- 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: 414
10-year publication summary
|
16
|
33
|
59
|
47
|
38
|
23
|
25
|
26
|
35
|
32
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13656 |
44 |
| Sika Technology AG | 2908 |
41 |
| Halliburton Energy Services, Inc. | 21078 |
26 |
| Construction Research & Technology GmbH | 635 |
21 |
| Kao Corporation | 5002 |
20 |
| BASF SE | 21087 |
15 |
| Nippon Shokubai Co., Ltd. | 1508 |
13 |
| Toho Chemical Industry Co., Ltd. | 31 |
8 |
| United States Gypsum Company | 905 |
8 |
| Sobute New Materials Co., Ltd. | 37 |
6 |
| Gold Bond Building Products, LLC | 207 |
6 |
| Schlumberger Technology Corporation | 11054 |
5 |
| Centre National de La Recherche Scientifique | 10693 |
5 |
| Nippon Paper Industries Co., Ltd. | 833 |
5 |
| Chryso | 118 |
4 |
| Yoshino Gypsum Co., Ltd. | 253 |
4 |
| Massachusetts Institute of Technology | 10143 |
3 |
| Dow Global Technologies LLC | 10555 |
3 |
| Aramco Services Company | 4095 |
3 |
| United Arab Emirates University | 347 |
3 |
| Other owners | 171 |