- 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: 398
10-year publication summary
|
16
|
33
|
59
|
47
|
38
|
23
|
23
|
23
|
32
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13155 |
44 |
| Sika Technology AG | 2867 |
41 |
| Halliburton Energy Services, Inc. | 20891 |
26 |
| Kao Corporation | 4964 |
20 |
| Construction Research & Technology GmbH | 641 |
19 |
| BASF SE | 20933 |
14 |
| Nippon Shokubai Co., Ltd. | 1507 |
14 |
| Toho Chemical Industry Co., Ltd. | 31 |
8 |
| United States Gypsum Company | 898 |
8 |
| Centre National de La Recherche Scientifique | 10418 |
5 |
| Nippon Paper Industries Co., Ltd. | 832 |
5 |
| Sobute New Materials Co., Ltd. | 37 |
5 |
| Gold Bond Building Products, LLC | 195 |
5 |
| Schlumberger Technology Corporation | 10717 |
4 |
| Chryso | 126 |
4 |
| Yoshino Gypsum Co., Ltd. | 250 |
4 |
| Massachusetts Institute of Technology | 10057 |
3 |
| Dow Global Technologies LLC | 10363 |
3 |
| United Arab Emirates University | 315 |
3 |
| Universite de Bordeaux | 860 |
3 |
| Other owners | 160 |