- 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 103/40 - Surface-active agents; Dispersants
Patent holdings for IPC class C04B 103/40
Total number of patents in this class: 363
10-year publication summary
|
16
|
33
|
59
|
47
|
38
|
23
|
19
|
19
|
29
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 12446 |
42 |
| Sika Technology AG | 2851 |
37 |
| Halliburton Energy Services, Inc. | 20438 |
25 |
| Kao Corporation | 4916 |
20 |
| Construction Research & Technology GmbH | 650 |
17 |
| BASF SE | 20432 |
14 |
| Nippon Shokubai Co., Ltd. | 1513 |
14 |
| Toho Chemical Industry Co., Ltd. | 33 |
8 |
| United States Gypsum Company | 1002 |
8 |
| Nippon Paper Industries Co., Ltd. | 812 |
5 |
| Sobute New Materials Co., Ltd. | 37 |
5 |
| Chryso | 127 |
4 |
| Yoshino Gypsum Co., Ltd. | 238 |
4 |
| Gold Bond Building Products, LLC | 181 |
4 |
| Schlumberger Technology Corporation | 10263 |
3 |
| Centre National de La Recherche Scientifique | 10102 |
3 |
| Massachusetts Institute of Technology | 9913 |
3 |
| United Arab Emirates University | 287 |
3 |
| Universite de Bordeaux | 824 |
3 |
| Wacker Chemie AG | 2106 |
3 |
| Other owners | 138 |