Technology Switzerland LLC | 721 |
6 |
| Baker Hughes Oilfield Operations, LLC | 2555 |
5 |
| Holcim Technology Ltd. | 487 |
4 |
| Sika Technology AG | 3026 |
4 |
| U.S. Concrete, Inc. | 14 |
4 |
| Gold Bond Building Products, LLC | 190 |
4 |
| Schlumberger Canada Limited | 7610 |
3 |
| The Regents of the University of California | 20902 |
3 |
| BioMason, Inc. | 63 |
3 |
| The Catholic University of America | 99 |
3 |
| Construction Research & Technology GmbH | 599 |
3 |
| Denka Company Limited | 2759 |
3 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 572 |
3 |
| GCP Applied Technologies Inc. | 472 |
3 |
| The Penn State Research Foundation | 1636 |
3 |
| Solidia Technologies, Inc. | 78 |
3 |
| Yoshino Gypsum Co., Ltd. | 268 |
3 |
| Carbicrete Inc. | 74 |
3 |
| Other owners | 124 |