Use of an epoxy-and/or carboxy-functionalised polyorganosiloxane, as active material in a liquid silicone composition for water repellency treatment of building materials
US7026013B2 · kind B2 · utility
6Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2001 |
| Grant date | Apr 11, 2006 |
| Priority date | — |
| Expiry date | Dec 27, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B41/4961
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention relates to water-repellant liquid silicone compositions intended for impregnating porous building materials, such as mineral or (ligno)cellulosic materials And comprising epoxy functionalized polyorganosiloxanes as main active material in these water-repellant liquid silicone compositions. The invention also relates to a process for making said porous building materials, water-repellant with the aid of the above said liquid silicone composition, and a process for preparing this composition is also targeted by the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.