- 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: 31
10-year publication summary
|
3
|
3
|
1
|
2
|
4
|
4
|
1
|
2
|
5
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 14161 |
3 |
| Blue Nose Technologies LLC | 4 |
3 |
| Keiwa Inc. | 202 |
2 |
| King Fahd University of Petroleum and Minerals | 1563 |
2 |
| Sika Technology AG | 2995 |
2 |
| Magneco / Metrel, Inc. | 44 |
2 |
| Halliburton Energy Services, Inc. | 21306 |
1 |
| Aramco Services Company | 4182 |
1 |
| Asahi Kasei Chemicals Corporation | 558 |
1 |
| China National Petroleum Corporation | 632 |
1 |
| Geopolymer Solutions, LLC | 16 |
1 |
| Hüttenes-Albertus Chemische Werke GmbH | 149 |
1 |
| Mintek | 47 |
1 |
| Obayashi Corporation | 85 |
1 |
| Reliance Industries Limited | 460 |
1 |
| Solmax International Inc. | 21 |
1 |
| Tokyo Metropolitan Sewerage Service Corporation | 19 |
1 |
| W.R. Meadows, Inc. | 93 |
1 |
| Nippon Hume Corporation | 9 |
1 |
| Imertech SAS | 244 |
1 |
| Other owners | 3 |