- 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 22/12 - 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: 164
10-year publication summary
2
|
3
|
13
|
8
|
27
|
12
|
13
|
18
|
25
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Halliburton Energy Services, Inc. | 20165 |
14 |
Saudi Arabian Oil Company | 11322 |
13 |
Holcim Technology Ltd. | 868 |
5 |
Solidia Technologies, Inc. | 113 |
4 |
U.S. Concrete, Inc. | 14 |
4 |
The Regents of the University of California | 18943 |
3 |
The Catholic University of America | 96 |
3 |
Construction Research & Technology GmbH | 640 |
3 |
Denka Company Limited | 2189 |
3 |
Denki Kagaku Kogyo Kabushiki Kaisha | 680 |
3 |
Yoshino Gypsum Co., Ltd. | 224 |
3 |
Schlumberger Canada Limited | 6913 |
2 |
Boral IP Holdings (Australia) PTY Limited | 33 |
2 |
Institute of Geology and Geophysics, Chinese Academy of Sciences | 276 |
2 |
The Penn State Research Foundation | 1423 |
2 |
Sika Technology AG | 2650 |
2 |
Yara International ASA | 753 |
2 |
ESG Industry Co., Ltd. | 9 |
2 |
Mgo Systems Ltd. | 11 |
2 |
Venator Germany GmbH | 43 |
2 |
Other owners | 88 |