Water repellant gypsum compositions
US7294195B2 · kind B2 · utility
5Cited by
11References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 8, 2005 |
| Grant date | Nov 13, 2007 |
| Priority date | — |
| Expiry date | Jun 3, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2111/0062
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
In at least one embodiment, the present invention relates to a gypsum composition suitable for use in the manufacture of construction materials comprising a) gypsum, b) water, and c) a water repellancy composition comprising a hydroxy-based cellulose and a siliconate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.