- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 24/32 - Polyethers, e.g. alkylphenol polyglycolether
Patent holdings for IPC class C04B 24/32
Total number of patents in this class: 275
10-year publication summary
|
24
|
21
|
24
|
25
|
19
|
21
|
11
|
11
|
20
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kao Corporation | 5027 |
20 |
| Construction Research & Technology GmbH | 627 |
16 |
| Takemoto Yushi Kabushiki Kaisha | 172 |
13 |
| Nippon Shokubai Co., Ltd. | 1518 |
12 |
| Sika Technology AG | 2931 |
11 |
| BASF SE | 21134 |
10 |
| GCP Applied Technologies Inc. | 469 |
9 |
| Saudi Arabian Oil Company | 13857 |
9 |
| Denka Company Limited | 2678 |
7 |
| Toho Chemical Industry Co., Ltd. | 30 |
7 |
| Halliburton Energy Services, Inc. | 21098 |
6 |
| Amrize Technology Switzerland LLC | 679 |
6 |
| United States Gypsum Company | 900 |
5 |
| Gold Bond Building Products, LLC | 202 |
5 |
| Wacker Chemie AG | 2101 |
4 |
| Starcin Holding France | 76 |
4 |
| Shin-Etsu Chemical Co., Ltd. | 5861 |
3 |
| Chryso | 62 |
3 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 610 |
3 |
| Sobute New Materials Co., Ltd. | 39 |
3 |
| Other owners | 119 |