- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 28/18 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mixtures of the silica-lime type
Patent holdings for IPC class C04B 28/18
Total number of patents in this class: 427
10-year publication summary
|
32
|
48
|
27
|
38
|
34
|
33
|
29
|
33
|
25
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20937 |
57 |
| Solidia Technologies, Inc. | 89 |
28 |
| Carbicrete Inc. | 67 |
18 |
| HeidelbergCement AG | 79 |
8 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3992 |
8 |
| United States Gypsum Company | 909 |
8 |
| Schlumberger Technology Corporation | 10848 |
7 |
| Construction Research & Technology GmbH | 641 |
7 |
| Graymont Western Canada Inc. | 44 |
7 |
| Holcim Technology Ltd. | 779 |
7 |
| Sublime Systems, Inc. | 28 |
7 |
| BASF SE | 20961 |
6 |
| Lafarge | 128 |
5 |
| Saudi Arabian Oil Company | 13316 |
5 |
| Septodont OU Septodont SAS OU Specialites Septodont | 50 |
5 |
| Asahi Kasei Construction Materials Corporation | 62 |
4 |
| Bauhaus-Universitat Weimar | 19 |
4 |
| Greencraft LLC | 31 |
4 |
| Rutgers, The State University of New Jersey | 1898 |
4 |
| University of Virginia Patent Foundation | 1579 |
4 |
| Other owners | 224 |