- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 24/20 - Sulfonated aromatic compounds
Patent holdings for IPC class C04B 24/20
Total number of patents in this class: 57
10-year publication summary
|
4
|
4
|
4
|
6
|
3
|
4
|
4
|
8
|
6
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20908 |
4 |
| GCP Applied Technologies Inc. | 468 |
3 |
| Nippon Paper Industries Co., Ltd. | 830 |
3 |
| Rohm and Haas Company | 2877 |
2 |
| Dow Global Technologies LLC | 10349 |
2 |
| King Fahd University of Petroleum and Minerals | 1208 |
2 |
| Materia, Inc. | 73 |
2 |
| Cemex Innovation Holding AG | 21 |
2 |
| Gansu Road & Bridge Construction Group | 2 |
2 |
| Gansu Zhitong Technology Engineering Detection Consulting Co., Ltd. | 2 |
2 |
| Schlumberger Technology Corporation | 10745 |
1 |
| BASF SE | 20915 |
1 |
| Kao Corporation | 4964 |
1 |
| Asian Paints Ltd. | 30 |
1 |
| Cementos Argos S.A. | 35 |
1 |
| City University of Hong Kong | 202 |
1 |
| Construction Research & Technology GmbH | 639 |
1 |
| Hohai University | 211 |
1 |
| Holcim Technology Ltd. | 989 |
1 |
| The Hong Kong Polytechnic University | 471 |
1 |
| Other owners | 23 |