- 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 103/46 - Water-loss reducers, hygroscopic or hydrophilic agents
Patent holdings for IPC class C04B 103/46
Total number of patents in this class: 117
10-year publication summary
4
|
8
|
11
|
31
|
17
|
19
|
7
|
5
|
5
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Saudi Arabian Oil Company | 11322 |
36 |
Halliburton Energy Services, Inc. | 20165 |
22 |
ENERGY SOLUTIONS (US) LLC, a Delaware limited liability company | 211 |
6 |
Dow Global Technologies LLC | 10147 |
4 |
BASF SE | 19740 |
2 |
Rohm and Haas Company | 2805 |
2 |
Construction Research & Technology GmbH | 640 |
2 |
Hexion Inc. | 207 |
2 |
King Fahd University of Petroleum and Minerals | 779 |
2 |
Kuraray Co., Ltd. | 3392 |
2 |
Parexgroup SA | 40 |
2 |
Imertech SAS | 224 |
2 |
Schlumberger Technology Corporation | 9690 |
1 |
Panasonic Corporation | 20786 |
1 |
Beijing Junlun Runzhong Science & Technology Co., Limited | 13 |
1 |
Board of Supervisors of Louisiana State University and Agricultural and Mechanical College | 786 |
1 |
China National Petroleum Corporation | 245 |
1 |
Clariant International Ltd. | 978 |
1 |
Institut Francais des Sciences et Technologies des Transports, de L'amenagement et des Reseaux | 58 |
1 |
International Paper Company | 857 |
1 |
Other owners | 25 |