- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment of natural stone
- C04B 111/40 - Porous or lightweight materials
Patent holdings for IPC class C04B 111/40
Total number of patents in this class: 174
10-year publication summary
15
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13
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21
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24
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28
|
13
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17
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11
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15
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3
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |