- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 103/56 - Opacifiers
Patent holdings for IPC class C04B 103/56
Total number of patents in this class: 39
10-year publication summary
|
3
|
5
|
2
|
4
|
3
|
4
|
3
|
1
|
3
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sebastos Technologies Inc. | 11 |
7 |
| Whirlpool Corporation | 4437 |
4 |
| Halliburton Energy Services, Inc. | 20937 |
3 |
| CertainTeed Gypsum, Inc. | 209 |
2 |
| Saint-Gobain Placo | 229 |
2 |
| U.S. Concrete, Inc. | 14 |
2 |
| Evonik Operations GmbH | 4147 |
2 |
| Schlumberger Technology Corporation | 10848 |
1 |
| Evonik Degussa GmbH | 1494 |
1 |
| Cementos Argos S.A. | 37 |
1 |
| Chryso | 116 |
1 |
| Construction Research & Technology GmbH | 641 |
1 |
| Kolon Global Corporation | 18 |
1 |
| Korea Institute of Civil Engineering and Building Technology | 134 |
1 |
| Nippon Shokubai Co., Ltd. | 1504 |
1 |
| Primekss Rabine North America LLC | 1 |
1 |
| Sika Technology AG | 2873 |
1 |
| Technische Universiteit Eindhoven | 353 |
1 |
| Wacker Chemie AG | 2111 |
1 |
| Pensmore Reinforcement Technologies, LLC | 17 |
1 |
| Other owners | 4 |