- 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: 330
10-year publication summary
13
|
16
|
33
|
59
|
45
|
37
|
21
|
16
|
18
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Saudi Arabian Oil Company | 11322 |
42 |
Sika Technology AG | 2650 |
28 |
Halliburton Energy Services, Inc. | 20165 |
25 |
Kao Corporation | 4843 |
17 |
Nippon Shokubai Co., Ltd. | 1487 |
15 |
Construction Research & Technology GmbH | 640 |
14 |
BASF SE | 19740 |
11 |
Toho Chemical Industry Co., Ltd. | 41 |
9 |
United States Gypsum Company | 1019 |
8 |
Nippon Paper Industries Co., Ltd. | 782 |
5 |
Sobute New Materials Co., Ltd. | 35 |
5 |
Yoshino Gypsum Co., Ltd. | 224 |
4 |
Centre National de La Recherche Scientifique | 9632 |
3 |
Massachusetts Institute of Technology | 9795 |
3 |
Chryso | 112 |
3 |
United Arab Emirates University | 258 |
3 |
Universite de Bordeaux | 778 |
3 |
Wacker Chemie AG | 2091 |
3 |
ENERGY SOLUTIONS (US) LLC, a Delaware limited liability company | 211 |
3 |
Schlumberger Technology Corporation | 9690 |
2 |
Other owners | 124 |