Patent · US Active

Method for the hydrophobic impregnation of fired ceramic molded bodies

US10882960B2 · kind B2 · utility

0Cited by

5References

13Claims

0Family size

Assignee

Wacker Chemie AG · DE

Inventors

Hartmut Ackermann · Burghausen, DE
Rudolf Hager · Altötting, DE

Key dates

Filing date	Nov 10, 2015
Grant date	Jan 5, 2021
Priority date	—
Expiry date	Sep 13, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC04B2111/00586
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Fired clay moldings are hydrophobicized by applying a long chain alkyl-substituted alkoxysilane or hydrolysate thereof having up to 5 silicon atoms, and an alkoxy-functional silicone resin. The moldings, which may be roof tiles, are hydrophobicized to a significant depth, without discoloration.

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