- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 103/40 - Surface-active agents Dispersants
Patent holdings for IPC class C04B 103/40
Total number of patents in this class: 388
10-year publication summary
|
16
|
33
|
59
|
47
|
38
|
23
|
22
|
22
|
32
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 12858 |
44 |
| Sika Technology AG | 2845 |
39 |
| Halliburton Energy Services, Inc. | 20749 |
26 |
| Kao Corporation | 4943 |
20 |
| Construction Research & Technology GmbH | 648 |
19 |
| BASF SE | 20777 |
14 |
| Nippon Shokubai Co., Ltd. | 1505 |
14 |
| Toho Chemical Industry Co., Ltd. | 32 |
8 |
| United States Gypsum Company | 919 |
8 |
| Centre National de La Recherche Scientifique | 10321 |
5 |
| Nippon Paper Industries Co., Ltd. | 823 |
5 |
| Sobute New Materials Co., Ltd. | 37 |
5 |
| Gold Bond Building Products, LLC | 192 |
5 |
| Schlumberger Technology Corporation | 10627 |
4 |
| Chryso | 128 |
4 |
| Yoshino Gypsum Co., Ltd. | 250 |
4 |
| Massachusetts Institute of Technology | 10013 |
3 |
| Dow Global Technologies LLC | 10354 |
3 |
| United Arab Emirates University | 307 |
3 |
| Universite de Bordeaux | 851 |
3 |
| Other owners | 152 |