Composition for hydrophobing gypsum and methods for the preparation and use thereof
US6106607A · kind A · utility
25Cited by
8References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 1999 |
| Grant date | Aug 22, 2000 |
| Priority date | — |
| Expiry date | Sep 10, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2111/27
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A water repellent composition for gypsum containing masonry materials is disclosed. The composition contains as organohydrogensiloxane and polyvinyl alcohol, the combination of which provides unexpectedly high water repellency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.