- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 24/38 - Polysaccharides or derivatives thereof
Patent holdings for IPC class C04B 24/38
Total number of patents in this class: 523
10-year publication summary
|
34
|
45
|
44
|
45
|
48
|
37
|
36
|
45
|
50
|
28
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20749 |
36 |
| United States Gypsum Company | 919 |
33 |
| Dow Global Technologies LLC | 10354 |
30 |
| Shin-Etsu Chemical Co., Ltd. | 5598 |
11 |
| Gold Bond Building Products, LLC | 192 |
11 |
| Construction Research & Technology GmbH | 648 |
10 |
| Saint-Gobain Placo SAS | 151 |
10 |
| Sika Technology AG | 2845 |
8 |
| Yoshino Gypsum Co., Ltd. | 250 |
8 |
| Rohm and Haas Company | 2906 |
7 |
| Cellucomp Limited | 35 |
7 |
| Lotte Fine Chemical Co., Ltd. | 102 |
7 |
| Schlumberger Technology Corporation | 10627 |
6 |
| Holcim Technology Ltd. | 974 |
6 |
| Saudi Arabian Oil Company | 12858 |
6 |
| Wacker Chemie AG | 2102 |
6 |
| BASF SE | 20777 |
5 |
| CertainTeed Gypsum, Inc. | 200 |
5 |
| Fiberlean Technologies Limited | 114 |
5 |
| Knauf Gips KG | 584 |
5 |
| Other owners | 301 |