- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 41/72 - After-treatment of mortars, concrete, artificial stone or ceramicsTreatment of natural stone of only artificial stone involving the removal of part of the materials of the treated articles, e.g. etching
Patent holdings for IPC class C04B 41/72
Total number of patents in this class: 52
10-year publication summary
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4
|
2
|
4
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7
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7
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4
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2
|
3
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6
|
2
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GCP Applied Technologies Inc. | 472 |
5 |
| Chryso | 51 |
4 |
| Dorf Ketal Chemicals FZE | 196 |
4 |
| Protocol Environmental Solutions Inc. | 13 |
3 |
| Sika Technology AG | 3015 |
3 |
| Eternit N.V. | 39 |
2 |
| Global Polishing Systems LLC | 10 |
2 |
| LIXIL Corporation | 778 |
2 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2445 |
2 |
| Shaw & Sons, Inc. | 35 |
2 |
| LX Hausys, Ltd. | 197 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11127 |
1 |
| Becor AS | 1 |
1 |
| The Foundation for the Promotion of Industrial Science | 42 |
1 |
| JNC Corporation | 1547 |
1 |
| Komatsu Seiren Co., Ltd. | 32 |
1 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4122 |
1 |
| National University Corporation Yokohama National University | 345 |
1 |
| Norwegian University of Science and Technology (ntnu) | 191 |
1 |
| Toshiba Materials Co., Ltd. | 563 |
1 |
| Other owners | 12 |