Patent · US Expired

Process for treating architectural material

US6919104B2 · kind B2 · utility

6Cited by
0References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 25, 2002
Grant dateJul 19, 2005
Priority date
Expiry dateJan 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.