- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/047 - Refractories from grain sized mixtures containing chromium oxide or chrome ore
Patent holdings for IPC class C04B 35/047
Total number of patents in this class: 24
10-year publication summary
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1
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3
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2
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1
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2
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0
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0
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1
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1
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Refractory Intellectual Property GmbH & Co. KG | 568 |
8 |
| Refratechnik Holding GmbH | 145 |
4 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 497 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 6120 |
1 |
| Board of Regents, The University of Texas System | 6141 |
1 |
| Calderys France | 59 |
1 |
| JFE Steel Corporation | 7589 |
1 |
| Krosakiharima Corporation | 300 |
1 |
| Lanxess Deutschland GmbH | 1142 |
1 |
| Lsis Co., Ltd. | 815 |
1 |
| REFRACTORY INTELLECTUAL PROPERTY GmbH & Co. | 9 |
1 |
| Research & Business Foundation Sungkyunkwan University | 2187 |
1 |
| Saint-Gobain Ceramics & Plastics, Inc. | 801 |
1 |
| Other owners | 0 |