Plasterboard
US10822275B2 · kind B2 · utility
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20Claims
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Assignee
Inventors
Key dates
| Filing date | Mar 6, 2020 |
| Grant date | Nov 3, 2020 |
| Priority date | — |
| Expiry date | Mar 6, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04C2/043
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A plasterboard includes a first layer of plaster and a second layer of plaster, wherein the first layer includes activated carbon; the second layer includes a scavenging agent, wherein a content of scavenging agent in the first layer, expressed as percentage by weight of dry matter, is less than a content of scavenging agent in the second layer, and wherein the second layer is free of activated carbon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.