- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 24/30 - Condensation polymers of aldehydes or ketones
Patent holdings for IPC class C04B 24/30
Total number of patents in this class: 92
10-year publication summary
5
|
8
|
6
|
6
|
3
|
3
|
2
|
4
|
7
|
2
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Construction Research & Technology GmbH | 641 |
13 |
Denka Company Limited | 2600 |
6 |
Denki Kagaku Kogyo Kabushiki Kaisha | 625 |
5 |
Sika Technology AG | 2875 |
5 |
Saudi Arabian Oil Company | 13349 |
4 |
Toho Chemical Industry Co., Ltd. | 31 |
4 |
BASF SE | 20979 |
3 |
Schlumberger Technology Corporation | 10868 |
2 |
Kao Corporation | 4979 |
2 |
BASF Construction Polymers GmbH | 21 |
2 |
Holcim Technology Ltd. | 778 |
2 |
Knauf Gips KG | 607 |
2 |
LafargeHolcim Ltd | 21 |
2 |
Obayashi Corporation | 74 |
2 |
The Regents of the University of California | 20059 |
1 |
Hilti Aktiengesellschaft | 3506 |
1 |
Arclin USA, LLC. | 83 |
1 |
Asahi Yukizai Corporation | 133 |
1 |
Chemical Grouting Co., Ltd. | 5 |
1 |
China National Petroleum Corporation | 456 |
1 |
Other owners | 32 |