Mixtures containing organosilicon compounds and their use for waterproofing and antimicrobial impregnation

US4999249A · kind A · utility

Assignee

• Degussa AG · DE

Inventors

• Ulrich Deschler · Bad Neuenahr-Ahrweiler, DE
• Ulrike Lechner · Munich, DE
• Michael Witzel · Frankfurt, DE

Key dates

• Filing date: Aug 28, 1989
• Grant date: Mar 12, 1991
• Expiry date: Aug 28, 2009

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/4935
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Mixtures containing organosilicon compounds and their use for the waterproofing and antimicrobial impreganation of stone, masonry and concrete. The organosilicon compounds are alkyltrialkoxy silanes and cationic trialkoxy silanes.