- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 111/23 - Acid resistance
Patent holdings for IPC class C04B 111/23
Total number of patents in this class: 29
10-year publication summary
|
3
|
3
|
1
|
2
|
4
|
4
|
1
|
2
|
5
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13943 |
3 |
| Blue Nose Technologies LLC | 4 |
3 |
| Keiwa Inc. | 194 |
2 |
| King Fahd University of Petroleum and Minerals | 1477 |
2 |
| Sika Technology AG | 2947 |
2 |
| Magneco / Metrel, Inc. | 42 |
2 |
| Halliburton Energy Services, Inc. | 21169 |
1 |
| Aramco Services Company | 4162 |
1 |
| Asahi Kasei Chemicals Corporation | 573 |
1 |
| Geopolymer Solutions, LLC | 16 |
1 |
| Hüttenes-Albertus Chemische Werke GmbH | 144 |
1 |
| Mintek | 47 |
1 |
| Obayashi Corporation | 82 |
1 |
| Reliance Industries Limited | 453 |
1 |
| Solmax International Inc. | 21 |
1 |
| Tokyo Metropolitan Sewerage Service Corporation | 19 |
1 |
| W.R. Meadows, Inc. | 90 |
1 |
| Nippon Hume Corporation | 9 |
1 |
| Imertech SAS | 238 |
1 |
| King Fahd University of Petroleum And Minerals Research Institute | 4 |
1 |
| Other owners | 1 |