Patent · US Expired

Rendering building materials hydrophobic

US4076868A · kind A · utility

14Cited by

6References

15Claims

0Family size

Assignee

Wacker Chemie AG · DE

Inventors

Michael Roth
Erhard Bosch

Key dates

Filing date	Apr 29, 1976
Grant date	Feb 28, 1978
Priority date	—
Expiry date	Apr 29, 1996

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC04B41/64
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A process for simultaneously cleaning and rendering building materials hydrophobic which comprises applying to the surface of the building material a solution of a hydrophobic agent having admixed therewith a filler having a surface area of at least 50 mg.sup.2 /g and after evaporation of the solvent, removing the filler residue.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.