Process for treating architectural material
US6919104B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2002 |
| Grant date | Jul 19, 2005 |
| Priority date | — |
| Expiry date | Jan 25, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/4935
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The subject of the invention is a process for treating a “permeable” architectural material by impregnation, comprising the spraying onto the architectural material to be treated of one or more liquid-phase dispersions of at least one type of photocatalytic compounds based on metal oxide or sulphide and of at least one type of compound for promoting the adhesion of the said photocatalytic compounds to the said architectural material.The invention also relates to the liquid dispersions used and the architectural materials thus treated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.